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:
Oct. 04, 1988
Filed:
Aug. 30, 1984
Applicant:
Inventors:
Assignee:
Rhone-Poulenc Specialites Chimiques, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; E21B / ; C08B / ;
U.S. Cl.
CPC ...
435104 ; 435200 ; 536114 ; 166246 ; 426573 ;
Abstract
Aqueous solutions of polysaccharide biopolymers, e.g., Xanthomonas/carbohydrate fermentation worts, are treated with mutanase-containing enzymes to improve the filterability and injectability thereof, and are well adapted, e.g., for secondary and tertiary hydrocarbon (petroleum) recovery by waterflooding therewith.
Gozard, Jean-Pierre. (1988). Enzymatic treatment of solutions of polysaccharide biopolymers (U.S. Patent No. 4775632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4775632
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile