US4460644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethane foam impregnated with or coated with fabric conditioning agent, anti-microbial agent and anti-discolorant
Assignee: Joh A Benckiser GmbH
•
Filing: 1982-12-27
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Granted: 1984-07-17
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Expires: 2002-12-27
Abstract
Abstract Fabric conditioning articles for use in an automatic laundry dryer are prepared comprising a polyrethane foam substrate impregnated with or coated with an effective amount of a fabric conditioning agent, an anti-microbially effective amount of a halide ion-containing agent and an anti-discoloration effective amount of zinc sulfate, sorbitol or dextrose.
Inventors
- 👤 Mary J. Pavlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:35
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/041; C11D17/047; A; A01; A01N; A01N25/00; A01N25/34; A61; A61L; A61L2/00; A61L2/16; A61L2/18; D; D06; D06F; D06F58/00; D06F58/20; D06F58/203; D06F58/30; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/249976; Y10T428/249994
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
55 words
An article useful for conditioning clothes in an automatic laundry dryer during the drying cycle which article comprises a flexible polyurethane foam substrate impregnated with or coated with an effective amount of a fabric conditioning agent, an effective amount of a halide ion-containing anti-microbial agent and an anti-discoloration-effective amount of zinc sulfate, sorbitol or dextrose.
Claim 2
Dependent Claim
55 words
An article useful for conditioning clothes in an automatic laundry dryer during the drying cycle which article comprises a flexible polyurethane foam substrate impregnated with or coated with an effective amount of a fabric conditioning agent, an effective amount of a halide ion-containing anti-microbial agent and an anti-discoloration-effective amount of zinc sulfate, sorbitol or dextrose.
Claim 3
Dependent Claim
35 words
An article according to claim 1 wherein the polyurethane foam is impregnated with the fabric conditioning agent, anti-microbial agent and anti-discoloration agent whereby they are entrapped or entrained within the cellular structure of the foam.
Claim 4
Dependent Claim
35 words
An article according to claim 1 wherein the fabric conditioning agent comprises a mixture of a cationic fabric softener present in an amount of 50-90% and a non-ionic surfactant present in an amount of 10-50%.
Claim 5
Dependent Claim
35 words
An article according to claim 3 wherein the fabric conditioning agent comprises a mixture of a cationic fabric softener present in an amount of 65-75% and a non-ionic surfactant present in an amount of 25-35%.
Claim 6
Dependent Claim
29 words
An article according to claim 1 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 1:1 to 9:1.
Claim 7
Dependent Claim
29 words
An article according to claim 1 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 1:1 to 2.3:1.
Claim 8
Dependent Claim
27 words
An article according to claim 1 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 70:30.
Claim 9
Dependent Claim
27 words
An article according to claim 1 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 85:15.
Claim 10
Dependent Claim
51 words
An article according to claim 3 wherein the non-ionic surfactant is a polyoxyethylene fatty acid ester of 12-18 carbon atoms in the fatty chain, a polyoxyethylene fatty alcohol ester of 12-18 carbon atoms in the fatty chain or a polyoxypropylene fatty acid ester of 12-18 carbon atoms in the fatty chain.
Claim 11
Dependent Claim
17 words
An article according to claim 7 wherein the cationic fabric softener is a quaternary ammonium fabric softener.
Claim 12
Dependent Claim
18 words
An article according to claim 10 wherein the cationic fabric softener is a dialkyl dimethyl ammonium methyl sulfate.
Claim 13
Dependent Claim
36 words
An article according to claim 11 wherein the dialkyl dimethyl ammonium methyl sulfate is di-(hydrogenated tallow) dimethyl ammonium methyl sulfate, distearyl dimethyl ammonium methyl sulfate, dipalmityl dimethyl ammonium methyl sulfate or dibehenyl dimethyl ammonium methyl sulfate.
Claim 14
Dependent Claim
23 words
An article according to claim 1 wherein the anti-discoloration agent is zinc sulfate, present in the amount of about 0.2% to about 2%.
Claim 15
Dependent Claim
20 words
An article according to claim 1 wherein the anti-discoloration agent is zinc sulfate, present in the amount of about 0.5%.
Claim 16
Dependent Claim
22 words
An article according to claim 1 wherein the anti-discoloration agent is sorbitol, present in the amount of about 2 to about 6%.
Claim 17
Dependent Claim
19 words
An article according to claim 1 wherein the anti-discoloration agent is sorbitol, present in the amount of about 4%.
Claim 18
Dependent Claim
22 words
An article according to claim 1 wherein the anti-discoloration agent is dextrose, present in the amount of about 2 to about 6%.
Claim 19
Dependent Claim
19 words
An article according to claim 1 wherein the anti-discoloration agent is dextrose, present in the amount of about 4%.
