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. 14, 2017
Filed:
Oct. 28, 2014
Applicant:
Formosa Plastics Corporation, Usa, Livingston, NJ (US);
Inventors:
Gapgoung Kong, Sugarland, TX (US);
Lei Zhang, Port Lavaca, TX (US);
Sun Chueh Kao, Pearland, TX (US);
Chih-Jian Chen, Port Lavaca, TX (US);
Assignee:
Formosa Plastics Corporation, USA, Livingston, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C08F 110/06 (2013.01); C08F 2410/01 (2013.01);
Abstract
The present invention relates to the use of oxalic acid diamides as modifiers in conjunction with solid Ziegler-Natta type catalyst in processes in which polyolefins such as polypropylene are produced. The modified catalyst compositions produce polypropylene with good productivity and higher sterospecificity than systems without such modification.