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:
Mar. 29, 1994
Filed:
May. 16, 1990
Applicant:
Inventors:
Helena Nevalainen, Espoo, FI;
Jonathan Knowles, Helsinki, FI;
Pirkko Suominen, Vantaa, FI;
Merja Pentilla, Helsinki, FI;
Arja Mantyla, Espoo, FI;
Assignee:
Alko Limited, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435209 ; 435 691 ; 4351723 ; 435277 ; 435278 ; 4352523 ; 435200 ; 435232 ; 935 37 ; 935 61 ; 935 64 ; 935 68 ;
Abstract
Enzyme preparations enriched in hemicellulase-, pectin-, and/or lignin-degrading enzymes are described which are also partially or completely deficient in cellulase degrading activity. Such preparations may be utilized in an crude, unpurified form and are especially useful in the production of pulp and paper.