Claim 20
Dependent Claim
21 words
An article according to claim 1 wherein the halide ion-containing anti-microbial agent is a chloride, bromide or iodide ion-containing anti-microbial agent.
Claim 21
Dependent Claim
18 words
An article according to claim 1 wherein the halide ion-containing anti-microbial agent is a chloride ion-containing anti-microbial agent.
Claim 22
Independent Claim
65 words
A method of conditioning clothes in an automatic laundry dryer during the drying cycle which method comprises placing in the dryer together with the clothes to be conditioned, a flexible polyurethane foam substrate impregnated with or coated with an effective amount of a fabric conditioning agent, an effective amount of a halide ion-containing anti-microbial agent and an anti-discoloration-effective amount of zinc sulfate, sorbitol or dextrose.
Claim 23
Independent Claim
65 words
A method of conditioning clothes in an automatic laundry dryer during the drying cycle which method comprises placing in the dryer together with the clothes to be conditioned, a flexible polyurethane foam substrate impregnated with or coated with an effective amount of a fabric conditioning agent, an effective amount of a halide ion-containing anti-microbial agent and an anti-discoloration-effective amount of zinc sulfate, sorbitol or dextrose.
Claim 24
Dependent Claim
35 words
A method according to claim 21 wherein the polyurethane foam is impregnated with the fabric conditioning agent, anti-microbial agent and anti-discoloration agent whereby they are entrapped or entrained within the cellular structure of the foam.
Claim 25
Dependent Claim
35 words
A method according to claim 21 wherein the fabric conditioning agent comprises a mixture of a cationic fabric softener present in an amount of 50-90% and a non-ionic surfactant present in the amount of 10-50%.
Claim 26
Dependent Claim
35 words
A method according to claim 21 wherein the fabric conditioning agent comprises a mixture of a cationic fabric softener present in an amount of 65-75% and a non-ionic surfactant present in the amount of 25-35%.
Claim 27
Dependent Claim
29 words
A method according to claim 21 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 1:1 to 9:1.
Claim 28
Dependent Claim
29 words
A method according to claim 21 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 1:1 to 2.3:1.
Claim 29
Dependent Claim
27 words
A method according to claim 21 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 70:30.
Claim 30
Dependent Claim
27 words
A method according to claim 21 wherein the fabric conditioning agent comprises a cationic fabric softener and a non-ionic surfactant present in a weight ratio of 85:15.
Claim 31
Dependent Claim
51 words
A method according to claim 21 wherein the non-ionic surfactant is a polyoxyethylene fatty acid ester of 12-18 carbon atoms in the fatty chain, a polyoxyethylene fatty alcohol ester of 12-18 carbon atoms in the fatty chain or a polyoxypropylene fatty acid ester of 12-18 carbon atoms in the fatty chain.
Claim 32
Dependent Claim
17 words
A method according to claim 27 wherein the cationic fabric softener is a quaternary ammonium fabric softener.
Claim 33
Dependent Claim
18 words
A method according to claim 30 wherein the cationic fabric softener is a dialkyl dimethyl ammonium methyl sulfate.
Claim 34
Dependent Claim
36 words
A method according to claim 31 wherein the dialkyl dimethyl ammonium methyl sulfate is di-(hydrogenated tallow) dimethyl ammonium methyl sulfate, distearyl dimethyl ammonium methyl sulfate, dipalmityl dimethyl ammonium methyl sulfate or dibehenyl dimethyl ammonium methyl sulfate.
Claim 35
Dependent Claim
23 words
A method according to claim 21 wherein the anti-discoloration agent is zinc sulfate, present in the amount of about 0.2% to about 2%.
Claim 36
Dependent Claim
20 words
A method according to claim 21 wherein the anti-discoloration agent is zinc sulfate, present in the amount of about 0.5%.
Claim 37
Dependent Claim
22 words
A method according to claim 21 wherein the anti-discoloration agent is sorbitol, present in the amount of about 2 to about 6%.
Claim 38
Dependent Claim
19 words
A method according to claim 21 wherein the anti-discoloration agent is sorbitol, present in the amount of about 4%.
Claim 39
Dependent Claim
22 words
A method according to claim 21 wherein the anti-discoloration agent is dextrose, present in the amount of about 2 to about 6%.
Claim 40
Dependent Claim
19 words
A method according to claim 21 wherein the anti-discoloration agent is dextrose, present in the amount of about 4%.
Claim 41
Dependent Claim
21 words
A method according to claim 21 wherein the halide ion-containing anti-microbial agent is a chloride, bromide or iodide ion-containing anti-microbial agent.
Claim 42
Dependent Claim
18 words
A method according to claim 21 wherein the halide ion-containing anti-microbial agent is a chloride ion-containing anti-microbial agent.
References Cited (Backward Citations)
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US4297406A
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US4259373A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |