US 4,978,770 AGranted

Quaternary ammonium salts of dicyano substituted teriary alkylene diamines as bleach activators

AssigneeKao Corporation

InventorsMuneo Aoyagi, Kazuhiro Takanashi, Masaaki Yamamura, Moriyasu Murata, Hiroyuki Yamada, Hiroyuki Araki, Takanori Fukumoto

Life of this patent

Estimating the term…

Abstract

A bleaching composition comprises (a) a peroxide and (b) an organic peracid precursor having at least one group selected from (b-1) and (b-2) and then further comprises a detergent component(s). ##STR1##

Claims3

Dependent claims

A compound having the formula ##STR50## in which each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is alkyl having 1 to 6 carbon atoms, n is an integer of 1 to 16 and X is an anion.

Dependencies are inferred from the claim text.

Facts

Application: 07/502,335Filed 30 Mar 1990 · division
Priority: JP 62-20296614 Aug 1987
Granted: 18 Dec 1990
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 255/25
Containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same saturated acyclic…
C11D 3/3925
Nitrogen-containing compounds: nitriles; Isocyanates or quarternary ammonium nitriles
C11D 3/3945
Organic or inorganic per-compounds: organic per-compounds
C07C
Acyclic or carbocyclic compounds

Family

Serial229,913Parent of this division · filed 8 Aug 1988
US 4,915,863 AParent of this division
US 4,978,770 AThis patent

From the US filing history. Foreign family members aren’t listed.

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