US4447343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrated fabric softeners
Assignee: Hoechst AG
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Filing: 1982-12-09
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Granted: 1984-05-08
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Expires: 2002-12-09
Abstract
Abstract Transparent, liquid fabric softener concentrates consisting substantially of (a) from 26 to 40 weight % of a cationic softener, (b) from 0.01 to 8, weight % of an anionic surfactant, (c) from 0.01 to 8, weight % of a nonionic dispersant, (d) from 3 to 30, weight % of a C 1 -C 3 alcohol, and (e) water, optionally perfume, dyestuffs and other auxiliaries in amounts remaining to complete to 100%.
Inventors
- 👤 Adolf May
- 👤 Hans-Walter Bucking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D3/0015; C11D1/00; C11D1/86; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/463; D06M13/47; D06M13/473; C11D1/02; C11D1/12; C11D1/14; C11D1/22; C11D1/29; C11D1/38; C11D1/62; C11D1/66; C11D1/72; D06M2200/00; D06M2200/50
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
66 words
Transparent, liquid fabric softener concentrates consisting substantially of (a) from 26 to 40 weight % of a cationic softener, (b) from 0.01 to 8 weight % of an anionic surfactant, (c) from 0.01 to 8 weight % of a nonionic dispersant, (d) from 3 to 30 weight % of a C 1 -C 3 alcohol, and (e) water in an amount remaining to complete to 100%.
Claim 2
Dependent Claim
66 words
Transparent, liquid fabric softener concentrates consisting substantially of (a) from 26 to 40 weight % of a cationic softener, (b) from 0.01 to 8 weight % of an anionic surfactant, (c) from 0.01 to 8 weight % of a nonionic dispersant, (d) from 3 to 30 weight % of a C 1 -C 3 alcohol, and (e) water in an amount remaining to complete to 100%.
Claim 3
Dependent Claim
188 words
Fabric softener concentrates as claimed in claim 1, which consist substantially of (a) from 26 to 40 weight % of a cationic softener of the formulae ##STR4## in which R 1 is alkyl or alkenyl having from 8 to 22, carbon atoms, R 2 is alkyl having from 1 to 4 carbon atoms, R 3 is methyl or hydrogen, x is a number of from 1 to 5 and A is an anion such as Cl.sup.(-), Br.sup.(-), CH 3 OSO 3 .sup.(-) or CH 3 OPO 3 .sup.(-), (b) from 0.01 to 8 weight % of an anionic surfactant of the formulae IV to VII ##STR5## in which R 4 through R 6 each are alkyl having from 8 to 20, carbon atoms, n is a number of from 8 to 18, m is a number of from 0 to 5, and Y is Na, K or NH 4 , (c) from 0.01 to 8 weight % of an oxethylated alkylphenol or fatty alcohol, (d) from 3 to 30 weight % of a C 1 -C 3 -alkanol, and (e) water in an amount remaining to complete 100%.
Claim 4
Dependent Claim
57 words
Fabric softener concentrates as claimed in claim 1, which consist substantially of from 26 to 30 weight % of component (a), from 1 to 3 weight % of component (b), from 0.5 to 3 weight % of component (c), from 5 to 15 weight % of component (d), and water in an amount remaining to complete 100%.
Claim 5
Dependent Claim
17 words
Fabric softener concentrates as claimed in claim 1, wherein said concentrates include auxiliaries including perfume and dyestuffs.
Claim 6
Dependent Claim
53 words
Fabric softener concentrates as claimed in claim 2, wherein R 1 is alkyl or alkenyl having from 16 to 18 carbon atoms; R 2 is methyl; R 4 through R 6 each are alkyl having from 10 to 15 carbon atoms; n is a number from 11 to 14; and m is 3.
Claim 7
Dependent Claim
17 words
Fabric softener concentrates as claimed in claim 2, wherein said concentrates include perfume, dyestuffs, and other auxiliaries.
Claim 8
Dependent Claim
15 words
Fabric softener concentrates as claimed in claim 3, wherein said concentrates contain perfume and dyestuffs.
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) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |