The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 2004
Filed:
Nov. 17, 1999
Applicant:
Inventors:
Keith E. LeJeune, Pittsburgh, PA (US);
Alan J. Russell, Wexford, PA (US);
Assignee:
Agentase, LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 1/118 ; C12N 1/108 ; C12N 1/104 ;
U.S. Cl.
CPC ...
C12N 1/118 ; C12N 1/108 ; C12N 1/104 ;
Abstract
A method of increasing loading of active enzyme immobilized in a polyurethane polymer including the steps of: synthesizing the polyurethane polymer in a reaction mixture containing water and enzyme; and including a sufficient amount of a surfactant in the reaction mixture to increase enzyme activity at an enzyme loading.