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. 13, 2017
Filed:
Jan. 22, 2016
Applicant:
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Inventors:
Matthew W. Holtcamp, Huffman, TX (US);
Jian Yang, Houston, TX (US);
Celestino M. Perez, Jr., Pasadena, TX (US);
Gregory S. Day, College Station, TX (US);
Rohan A. Hule, Houston, TX (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/10 (2006.01); C08L 23/12 (2006.01); C08F 2/04 (2006.01); C08F 4/6592 (2006.01); C08F 210/06 (2006.01); C08F 4/76 (2006.01); C08F 10/06 (2006.01); C08F 2/00 (2006.01); C08F 4/659 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C08F 210/06 (2013.01); C08F 2/001 (2013.01); C08F 4/65927 (2013.01); C08F 4/76 (2013.01); C08F 10/06 (2013.01); C08L 23/10 (2013.01); C08L 23/12 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 110/06 (2013.01);
Abstract
This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.