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:
Jan. 01, 1991
Filed:
Feb. 03, 1989
Applicant:
Inventors:
John T Garbutt, Muscatine, IA (US);
Claire L Smith, Muscatine, IA (US);
Assignee:
Grain Processing Corporation, Muscatine, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210606 ; 210631 ; 210632 ; 210612 ; 435222 ; 435801 ; 435836 ;
Abstract
Addition of alkaline proteolytic enzymes derived from Bacillis licheniformis in the anaerobic stage of bacterial digestion processes to improve the settling properties of the bacterial biomass.