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:
Dec. 08, 1992
Filed:
Sep. 10, 1991
Applicant:
Inventors:
Karl-Heinz Fauth, Wattenheim, DE;
Franz-Dieter Martischius, Neustadt, DE;
Bernhard Raab, Gross-Rohrheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
241 30 ; 241 23 ; 528502 ;
Abstract
A process for reducing the size of polyisobutene with a molecular weight of from 5,000,000 to 12,000,000 by grinding under pressures of from 1 to 50 bar and with average residence times of from 0.1 to 30 minutes entails the grinding being carried out at from 0.degree. to 60.degree. C.
Fauth, Karl-Heinz. (1992). Reduction in size of polyisobutene (U.S. Patent No. 5169074). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5169074
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile