US4876024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enzymatic detergent additive, a detergent, and a washing method
Assignee: Novozymes AS
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Filing: 1986-08-06
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Granted: 1989-10-24
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Expires: 2006-08-06
Abstract
Abstract A lipolytic enzymatic detergent additive, the lipase of which is from a lipase producing strain of Pseudomonas cepacia, detergent compositions containing such an additive and washing with the detergent compositions at temperatures below about 60 DEG C.
Inventors
- 👤 Michiyo Enomoto
- 👤 Steen Riisgaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:04
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38627; C12; C12N; C12N9/00; C12N9/14; C12N9/16; C12N9/18; C12N9/20
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
58 words
A lipolytic enzymatic detergent additive in the form of a non-dusting granulate or a stabilized liquid, the active enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 2
Dependent Claim
58 words
A lipolytic enzymatic detergent additive in the form of a non-dusting granulate or a stabilized liquid, the active enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 3
Dependent Claim
30 words
An enzymatic detergent additive according to claim 1 wherein the lipase producing strain of Pseudomonas cepacia is selected from the group consisting of DSM 3333 to 3337 inclusive and 3401.
Claim 4
Dependent Claim
19 words
An enzymatic detergent additive according to claim 1 wherein the additive is in the form of a non-dusting granulate.
Claim 5
Dependent Claim
21 words
An enzymatic detergent additive according to claim 1 wherein the additive is a liquid, the liquid containing therein an enzyme stabilizer.
Claim 6
Dependent Claim
21 words
An enzymatic detergent additive according to claim 1 wherein the lipase activity therein is more than about 2,500 NLU/g of additive.
Claim 7
Dependent Claim
16 words
An enzymatic detergent additive according to claim 1 wherein the additive further comprises a proteolytic enzyme.
Claim 8
Dependent Claim
24 words
An enzymatic detergent additive according to claim 6 wherein the proteolytic activity therein is between about 0.5 and about 3.0 Anson Units/g of additive.
Claim 9
Dependent Claim
50 words
A detergent composition containing therein a lipolytic enzymatic additive, the enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia, said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 10
Dependent Claim
50 words
A detergent composition containing therein a lipolytic enzymatic additive, the enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia, said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 11
Dependent Claim
26 words
A detergent according to claim 8 wherein the detergent composition contains therein the lipolytic enzymatic detergent additive in an amount of between 0.1 and 2.0% w/w.
Claim 12
Dependent Claim
71 words
A washing process which comprises washing at a temperature below about 60° C. at a pH between 7 and 11 with a detergent composition containing therein a lipolytic enzyme additive, the enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia, said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 13
Dependent Claim
71 words
A washing process which comprises washing at a temperature below about 60° C. at a pH between 7 and 11 with a detergent composition containing therein a lipolytic enzyme additive, the enzyme component of which is a lipase produced by a lipase producing strain of Pseudomonas cepacia, said lipase being characterized by a pH activity optimum within the pH range of pH 5.75-7.0 and by being thermally stable at 60° C.
Claim 14
Dependent Claim
30 words
A washing process according to claim 10 wherein the solution employed for washing contains the detergent in an amount of between 1 and 20 g per liter of washing solution.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-10-23 | 1993-04-24 | 1993-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-23 | 1997-04-24 | 1997-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-23 | 2001-04-24 | 2001-10-24 | $7700.00 | Window Closed / Lapsed |