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US3962100A Expired / Lapsed US ⏱️ 0.0 years remaining

Fabric softening agents

Assignee: Procter and Gamble Co
•
Filing: 1975-08-18
•
Granted: 1976-06-08
•
Expires: 1995-08-18
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Abstract

Abstract Alkyl ammonium cabamates are fabric softeners and anti-stats which can be used in pre-soaks and dryer-added products, and in combination with laundry detergents as through-the-wash fabric softeners.

Inventors

  • 👤 Alan P. Murphy
  • 👤 Rickey Kretschmar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:37
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/1253; C11D3/0005; C11D3/001; C11D3/16; C11D3/26; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/425; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2418; Y10T442/2459

Claims Analysis

Total Claims: 25
Claim 1
Independent Claim 76 words
A fabric softening and anti-static composition comprising a softening amount of an alkyl ammonium carbamate compound of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group; and sufficient suspending agent to suspend said alkyl ammonium carbamate in water.
Claim 2
Dependent Claim 76 words
A fabric softening and anti-static composition comprising a softening amount of an alkyl ammonium carbamate compound of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group; and sufficient suspending agent to suspend said alkyl ammonium carbamate in water.
Claim 3
Dependent Claim 13 words
A composition according to claim 1 wherein the alkyl ammonium carbamate is impalpable.
Claim 4
Dependent Claim 25 words
A composition according to claim 2 wherein the weight ratio of alkyl ammonium carbamate to suspending agent is in the range from 1:10 to 10:1.
Claim 5
Dependent Claim 13 words
A composition according to claim 3 wherein the suspending agent is a clay.
Claim 6
Dependent Claim 14 words
A composition according to claim 4 wherein the clay is a white smectite clay.
Claim 7
Dependent Claim 24 words
A composition according to claim 5 wherein the weight ratio of alkyl ammonium carbamate:white smectite clay is in the range of 1:4 to 4:1.
Claim 8
Dependent Claim 30 words
A composition according to claim 5 wherein the alkyl ammonium carbamate is a member selected from the group consisting of N,N'-dioctadecyl ammonium carbamate, N,N'-ditallowalkyl ammonium carbamate and N,N'-dicoconutalkyl ammonium carbamate.
Claim 9
Dependent Claim 15 words
A composition according to claim 3 wherein the suspending agent is a quaternary ammonium compound.
Claim 10
Dependent Claim 13 words
A composition according to claim 8 wherein the quaternary ammonium is ditallowdimethylammonium chloride.
Claim 11
Dependent Claim 22 words
A composition according to claim 3 wherein the suspending agent is a nonionic, zwitterionic, or anionic surfactant, present in a non-detersive amount.
Claim 12
Dependent Claim 15 words
A composition according to claim 3 wherein the suspending agent is a water-soluble organic solvent.
Claim 13
Dependent Claim 75 words
A combined fabric softening and detergent composition comprising a softening amount of an alkyl ammonium carbamate compound of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group; and a detersive amount of a water-soluble detersive surfactant compound.
Claim 14
Dependent Claim 75 words
A combined fabric softening and detergent composition comprising a softening amount of an alkyl ammonium carbamate compound of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group; and a detersive amount of a water-soluble detersive surfactant compound.
Claim 15
Dependent Claim 14 words
A composition according to claim 12 wherein the surfactant compound is an anionic surfactant.
Claim 16
Dependent Claim 35 words
A composition according to claim 13 wherein the anionic surfactant is a member selected from the group consisting of alkyl benzene sulfonates, tallowalkyl sulfates, coconutalkyl glyceryl sulfonates, alkyl ether (ethoxylated) sulfates, olefin sulfonates, and soaps.
Claim 17
Dependent Claim 23 words
A composition according to claim 12 which comprises, as an additional component, sufficient suspending agent to suspend the alkyl ammonium carbamate in water.
Claim 18
Dependent Claim 14 words
A composition according to claim 15 wherein the suspending agent is an impalpable clay.
Claim 19
Dependent Claim 65 words
A composition according to claim 16 wherein the alkyl ammonium carbamate is a member selected from the group consisting of N,N'-dioctadecyl ammonium carbamate, N,N'-ditallowalkyl ammonium carbamate and N,N'-dicoconutalkyl ammonium carbamate, the surfactant compound is a member selected from the group consisting of alkyl benzene sulfonates, tallowalkyl sulfates, coconutalkyl glyceryl sulfonates, alkyl ether (ethoxylated) sulfates, olefin sulfonates, and soaps, and the clay is a smectite clay.
Claim 20
Dependent Claim 22 words
A composition according to claim 12 which comprises, as an additional component, from 5% to 75% by weight of a detergency builder.
Claim 21
Dependent Claim 30 words
A composition according to claim 18 wherein the builder is a member selected from the group consisting of water-soluble phosphate builders, water-soluble non-phosphate builders, water-insoluble zeolite builders, and mixtures thereof.
Claim 22
Dependent Claim 22 words
A composition according to claim 19 which comprises, as an additional component, from 0.1% to 10% by weight of a suspending agent.
Claim 23
Dependent Claim 84 words
A dryer-added fabric softener comprising a fabric softening amount of an alkyl ammonium carbamate of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group, in releasable combination with a dispensing means selected from the group consisting of a sheet of paper, or woven or non-woven cloth.
Claim 24
Dependent Claim 84 words
A dryer-added fabric softener comprising a fabric softening amount of an alkyl ammonium carbamate of the formula R.sub.1 R.sub.2 NH.sup.+.sub.2 O.sup.-(O)CNR.sub.3 R.sub.4 wherein R 1 is hydrogen or an alkyl group, R 2 is a long chain alkyl group having 10 or more carbon atoms, R 3 is hydrogen or an alkyl group, and R 4 is hydrogen or an alkyl group, in releasable combination with a dispensing means selected from the group consisting of a sheet of paper, or woven or non-woven cloth.
Claim 25
Dependent Claim 28 words
An article according to claim 21 wherein the carbamate is a member selected from the group consisting of N,N'-dioctadecyl ammonium carbamate, N,N'-ditallowalkyl ammonium carbamate and N,N'-dicoconutalkyl ammonium carbamate.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-06-08 1979-12-08 1980-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-06-08 1983-12-08 1984-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-06-08 1987-12-08 1988-06-08 $7700.00 Window Closed / Lapsed

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