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:
Jun. 09, 1981
Filed:
Jul. 10, 1979
Applicant:
Inventor:
Harry J Wristers, Baytown, TX (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
2524 / ; 526144 ;
Abstract
Large particle size polyolefin is obtained by polymerizing mono-olefins in the presence of a supported olefin catalyst which has been ball milled in the presence of small quantities of polytetrafluoroethylene (PTFE) powder in order to trap, i.e., entangle, the supported catalyst in a web of PTFE submicroscopic fibers.
Wristers, Harry. (1981). Supported ziegler catalysts and method therefor (U.S. Patent No. 4272404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4272404
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile