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US5059344A Expired / Lapsed US ⏱️ 0.0 years remaining

Bleaching composition

Assignee: Kao Corp
•
Filing: 1990-03-20
•
Granted: 1991-10-22
•
Expires: 2010-03-20
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Abstract

Abstract A bleaching composition comprises a peroxide and an amphoteric organic per acid precursor. In particular the amphoteric organic per acid precursor is a quaternary ammonium salt has the following formula in which Z is sulfonate or carboxylate and is a new compound. ##STR1##

Inventors

  • 👤 Muneo Aoyagi
  • 👤 Kazuhiro Takanashi
  • 👤 Hiroyuki Araki
  • 👤 Moriyasu Murata
  • 👤 Kohshiro Sotoya
  • 👤 Nobuyuki Ogura
  • 👤 Masaaki Yamamura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:18
CPC Classifications
C; C07; C07C; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/10; C07C229/12; C07C309/00; C07C309/01; C07C309/28; C07C309/41; C07C309/42; C11; C11D; C11D1/00; C11D1/88; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D3/3927

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 55 words
An amphoteric compound having the formula (V): ##STR50## in which R1 is an alkyl group having 1 to 22 carbon atoms, R2 and R3 each are a lower alkyl, n is an integer of 1 to 5, Z is --COO - , --COOM, --SO 3 - or --SO 3 M and M is a cation.
Claim 2
Dependent Claim 55 words
An amphoteric compound having the formula (V): ##STR50## in which R1 is an alkyl group having 1 to 22 carbon atoms, R2 and R3 each are a lower alkyl, n is an integer of 1 to 5, Z is --COO - , --COOM, --SO 3 - or --SO 3 M and M is a cation.
Claim 3
Dependent Claim 15 words
The amphoteric compound of claim 1 in which said amphoteric compound has the formula ##STR51##
Claim 4
Dependent Claim 15 words
The amphoteric compound of claim 1 in which said amphoteric compound has the formula ##STR52##
Claim 5
Dependent Claim 15 words
The amphoteric compound of claim 1 in which said amphoteric compound has the formula ##STR53##
Claim 6
Dependent Claim 13 words
The amphoteric compound of claim 1 in which Z is --COO - .
Claim 7
Dependent Claim 16 words
The amphoteric compound of claim 1 in which Z is --COOM, wherein M is a cation.
Claim 8
Dependent Claim 14 words
The amphoteric compound of claim 1 in which Z is --SO 3 - .
Claim 9
Dependent Claim 18 words
The amphoteric compound of claim 1 in which Z is --SO 3 M, wherein M is a cation.

References Cited (Backward Citations)

US3445509A Cited
US3882166A Cited
US4397757A Cited
US4412934A Cited
US4525292A Cited
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JPH01170698A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-10-21 1995-04-22 1995-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-10-21 1999-04-22 1999-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-10-21 2003-04-22 2003-10-22 $7700.00 Window Closed / Lapsed

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