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US4447343A Expired / Lapsed US ⏱️ 0.0 years remaining

Concentrated fabric softeners

Assignee: Hoechst AG
•
Filing: 1982-12-09
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Granted: 1984-05-08
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Expires: 2002-12-09
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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 20:45
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)

US3954634A Cited
US3997453A Cited
US4267077A Cited
US4264457A Cited

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

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