EP0269168A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Softening detergent compositions containing cellulase
Assignee: Procter and Gamble European Technical Center
•
Filing: 1987-11-11
•
Granted: —
•
Expires: 2007-11-11
Abstract
Abstract The compositions disclosed herein clean well and at the same time act as textile softeners. They contain a cellulase enzyme and are formulated at a mild alkaline pH range.
Inventors
- 👤 Christian Roland Barrat
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 13:57
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38645
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
71 words
A detergent composition for the cleaning and softening of fabric containing, a surface-active agent and a detergent cellulase, characterized in that : - the surface acitve agent contains at least 50% by weight of anionic surface-active agent; - the composition is essentially free of water-insoluble long-chain-alkyl amines, softening agents, or derivatives thereof; - the pH of a 1% solution of the detergent composition in distilled water is from 6.5 to 9.5.
Claim 2
Dependent Claim
71 words
A detergent composition for the cleaning and softening of fabric containing, a surface-active agent and a detergent cellulase, characterized in that : - the surface acitve agent contains at least 50% by weight of anionic surface-active agent; - the composition is essentially free of water-insoluble long-chain-alkyl amines, softening agents, or derivatives thereof; - the pH of a 1% solution of the detergent composition in distilled water is from 6.5 to 9.5.
Claim 3
Dependent Claim
24 words
A composition in accordance with claim 1, wherein the cellulase is baterial or fungal cellulase having a pH optimum of between 5 and 11.5.
Claim 4
Dependent Claim
24 words
A composition in accordance with claim 1 or 2, wherein the cellulase is an alkali cellulase having an optimum pH from 6.5 to 9.5.
Claim 5
Dependent Claim
27 words
A composition in accordance with any of the preceding claims, wherein the composition has a cellulase activity of from 5 to 100 CMCase activity unit/gram of composition.
Claim 6
Dependent Claim
25 words
A composition in accordance with any of the preceeding claims, wherein the surface-acitive agent contains from 60% to 100% by weight of anionic surface-active agent.
Claim 7
Dependent Claim
17 words
A composition in accordance with any of the preceeding claims, which further contains a fabric-softening clay material.
Claim 8
Dependent Claim
16 words
A composition in accordance with claim 6 wherein the fabric-softening clay material is a bentonite clay.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.