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:
Mar. 27, 2001
Filed:
Apr. 16, 1999
Applicant:
Inventors:
Chon-Yie Lin, Houston, TX (US);
Michael Chia-Chao Chen, Houston, TX (US);
Aspy Keki Mehta, Humble, TX (US);
Rajan K. Chudgar, League City, TX (US);
Assignee:
Exxon Chemical Patents, Inc., Baytown, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/348 ; C08F 8/00 ;
U.S. Cl.
CPC ...
C08G 6/348 ; C08F 8/00 ;
Abstract
This invention relates to isotactic propylene homopolymer compositions obtained from metallocene catalysis wherein the polymer has a molecular weight distribution (Mw/Mn) in the range of from about 2.5 to about 20.0. The isotactic propylene homopolymer composition may be prepared in a multiple stage polymerization process using the same metallocene component in at least two stages.