Drain treatment product and method of use

• US 5,312,624 A
• Filed: 04/22/1993
• Issued: 05/17/1994
• Est. Priority Date: 09/21/1988
• Status: Expired due to Term

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab, Inc.
• Inventors: Wilson, James, Pedersen, Daniel E., Richter, Francis L.
• Primary Examiner(s): Page, Thurman K.
• Assistant Examiner(s): Harrison, Robert H.
• Application Number:
  US08/051,580
• Time in Patent Office: 390 Days
• Field of Search: 4/222, 4/223, 4/227.1, 4/231, 252/106, 252/134, 252/DIG. 16, 424/405, 424/408, 424/409
• US Class Current: 424/405
• CPC Class Codes: A61L 11/00 Methods specially adapted for refuse disintegrating medical waste B02C19/0075; disposal of medical waste B09B3/00
• CPC Class Codes: A61L 2/18 Liquid substances or solutions comprising solids or dissolved gases
• CPC Class Codes: C09D 5/34 Filling pastes materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12

Abstract

A drain sanitizing article (9) for reducing microbiological activity in drain runoff areas having a housing (10), the housing having an inner wall (16) defining an inner opening (18) in the housing, an outer wall (12), and a bottom wall (14) defining a central cavity (15) in the housing (10), a tear strip (20) for destructibly removing the housing outer wall and a portion of the bottom wall (14), a handle (30) spanning the inner opening (18) of the housing (10) and joined to the inner wall (16) of said housing (10); and a chemical sanitizing agent (40).

Claims

1. A drain sanitizing article for dispensing a chemical sanitizing agent for sanitizing running and standing drainage said drain sanitizing article comprising a housing, said housing having an inner wall, defining an opening in said housing for the passage of drainage over the article into the drain, and a bottom wall, said bottom wall cooperatively connected to said inner wall and forming a cavity in said housing, and a hardened aqueous soluble chemical sanitizing agent contained within the cavity of said housing, said sanitizing agent comprising (a) an effective amount of an antimicrobial sanitizer, and (b) an effective amount of hardener.

2. The article of claim 1 additionally comprising an effective amount of a solubility modifier.

3. The article of claim 1 additionally comprising an effective amount of dye wherein said dye indicates the intended environment of use of the chemical sanitizing agent and the continued presence of the chemical sanitizing agent once installed.

4. The article of claim 1 wherein said chemical sanitizing agent is a hardened pressed tablet.

5. The article of claim 1 wherein said antimicrobial sanitizer comprises an n-alkyl dimethyl benzyl ammonium chloride.

6. The article of claim 5 wherein said n-alkyl dimethyl benzyl ammonium chloride is selected from the group consisting of n-tetradecyl n-alkyl dimethyl benzyl ammonium chloride monohydrate, n-alkyl dimethyl benzyl 1-naphthylmethyl ammonium chloride, and mixtures thereof.

7. The article of claim 1 wherein the antimicrobial sanitizer comprises an organic encapsulated chlorine donating agent selected from the group consisting of trichloro(iso)cyanuric acid, sodium dichloro(sio)cyanurate potassium dichloro(iso)cyanurate, sodium dichloro(sio)cyanuarate dihydrate, and mixtures thereof, said chorine donating agent being present in the concentration of about 5 wt. % to 80 wt. %.

8. The article of claim 1 wherein said antimicrobial sanitizer comprises an inorganic chlorine source selected from the group consisting of LiOCl, Ca(OCl)₂, and mixtures thereof.

9. The article of claim 1 wherein said antimicrobial sanitizer comprises a phenol source selected from the group consisting of o-phenylphenol, 2,4,5-trichlorophenol, 2,4,6-trichlorophenol, 2-chloro-4-phenylphenol, 2,3,4,6-tetrachlorophenol, pentachlorophenol, 4-chloro-2-phenylphenol, 6-chloro-2-phenylphenol, Na-o-phenylphenol, Na-2,4,5-trichlorophenol, Na-pentachlorophenol, and mixtures thereof, said phenol source being present in a concentration of about 5 wt. % to 80 wt. %.

10. The article of claim 1 wherein said antimicrobial sanitizer comprises an aldehyde selected from a group consisting of formaldehyde, glutaraldehyde, and mixtures thereof, said aldehyde being present in the concentration of about 5 wt. % to 80 wt. %.

11. The article of claim 1 where said antimicrobial sanitizer comprises an iodophor selected from the group consisting of iodine-nonionic surfactant complexes, iodine-polyvinyl pyrollidone complexes, iodine-quaternary ammonium chloride complexes, amphoteric-iodine complexes, and mixtures thereof, said iodophor being present at a concentration of about 5 wt. % to 80 wt. %.

