Stabilized bleaching and laundering composition

Patent 4450089 Issued on May 22, 1984. Estimated Expiration Date:

October 21, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3920570

Liquid detergent compositions
Patent #: 4079015
Issued on: 03/14/1978
Inventor: Paucot , et al.

Solid compositions for washing, cleaning and bleaching and processes for their manufacture and their use
Patent #: 4079016
Issued on: 03/14/1978
Inventor: Brahm , et al.

Particles based on polylactones derived from polyhydroxycarboxylic acids, and pulverulent compositions in which these particles are present
Patent #: 4259203
Issued on: 03/31/1981
Inventor: Lorquet

Particulate bleach compositions
Patent #: 4283302
Issued on: 08/11/1981
Inventor: Foret , et al.

Particles of stabilized peroxygenated compounds, process for their manufacture, and composition containing such particles Patent #: 4329244
Issued on: 05/11/1982
Inventor: Brichard , et al.

Inventors

Application

No. 06/435829 filed on 10/21/1982

US Classes:

510/313, Carbonyl single bonded to nitrogen in the activator or precursor (e.g., amide, imide, etc.)252/186.38, Contains activator admixed with inorganic peroxide510/306, Proteolytic enzyme510/307, With oxygen, nitrogen, or sulfur containing optical brightener510/318, With polycarboxylic acid component, or salt or anhydride thereof (e.g., carboxylic acid copolymer, etc.)510/376, With heavy metal, nitrogen, or oxygen containing activator, catalyst, or precursor510/378, Perborate salt component510/443, Spray-dried component, or process of preparing (e.g., postdosed composition, etc.)510/476Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymer

Examiners

Primary: Kittle, John E.
Assistant: Le, Hoa Van

Attorney, Agent or Firm

International Classes

C11D 3/37 (20060101)
C11D 3/39 (20060101)

Abstract

A particulate bleaching detergent composition is provided comprising (a) a bleaching agent comprising an inorganic peroxygen compound in combination with an activator therefor; (b) a polymer containing momomeric units of the formula ##STR1## wherein R1 and R2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; and (c) one or more surface active detergent compounds.