U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Stabilized built single phase liquid detergent composition containing enzymes

Patent 4670179 Issued on June 2, 1987. Estimated Expiration Date: Icon_subject May 29, 2006. 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.

Patent References

Liquid detergent composition
Patent #: 4021377
Issued on: 05/03/1977
Inventor: Borchert ,   et al.

Liquid cleaning composition containing stabilized enzymes
Patent #: 4169817
Issued on: 10/02/1979
Inventor: Weber

Stabilized liquid enzyme-containing detergent compositions
Patent #: 4243543
Issued on: 01/06/1981
Inventor: Guilbert ,   et al.

Stabilized enzymatic liquid detergent composition containing a polyalkanolamine and a boron compound Patent #: 4261868
Issued on: 04/14/1981
Inventor: Hora ,   et al.

Inventors

Application

No. 06/870647 filed on 05/29/1986

US Classes:

510/321, Liquid composition (e.g., slurry, etc.)510/108, CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.)510/393, Liquid composition (e.g., slurry, etc.)510/505Oxygen in the component (except substituted triazines)

Examiners

Primary: Kittle, John E.
Assistant: Shah, Mukund J.

Attorney, Agent or Firm

International Classes

C11D 3/38 (20060101)
C11D 3/386 (20060101)

Abstract

A stabilized built single-phase enzyme-containing liquid detergent composition is provided comprising:(a) from about 3 to 10%, by weight, of a surface active nonionic detergent compounds;(b) from about 3 to 15%, by weight, of a surface active amphoteric detergent compound;(c) from about 5 to 25%, by weight, of a water-soluble non-phosphate detergent builder salt;(d) an effective amount of an enzyme or enzyme mixture selected from the group consisting of alkaline protease enzymes and alpha-amylase enzymes;(e) from about 3 to 15%, by weight, of an enzyme stabilizing system consisting essentially of (i) glycerine and (ii) a boron compound selected from the group consisting of boric acid, boric oxide and alkali metal borates capable of reacting with said glycerine; and(f) from about 30-85%, by weight, water; said liquid detergent composition being substantially free of cross-linked polyacrylate polymers.

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