12. The article of claim 1 wherein said hardener comprises an alkyl amide selected from the group consisting of lauric diethanolamide, stearic diethanolamide, stearic monoethanolamide, and mixtures thereof, said alkylamides being present at a concentration of from about 20 wt. % to 95 wt. %.

13. The article of claim 1 wherein said hardener comprises a nonionic surfactant selected from the group consisting of nonyl phenol ethoxylates, C_12-14 linear alcohol ethoxylates, ethylene oxide/propylene oxide copolymers, and mixtures thereof, said nonionic surfactants being present at a concentration of from about 20 wt. % to 95 wt. %.

14. The article of claim 13 wherein said hardener additionally comprises a coupling agent, said coupling agent selected from the group consisting of propylene glycol, polyethylene glycol, and mixtures thereof, said coupling agent being present at a concentration of from about 20 wt. % to 95 wt. %.

15. The article of claim 1 wherein said hardener comprises a water soluble starch present at a concentration of from about 20 wt. % to 95 wt. %.

16. The article of claim 1 wherein said hardener comprises urea present at a concentration of from about 20 wt. % to 95 wt. %.

17. The article of claim 1 additionally comprising a solubility modifier.

18. The article of claim 5 wherein said antimicrobial sanitizer comprises an n-alkyl dimethyl benzyl ammonium chloride, the alkyl group comprising 60 wt. % C₁₄, 30 wt. %, 5 wt. % C₁₂, and 5 wt. % C₁₈.

19. The article of claim 1 wherein said antimicrobial sanitizer comprises a quaternary alkyl dimethyl benzyl ammonium chloride present in a concentration ranging from about 30 wt. % to 60 wt. % and a hardener comprising an alkyl mono ethanolamide present in a concentration ranging from about 30 wt. % to 80 wt. %.

20. The drain sanitizing article of claim 1 additionally comprising means for destructibly removing a portion of said housing, said destructible removing means patterned into said housing wherein tearing said destructible removing means affects removal of a portion of said housing thereby exposing said chemical sanitizing agent.

21. The drain sanitizing article of claim 1 wherein said housing additionally comprises a handle cooperatively connected to said housing inner wall and spanning the opening of said housing.

22. The drain sanitizing article of claim 1 wherein said housing additionally comprises a housing outer wall affixed to said housing bottom wall and a handle cooperatively connected to said housing outer wall and spanning the opening of said housing.

23. The drain sanitizing article of claim 1 wherein said housing additionally comprises a handle cooperatively connected to said housing inner wall and spanning the opening of said housing.

24. The drain sanitizing article of claim 1 wherein said housing is of one piece molded construction.

25. The drain sanitizing article of claim 20 wherein said housing, and said removing means are of one piece molded construction.

26. The drain sanitizing article of claims 22 or 23 wherein said housing, and said handle are of one piece molded construction.

27. The drain sanitizing article of claim 26 wherein said housing, removing means, and said handle are of one piece molded construction.

28. The drain sanitizing article of claim 27 wherein said one piece molded housing, removing means and handle comprises a polymeric material selected from the group consisting of polypropylene, polyethylene, and mixtures thereof.

29. An article for dispensing a chemical sanitizing agent for sanitizing running and standing drainage said drain sanitizing article comprising a housing, said housing having an inner wall defining an opening in said housing for the passage of drainage over the article into the drain, an outer wall, and a bottom wall, said bottom wall cooperatively connecting said inner and outer walls and forming an inner cavity in said housing for containing a chemical sanitizing agent, said chemical sanitizing agent contained within said housing inner cavity and comprising (a) an effective amount of an antimicrobial sanitizer, and (b) an effective amount of hardener, said article further comprising means for destructibly removing a portion of said housing, said destructible removing means patterned into said housing wherein tearing said destructible removing means affects removal of a portion of said housing thereby exposing said chemical sanitizing agent.

30. The article of claim 29 additionally comprising an effective amount of a solubility modifier.

31. The article of claim 29 additionally comprising an effective amount of dye wherein said dye indicates the intended environment of use of the chemical sanitizing agent and the continued presence of the chemical sanitizing agent once installed.

32. The article of claim 29 wherein said chemical sanitizing agent is a hardened pressed tablet.

33. The article of claim 29 wherein said antimicrobial sanitizer comprises an n-alkyl dimethyl benzyl ammonium chloride.

34. The article of claim 33 wherein said n-alkyl dimethyl benzyl ammonium chloride is selected from the group consisting of n-tetradecyl n-alkyl dimethyl benzyl ammonium chloride monohydrate, n-alkyl dimethyl benzyl 1-naphthylmethyl ammonium chloride and mixtures thereof.

