US4351737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric softener concentrate
Assignee: Hoechst AG
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Filing: 1981-06-26
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Granted: 1982-09-28
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Expires: 2001-06-26
Abstract
Abstract Fabric softener concentrates, which contain of from (a) about 30 to 70 weight % of a cationic softener, (b) about 5 to 50 weight % of a non-ionic softener, (c) about 5 to 20 weight % of a non-ionic dispersing agent, (d) about 5 to 30 weight % of a C 1 -C 3 -alkanol, (e) about 5 to 30 weight % of a liquid glycol, polyglycol or an alkyl ether thereof, and (f) water and optionally perfume and dyestuffs, in quantities representing the remainder to 100 weight %.
Inventors
- 👤 Siegfried Billenstein
- 👤 Adolf May
- 👤 Hans-Walter Bucking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:12
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/835; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; D; D06; D06M; D06M13/00; D06M13/005; C11D1/38; C11D1/52; C11D1/523; C11D1/526; C11D1/62; C11D1/72
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
205 words
Fabric softener concentrates, which contain from: (a) 30 to 70 weight % of a cationic softener of the formulae: ##STR3## the symbols in the above formulae having the following meanings: R 1 and R 2 each denotes alkyl or alkenyl of from 8 to 20 carbon atoms, R 3 is hydrogen or alkyl of from 1 to 3 carbon atoms, x is an integer of from 1 to 5, m and n each is 2 or 3, A - is chlorine or bromine, and Y - is methosulfate; (b) 5 to 50 weight % of a non-ionic softener of the formula: ##STR4## wherein R 4 is alkyl or alkenyl of from 8 to 22 carbon atoms, R 3 is hydrogen or alkyl of from 1 to 3 carbon atoms, p is an integer of from 1 to 5 and Y is an integer of from 1 to 15, (c) 5 to 20 weight % of an oxethylated alkyl phenol or fatty alcohol, (d) 5 to 30 weight % of a C 1 -C 3 alkanol, (e) 5 to 30 weight % of butyl diglycol, ethylene glycol or 1,2-propanediol and (f) water and optionally perfume and dyestuffs in quantities representing the remainder to 100 weight %.
Claim 2
Dependent Claim
205 words
Fabric softener concentrates, which contain from: (a) 30 to 70 weight % of a cationic softener of the formulae: ##STR3## the symbols in the above formulae having the following meanings: R 1 and R 2 each denotes alkyl or alkenyl of from 8 to 20 carbon atoms, R 3 is hydrogen or alkyl of from 1 to 3 carbon atoms, x is an integer of from 1 to 5, m and n each is 2 or 3, A - is chlorine or bromine, and Y - is methosulfate; (b) 5 to 50 weight % of a non-ionic softener of the formula: ##STR4## wherein R 4 is alkyl or alkenyl of from 8 to 22 carbon atoms, R 3 is hydrogen or alkyl of from 1 to 3 carbon atoms, p is an integer of from 1 to 5 and Y is an integer of from 1 to 15, (c) 5 to 20 weight % of an oxethylated alkyl phenol or fatty alcohol, (d) 5 to 30 weight % of a C 1 -C 3 alkanol, (e) 5 to 30 weight % of butyl diglycol, ethylene glycol or 1,2-propanediol and (f) water and optionally perfume and dyestuffs in quantities representing the remainder to 100 weight %.
Claim 3
Dependent Claim
67 words
Fabric softener concentrates according to claim 1 which contain of from 40 to 50 weight % of component (a), 30 to 40 weight % of component (b), 5 to 10 weight % of component (c), 5 to 10 weight % of component (d), 5 to 50 weight % of component (e) and water and optionally perfume and dyestuffs in quantities representing the remainder to 100 weight %.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-09-27 | 1986-03-29 | 1986-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-09-27 | 1990-03-29 | 1990-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-09-27 | 1994-03-29 | 1994-09-28 | $7700.00 | Window Closed / Lapsed |