Patent US4460485A successfully refreshed from Google Patents.
US4460485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester fabric conditioning and whitening composition
Assignee: Lever Brothers Co
•
Filing: 1983-07-15
•
Granted: 1984-07-17
•
Expires: 2003-07-15
Abstract
Abstract A fabric conditioning and brightening composition especially effective toward polyester textiles is disclosed comprising a cationic fabric softening compound, a cotton- or nylon-substantive fluorescent whitening agent and a carboxylic acid containing at least 10 carbon atoms.
Inventors
- 👤 Anthony A. Rapisarda
- 👤 Joseph Romeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:32
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D1/00; C11D1/38; C11D1/62; C11D3/16; C11D3/20; C11D3/2075; C11D3/2079; C11D3/40; C11D3/42; D; D06; D06L; D06L4/00; D06L4/60; D06L4/664
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
99 words
A polyester fabric conditioning and brightening composition suitable for use in automatic washing machines comprising: (a) a cationic fabric softening compound in an amount sufficient when added to wash or rinse water to significantly condition polyester fabric; (b) a cotton- or nylon-substantative fluorescent whitening agent in an amount sufficient when added to wash or rinse water to significantly brighten polyester fabric; and (c) a carboxylic acid containing at least 10 carbon atoms in an amount sufficient when added to wash or rinse water to significantly enhance the brightening of polyester fabric by the cotton- or nylon-substantive fluorescent whitening agent.
Claim 2
Dependent Claim
99 words
A polyester fabric conditioning and brightening composition suitable for use in automatic washing machines comprising: (a) a cationic fabric softening compound in an amount sufficient when added to wash or rinse water to significantly condition polyester fabric; (b) a cotton- or nylon-substantative fluorescent whitening agent in an amount sufficient when added to wash or rinse water to significantly brighten polyester fabric; and (c) a carboxylic acid containing at least 10 carbon atoms in an amount sufficient when added to wash or rinse water to significantly enhance the brightening of polyester fabric by the cotton- or nylon-substantive fluorescent whitening agent.
Claim 3
Dependent Claim
23 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the cationic compound is selected from the group consisting of ##STR5##
Claim 4
Dependent Claim
44 words
The reaction product of about 2 moles of an acid having formula R 5 COOH and about 1 mole of an alkylene diamine having formula H 2 N--C 2 H 4 --NHR 6 said reaction product being a mixture of amides, esters and imidazolines;
Claim 5
Dependent Claim
44 words
The reaction product of about 2 moles of an acid having formula R 5 COOH and about 1 mole of an alkylene diamine having formula H 2 N--C 2 H 4 --NHR 6 said reaction product being a mixture of amides, esters and imidazolines;
Claim 6
Dependent Claim
126 words
and mixtures thereof; wherein R 1 is an alkyl or alkenyl straight or branched chain hydrocarbon containing from about 16 to about 20 carbon atoms; R 2 is an alkyl group containing from 1 to 3 carbon atoms; R 3 represents R 1 or R 2 ; R 4 is an alkylene group containing from 1 to 2 carbon atoms; R 5 is an aliphatic alkyl group containing from 15 to 19 carbon atoms; R 6 is a hydroxyalkyl group containing from 1 to 3 carbon atoms; X is an anion selected from the group consisting of chloride, bromide, iodide, sulfate, alkyl sulfate having 1 to 3 carbon atoms, and acetate; y represents the valence of X and n represents an integer from 1 to 4.
Claim 7
Dependent Claim
126 words
and mixtures thereof; wherein R 1 is an alkyl or alkenyl straight or branched chain hydrocarbon containing from about 16 to about 20 carbon atoms; R 2 is an alkyl group containing from 1 to 3 carbon atoms; R 3 represents R 1 or R 2 ; R 4 is an alkylene group containing from 1 to 2 carbon atoms; R 5 is an aliphatic alkyl group containing from 15 to 19 carbon atoms; R 6 is a hydroxyalkyl group containing from 1 to 3 carbon atoms; X is an anion selected from the group consisting of chloride, bromide, iodide, sulfate, alkyl sulfate having 1 to 3 carbon atoms, and acetate; y represents the valence of X and n represents an integer from 1 to 4.
Claim 8
Dependent Claim
21 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the cationic fabric softening compound is di(hydrogenated tallow)dimethylammonium chloride.
Claim 9
Dependent Claim
17 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the carboxylic acid is unsaturated.
Claim 10
Dependent Claim
24 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the carboxylic acid is 5(6)-carboxy-4-hexyl-2-cyclohexane-1-octynoic acid represented by the following formula: ##STR6##
Claim 11
Dependent Claim
26 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the carboxylic acid is the dimer or trimer of unsaturated C 18 fatty acids.
Claim 12
Dependent Claim
23 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the carboxylic acid is oleic acid, linoleic acid or linolenic acid.
Claim 13
Dependent Claim
27 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the fluorescent whitening agent is selected from the group consisting of: ##STR7## and mixtures thereof.
Claim 14
Dependent Claim
56 words
A polyester fabric conditioning and brightening composition according to claim 1 in the form of a suspension or emulsion further comprising a quaternary ammonium compound having at least one fatty alkyl chain with less than 16 carbon atoms in an amount sufficient when added to wash or rinse water significantly to stabilize said suspension or emulsion.
Claim 15
Dependent Claim
30 words
A polyester fabric conditioning and brightening composition according to claim 9 wherein the quaternary ammonium compound having a fatty alkyl chain with less than 16 carbon atoms is dicocodimethylammonium chloride.
Claim 16
Dependent Claim
29 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of the cationic fabric softening compound is from about 2 to about 15% by weight.
Claim 17
Dependent Claim
28 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of the cationic fabric softening compound is from about 3.5 to 6% by weight.
Claim 18
Dependent Claim
27 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of the carboxylic acid is from about 1 to about 95% by weight.
Claim 19
Dependent Claim
26 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of carboxylic acid is from about 1.75 to about 15% by weight.
Claim 20
Dependent Claim
27 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of the fluorescent whitening agent is from about 0.035 to 1.0% by weight.
Claim 21
Dependent Claim
28 words
A polyester fabric conditioning and brightening composition according to claim 1 wherein the amount of the fluorescent whitening agent is from about 0.05 to about 0.15% by weight.
Claim 22
Dependent Claim
20 words
A polyester fabric conditioning and brightening composition according to claim 1 further comprising 0 to 95% by weight of water.
Claim 23
Dependent Claim
22 words
A polyester fabric conditioning and brightening composition according to claim 1 further comprising from about 80 to 95% by weight of water.
Claim 24
Dependent Claim
18 words
A polyester fabric conditioning and brightening composition according to claim 1 having a pH between 1 and 6.
Claim 25
Dependent Claim
18 words
A polyester fabric conditioning and brightening composition according to claim 1 having the pH between 2 and 4.
Claim 26
Dependent Claim
10 words
A polyester fabric treated with the composition of claim 1.
Claim 27
Dependent Claim
16 words
A method for brightening polyester fabrics comprising treating said fabrics with the composition of claim 1.
References Cited (Backward Citations)
US3904533A
Cited
US3494869A
Cited
US3496112A
Cited
US3779931A
Cited
US3900608A
Cited
US3920563A
Cited
US3920565A
Cited
US3984335A
Cited
US3984356A
Cited
US4139479A
Cited
EP0006271A1
Cited
JPS5558257A
Cited
US4308024A
Cited
US4401578A
Cited
US4314820A
Cited
US4339393A
Cited
EP0071148A2
Cited
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 |