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US4374056A Expired / Lapsed US ⏱️ 0.0 years remaining

Lowly irritating detergent

Assignee: Kao Corp
•
Filing: 1981-11-02
•
Granted: 1983-02-15
•
Expires: 2001-11-02
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Abstract

Abstract A low irritating detergent composition comprises an amphoteric surface active agent of the amideamine type having the formula (1): ##STR1## wherein R 1 is an alkyl or alkenyl group having 6 to 20 carbon atoms, R 2 is H, or C 2 H 4 OH, R 3 is H, C 2 H 4 OH or C 2 H 4 CO 2 M, R 4 is H, C 2 H 4 OH or C 2 H 4 CO 2 M, and M is H, an alkali metal, ammonium or organic ammonium, and mixing the amphteric surfactant of the formula (1) with one or more of another surfactants.

Inventors

  • 👤 Hiroshi Watanabe
  • 👤 Hajime Hirota

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 00:30
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/88; C11D1/02; C11D1/04; C11D1/10

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 78 words
A detergent comprising an amide-amine type amphoteric surface active agent represented by the following general formula (1): ##STR44## wherein R 1 stands for an alkyl or alkenyl group having 6 to 20 carbon atoms, R 2 stands for H or C 2 H 4 OH, R 3 and R 4 are each H, C 2 H 4 OH, or C 2 H 4 CO 2 M, and M stands for H, an alkali metal, ammonium or organic ammonium.
Claim 2
Dependent Claim 78 words
A detergent comprising an amide-amine type amphoteric surface active agent represented by the following general formula (1): ##STR44## wherein R 1 stands for an alkyl or alkenyl group having 6 to 20 carbon atoms, R 2 stands for H or C 2 H 4 OH, R 3 and R 4 are each H, C 2 H 4 OH, or C 2 H 4 CO 2 M, and M stands for H, an alkali metal, ammonium or organic ammonium.
Claim 3
Dependent Claim 27 words
A detergent as set forth in claim 1, wherein R 1 of the general formula (1) stands for an alkyl group having 10 to 16 carbon atoms.
Claim 4
Dependent Claim 27 words
A detergent as set forth in claim 1 or 2, wherein R 2 of the general formula (1) stands for H or --CH 2 CH 2 OH.
Claim 5
Dependent Claim 34 words
A detergent as set forth in claim 1 or claim 2, wherein R 3 of the general formula (1) stands for --CH 2 CH 2 OH or --CH 2 CH 2 CO 2 M.
Claim 6
Dependent Claim 30 words
A detergent as set forth in claim 1 or claim 2, wherein R 4 of the general formula (1) stands for H or --CH 2 CH 2 CO 2 M.
Claim 7
Dependent Claim 28 words
A detergent as set forth in claim 1 or claim 2, wherein the content of the amide-amine type amphoteric surface active agent is 1 to 50% by weight.
Claim 8
Dependent Claim 21 words
A detergent as set forth in claim 6, which further comprises one or more of anionic, cationic, nonionic and amphoteric surfactants.

References Cited (Backward Citations)

US2877178A Cited
US2993918A Cited
US2781374A Cited
US3873688A Cited
US3813422A Cited
US3855156A Cited
US4180468A Cited
JPS55336A Cited
JPS5525436A Cited
JPS5525458A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-02-14 1986-08-16 1987-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-02-14 1990-08-16 1991-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-02-14 1994-08-16 1995-02-15 $7700.00 Window Closed / Lapsed

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