Cleaning composition, method of making and use thereof

• US 10,704,012 B2
• Filed: 06/12/2018
• Issued: 07/07/2020
• Est. Priority Date: 09/08/2016
• Status: Active Grant

• Current Assignee: DevMar Products, LLC, Innovative Environmental Companies, Morehouse School of Medicine
• Original Assignee: Morehouse School of Medicine
• Inventors: Hawkins, Walter, Reynolds, Sharon W., Lillard, Jr., James W.
• Primary Examiner(s): Sasan, Aradhana
• Application Number:
  US16/005,740
• Publication Number:
  US 20180327697A1
• Time in Patent Office: 756 Days
• Field of Search: None
• CPC Class Codes: A01N 25/26 in coated particulate form
• CPC Class Codes: C11D 11/0088 the liquefied ingredients being sprayed or adsorbed onto solid particles
• CPC Class Codes: C11D 17/0039 Coated compositions or coated components in the compositions, (micro)capsules
• CPC Class Codes: C11D 3/48 Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
• CPC Class Codes: Y02A 50/30 Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

A method for formulating a cleaning composition contains the step of coating a granular absorbent material with a coating agent to produce a coated absorbent material and mixing the coated absorbent material with a sanitation agent, wherein the coated absorbent material absorbs the sanitation agent to form the cleaning composition. The resulting cleaning composition may be used for cleaning up pathogens or hazardous materials. The cleaning composition may also function as a liquefiable dry cleaning powder for public areas in response to bodily fluid incidents. A coating method of a non-toxic bio static film on a high surface area solid is disclosed.

Claims

1. A sanitation method, comprising the steps of:

applying an effective amount of a cleaning composition to a surface in need of sanitation and removing the cleaning composition after a period of time, wherein the composition comprises a granular absorbent material coated with a biocide and a sanitation agent absorbed in said granular absorbent material, wherein the granular absorbent material is not perlite, and wherein the granular absorbent material constitutes 10-50% (w/w) of the cleaning composition.

2. The method of claim 1, wherein the surface in need of sanitation comprises a biohazard spill.

3. The method of claim 2, wherein the biohazard spill is vomit, urine, blood, feces, and/or a chemo therapy drug.

4. The method of claim 1, further comprising the step of:

washing the surface with a liquid or wiping the surface with a wiper after the removal of the cleaning composition.

5. The method of claim 1, wherein the surface in need of sanitation is a surface located within a hotel, a hostel, a hospital or a school.

6. The method of claim 1, wherein the surface in need of sanitation comprises one or more microbial pathogens.

7. The method of claim 1, wherein the granular absorbent material is selected from the group consisting of ceramic minerals, zeolite, activated carbon, fumed silica, processed clays, cellulosic absorbents, fibrous absorbents and combinations thereof.

8. The method of claim 1, wherein the granular absorbent material comprises ceramic minerals.

9. The method of claim 1, wherein the ceramic minerals comprise perlite and/or vermiculite.

10. The method of claim 1, wherein the biocide comprises an agent selected from the group consisting of silanes, siloxanes, aminopropyltrimethoxysilane, quaternary amines, fumed metal hydroxides, solutions of silver, solutions of copper and combinations thereof.

11. The method of claim 1, wherein the biocide forms a surface bonded film on the granular absorbent material.

12. The method of claim 1, wherein the sanitation agent is selected from the group consisting of chlorine bleach solutions, hydrogen peroxide solution, per acetic acid, quaternary amine solutions, alcohol solutions, periodine and combinations thereof.

13. The method of claim 1, wherein the cleaning composition is capable of absorbing liquid at a liquid loading of 25-30% by volume or 200-300% by mass addition.

14. The method of claim 1, wherein the cleaning composition further comprises a carboxymethyl cellulose (CMC)-derived polymer and/or a hierarchically porous carbons (HPC)-derived polymer.

15. The method of claim 1, wherein the granular absorbent material has a surface area per mass ratio up to 10,000 m²/g.

16. The method of claim 1, wherein the granular absorbent material constitutes 25-30% (w/w) of the cleaning composition.

17. The method of claim 1, wherein the granular absorbent material comprises vermiculite.

18. The method of claim 1, wherein the cleaning composition further comprises a super-absorbent polymer.

19. The method of claim 1, wherein the cleaning composition further comprises a modifying agent selected from the group consisting of a tackifier, a thickening agent, a gum, an absorbent polymer, a carboxymethyl cellulose (CMC)-derived polymer, a hierarchically porous carbons (HPC)-derived polymer, or a combination thereof, wherein the cleaning composition comprises 0.5 to 3.5 wt % of the biocide, 0.1 to 10 wt % of the sanitation agent, and 0.1 to 5 wt % of the modifying agent.