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. 11, 1988
Filed:
Feb. 27, 1987
Applicant:
Inventors:
Gregory E Schmidt, Batavia, IL (US);
James S Moore, Brighton, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585532 ;
Abstract
Continuous Friedel-Crafts polymerization of propylene based feedstock in a polypropene reactor system to obtain viscous polypropene having a viscosity within the range of about 2 to about 200 centistokes, comprising: (a) continuously injecting water into the feed or the reactor at a monitored and controlled rate and (b) periodically increasing or decreasing the rate of water injection in response to deviations in the molecular weight of the polypropene product from a desired molecular weight.