ENZYME AND PHOTOBLEACH CONTAINING COMPOSITIONS

• US 20100298196A1
• Filed: 08/05/2010
• Published: 11/25/2010
• Est. Priority Date: 01/23/2006
• Status: Abandoned Application

• Current Assignee: Neil Joseph Lant
• Original Assignee: Neil Joseph Lant
• Inventors: Lant, Neil Joseph
• Application Number:
  US12/850,962
• Publication Number:
  US 20100298196A1
• Time in Patent Office: Days
• US Class Current: 510/301
• CPC Class Codes: C11D 3/168 Organometallic compounds or orgometallic complexes
• CPC Class Codes: C11D 3/38627 containing lipase
• CPC Class Codes: C11D 3/40 Dyes ; Pigments

Abstract

This invention relates to compositions comprising certain lipase variants and a photobleach and processes for making and using such compositions. Including the use of such compositions to clean and/or treat a situs.

Claims

1. A composition comprising a lipase and a photobleach material selected from a xanthene dye photobleach, a photo-initiator and mixtures thereof.

2. The composition of claim 1 wherein said lipase is present at a level of from about 0.0005% to about 0.1% and said photobleach material is present at a level of from about 0.0001% to about 1%.

3. The composition of claim 1 wherein said lipase is selected from the group consisting of lipase having E.C. classification 3.1.1 and mixtures thereof, said xanthene dye photobleach is selected from the group consisting of Eosin Y, Phoxine B, Rose Bengal, C.I. Food Red 14 and mixtures thereof, and said photo-initiator is selected from the group consisting of Aromatic 1,4-quinones;

Alpha amino ketones;

Alpha-hydroxy ketones;

Phosphorus-containing photoinitiators;

Dialkoxy acetophenones;

Alpha-haloacetophenones;

Trisacyl phosphine oxides;

benzoin based photoinitiators, and mixtures thereof.

4. The composition of claim 2 wherein said lipase is selected from the group consisting of lipase having E.C. classification 3.1.1 and mixtures thereof, said xanthene dye photobleach is selected from the group consisting of Eosin Y, Phoxine B, Rose Bengal, C.I. Food Red 14 and mixtures thereof, and said photo-initiator is selected from the group consisting of Aromatic 1,4-quinones;

Alpha amino ketones;

Alpha-hydroxy ketones;

Phosphorus-containing photoinitiators;

Dialkoxy acetophenones;

Alpha-haloacetophenones;

Trisacyl phosphine oxides;

benzoin based photoinitiators, and mixtures thereof.

5. The composition of claim 3 wherein said lipase is selected from the group consisting of lipase having E.C. classification 3.1.1.3 and mixtures thereof, said xanthene dye photobleach comprises C.I. Food Red 14 and mixtures thereof, and said photo-initiator is selected from the group consisting of 2-ethyl anthraquinone;

Vitamin K3;

2-sulphate-anthraquinone;

2-methyl 1-[4-phenyl]-2-morpholinopropan-1-one;

(2-benzyl-2-dimethyl amino-1-(4-morpholinophenyl)-butan-1-one;

(1-[4-(2-hydroxyethoxy)-phenyl]-2 hydroxy-2-methyl-1-propan-1-one);

1-hydroxy-cyclohexyl-phenyl-ketone;

oligo[2-hydroxy 2-methyl-1-[4(1-methyl)-phenyl]propanone;

2-4-6-(trimethylbenzoyl)diphenyl-phosphine oxide, bis(2,4,6-trimethylbenzoyl)-phenyl-phosphine oxide;

(2,4,6 trimethylbenzoyl)phenyl phosphinic acid ethyl ester and mixtures thereof.

6. The composition of claim 5, comprising a lipase that is a variant of SEQ ID No. 2.

7. The composition of claim 6, comprising a lipase that is a variant of SEQ ID No. 2, said variant having at least 90% homology to SEQ ID No. 2 and comprising a substitution of an electrically neutral or negatively charged amino acid with R or K at any of positions 3, 224, 229, 231 and 233.

8. The composition of claim 5, comprising a lipase that is a variant of SEQ ID No. 2 said variant having substitutions T231R and N233R.

9. The composition of claim 1 said composition comprising an adjunct material.

10. The composition of claim 1 said composition being a cleaning and/or treatment composition.

11. A process of cleaning and/or treating a surface or fabric comprising the steps of optionally washing and/or rinsing said surface or fabric, contacting said surface or fabric with the composition of claim 1, then optionally washing and/or rinsing said surface or fabric.