35. The article of claim 29 wherein the antimicrobial sanitizer comprises an organic encapsulated chlorine denoting agent selected from the group consisting of trichloro(sio)cyanuric acid, sodium dichloro(iso)cyanurate potassium dichloro(iso)cyanurate, sodium dichloro(iso)cyanurate dihydrate, and mixtures thereof, said chorine donating agent being present in the concentration of about 5 wt. % to 80 wt. %.

36. The article of claim 29 wherein said antimicrobial sanitizer comprises an inorganic chlorine source selected from the group consisting of LiOCl, Ca(OCl)₂, and mixtures thereof.

37. The article of claim 29 wherein said antimicrobial sanitizer comprises a phenol source selected from the group consisting of o-phenylphenol, 2,4,5-trichlorophenol, 2,4,6-trichlorophenol, 2-chloro-4-phenylphenol, 2,3,4,6-tetrachlorophenol, pentachlorphenol, 4-chloro-2-phenylphenol, 6-cloro-2-phenylphenol, Na-o-phenylphenol, Na-2,4,5-trichlorophenol, Na-pentachlorophenol, and mixtures thereof, said phenol source being present in a concentration of about 5 wt. % to 80 wt. %.

38. The article of claim 29 wherein said antimicrobial sanitizer comprises an aldehyde selected from a group consisting of formaldehyde, glutaraldehyde, and mixtures thereof, said aldehyde being present in the concentration of about 5 wt. % to 80 wt. %.

39. The article of claim 29 wherein said antimicrobial sanitizer comprises an iodophor selected from the group consisting of iodine-nonionic surfactant complexes, iodine-polyvinyl pyrollidone complexes, iodine-quarternary ammonium chloride complexes, amphoteric-iodine complexes, and mixtures thereof, said iodophor being present at a concentration of about 5 wt. % to 80 wt. %.

40. The article of claim 29 wherein said hardener comprises an alkyl amide selected from the group consisting of lauric diethanolamide, stearic diethanolamide, stearic monoethanolamide, and mixtures thereof, said alkylamides being present at a concentration of from about 20 wt. % to 95 wt. %.

41. The article of claim 29 wherein said hardener comprises a nonionic surfactant selected from the group consisting of nonyl phenol ethoxylates, C_12-14 linear alcohol ethoxylates, ethylene oxide/propylene oxide copolymers, and mixtures thereof, said nonionic surfactants being present at a concentration of from about 20 wt. % to 95 wt. %.

42. The article of claim 41 wherein said hardener additionally comprises a coupling agent, said coupling agent selected from the group consisting of propylene glycol, polyethylene glycol, and mixtures thereof, said coupling agent being present at a concentration of from about 20 wt. % to 95 wt. %.

43. The article of claim 29 wherein said hardener comprises a water soluble starch present at a concentration of from about 20 wt. % to 95 wt. %.

44. The article of claim 29 wherein said hardener comprises urea present at a concentration of from about 20 wt. % to 95 wt. %.

45. The article of claim 29 additionally comprising a solubility modifier.

46. The article of claim 29 wherein said antimicrobial sanitizer comprises an n-alkyl dimethyl benzyl ammonium chloride, the alkyl group comprising 60 wt. % C₁₄, 30 wt. % C₁₆, 5 wt. % C₁₂, and 5 wt. % C₁₈.

47. The article of claim 29 wherein said antimicrobial sanitizer comprises a quaternary alkyl dimethyl benzyl ammonium chloride present in a concentration ranging from about 30 wt. % to 60 wt. % and a hardener comprising an alkyl mono ethanolamide present in a concentration ranging from about 30 wt. % to 80 wt. %.

49. The drain sanitizing article of claim 29 wherein said housing additionally comprises a handle cooperatively connected to said housing inner wall and spanning the opening of said housing.

50. The drain sanitizing article of claim 29 wherein said housing additionally comprises a handle cooperatively connected to said housing outer wall and spanning the opening of said housing.

51. The drain sanitizing article of claim 29 wherein said housing comprises removing means, wherein said housing and said removing means are of one piece molded construction.

52. The drain sanitizing article of claim 29 wherein said housing comprises a polymeric material selected from the group consisting of polypropylene, polyethylene, and mixtures thereof.

48. A drain sanitizing article for dispensing a chemical sanitizing agent for sanitizing running and standing drainage, said sanitizing article comprising a removable housing comprising an inner wall defining a central opening, said inner wall forming a cavity, said article further comprising a hardened aqueous soluble chemical sanitizing agent contained within the cavity of said housing, said sanitizing agent comprising from about 30 wt. % to 60 wt. % of a quaternary alkyl dimethyl benzyl ammonium chloride and about 30 wt. % to 80 wt. % of an alkyl mono ethanolamide.