EP0149520A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Modified lipase
Assignee: Bellex Singapore Corp Te Tokio Japan
•
Filing: 1985-01-07
•
Granted: —
•
Expires: 2005-01-07
Abstract
Abstract A modified lipase, comprising lipase molecules which are partially substituted with an active derivative of a polyalkylene glycol having a hydrophobic group at the terminal end.
Inventors
- 👤 Yuji Inada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 11:37
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/62; C07; C07J; C07J9/00; C12N; C12N9/00; C12N9/14; C12N9/16; C12N9/18; C12N9/20; C12N9/96
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
26 words
A modified lipase, comprising lipase molecules which are partially substituted with an active derivative of a polyalkylene glycol having a hydrophobic group at the terminal end.
Claim 2
Dependent Claim
26 words
A modified lipase, comprising lipase molecules which are partially substituted with an active derivative of a polyalkylene glycol having a hydrophobic group at the terminal end.
Claim 3
Dependent Claim
23 words
The modified lipase according to Claim 1, wherein the polyalkylene glycol is a polyethylene glycol having a molecular weight of 5,000 or more.
Claim 4
Dependent Claim
23 words
The modified lipase according to Claim 1, wherein the hydrophobic group at the terminal end is an alkyl group or an aryl group.
Claim 5
Dependent Claim
29 words
The modified lipase according to Claim 1, wherein the active derivative is a triazine derivative, an acetyl derivative, a diazonium derivative, an amino derivative or a carboxylic acid derivative.
Claim 6
Dependent Claim
39 words
The modified lipase according to Claim 1, wherein the amino groups in the lipase molecules are partially substituted with a group of the formula: wherein R represents a polyalkylene glycol group having a hydrophobic group at the terminal end.
Claim 7
Dependent Claim
26 words
The modified lipase according to Claim 5, which is substituted with a 2,4-bis(methoxypolyoxyethylene)-6-triazine of which the polyoxyethylene moiety has a molecular weight of 5,000 or more.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.