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. 22, 1998
Filed:
Apr. 16, 1997
Applicant:
Inventors:
Purna Chand Sishta, Whitehouse, NJ (US);
Eric Paul Wasserman, Hopewell, NJ (US);
Frederick John Karol, Belle Mead, NJ (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526127 ; 526160 ; 5263484 ; 5263486 ; 526352 ; 526901 ; 526943 ; 526119 ; 502117 ; 502152 ;
Abstract
Polyethylene having a broad molecular weight distribution, a narrow comonomer distribution and excellent processability is easily and cost effectively made using stereoisomeric mixtures of bridged metallocene catalysts containing cycloalkadienyl ligands with facial chirality.
Sishta, Purna. (1998). Production of polyethylene using stereoisomeric metallocenes (U.S. Patent No. 5852143). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5852143
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile