Odor transmission-resistant polymeric film

• US 20030218022A1
• Filed: 04/17/2003
• Published: 11/27/2003
• Est. Priority Date: 04/17/2002
• Status: Active Grant

• Current Assignee: Angelcare USA, LLC
• Original Assignee: Playtex Products Incorporated (Edgewell Personal Care Company)
• Inventors: Chomik, Richard S., Yoho, Mark, Yeager, Caryl, Knuth, Rosemary
• Granted Patent: US 7,100,767 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A47K 11/02 Dry closets, e.g. incinerator closets
• CPC Class Codes: A47K 11/026 with continuous tubular film for receiving faeces
• CPC Class Codes: B32B 27/32 comprising polyolefins comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30
• CPC Class Codes: B32B 27/34 comprising polyamides
• CPC Class Codes: B65B 67/1277 for dispensing flexible tubular material gathered up in the shape of a ring
• CPC Class Codes: B65F 1/0006 Flexible refuse receptables, e.g. bags, sacks
• CPC Class Codes: B65F 1/0053 Combination of several receptacles
• CPC Class Codes: B65F 1/06 with flexible inserts, e.g. bags or sacks B65F1/0073 takes precedence
• CPC Class Codes: B65F 1/062 having means for storing or dispensing spare bags
• CPC Class Codes: B65F 1/125 Features allowing the receptacle to be lifted and emptied by its bottom
• CPC Class Codes: B65F 1/1646 provided with means for mounting on receptacles, e.g. hinges
• CPC Class Codes: B65F 2001/1669 relating to means for fixing or latching the lid or cover in a certain angle
• CPC Class Codes: B65F 2210/167 Sealing means
• CPC Class Codes: B65F 2210/1675 by twisting, e.g. of a flexible tube
• CPC Class Codes: B65F 2240/132 Diapers
• CPC Class Codes: B65F 7/00 Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles such devices per se A61L, B08B
• 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
• CPC Class Codes: Y10T 428/1334 Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
• CPC Class Codes: Y10T 428/1341 Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
• CPC Class Codes: Y10T 428/31725 Of polyamide
• CPC Class Codes: Y10T 428/31743 : Next to addition polymer from unsaturated monomer[s]
• CPC Class Codes: Y10T 428/3175 : Next to addition polymer from unsaturated monomer[s]

Abstract

A malodor transmission-resistant plastic finding employment in cassettes housing flexible tubular material.

Claims

1. A container holding a supply of plastic tubular stock for the incremental withdrawal of portions thereof, said plastic tubular stock comprising a malodor counteractant comprising an aromatic unsaturated carboxylic ester wherein the unsaturation is conjugated to both the aromatic ring and the carbonyl group portion of the carboxylic ester.

2. The container of claim 1 wherein the malodor counteractant further comprises a compound selected from the group consisting of:

a malodor adsorbing compound, a malodor absorbing compound, a masking agent, a cage compound.

3. The container of claim 1 wherein said malodor counteractant is microencapsulated.

4. A cassette for use in dispensing flexible tubing packed therein in layered form, the cassette comprising a rigid body formed by a central tubular core open at top and bottom, a surrounding casing wall positioned to provide a space between said tubular core and said casing wall and a base wall joining a lower end of said surrounding casing wall to the lower end of said tubular core, a length of flexible tubing packed profusely in a tightly layered mass in said space to constitute a pack surrounding said tubular core, and a cap placed over a portion of said pack, said cassette comprising a malodor counteractant incorporated into the flexible tubing wherein the malodor counteractant is an aromatic unsaturated carboxylic ester wherein the unsaturation is conjugated to both the aromatic ring and the carbonyl group portion of the carboxylic ester.

5. The cassette of claim 5 wherein the malodor counteractant is further selected from the group consisting of:

a malodor adsorbing compound, a malodor absorbing compound, a masking agent, a cage compound.

6. A malodor transmission resistant film comprising a laminate or co-extrusion of a polyamide layer sandwiched between two high density polyethylene layers.

7. A cassette for use in dispensing flexible tubing packed therein in layered form, the cassette comprising a rigid body formed by a central tubular core open at top and bottom, a surrounding casing wall positioned to provide a space between said tubular core and said casing wall and a base wall joining a lower end of said surrounding casing wall to the lower end of said tubular core, a length of flexible tubing packed profusely in a tightly layered mass in said space to constitute a pack surrounding said tubular core, a cap placed over a portion of said pack, wherein said flexible tubing comprises a laminate or co-extrusion of a high density polyethylene layer which is to be exposed to any waste placed therein and an outer nylon layer.

8. A cassette for use in dispensing flexible tubing packed therein in layered form, the cassette comprising a rigid body formed by a central tubular core open at top and bottom, a surrounding casing wall positioned to provide a space between said tubular core and said casing wall and a base wall joining a lower end of said surrounding casing wall to the lower end of said tubular core, a length of flexible tubing packed profusely in a tightly layered mass in said space to constitute a pack surrounding said tubular core, a cap placed over a portion of said pack, wherein said flexible tubing comprises a blown polyester.