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:
Feb. 16, 2010
Filed:
Jun. 20, 2005
Peijun Jiang, League City, TX (US);
John Richard Shutt, Merchtem, BE;
Charles Stanley Speed, Dayton, TX (US);
Pradeep P. Shirodkar, Stow, OH (US);
Robert Olds Hagerty, La Porte, TX (US);
Larry L. Iaccino, Seabrook, TX (US);
Peijun Jiang, League City, TX (US);
John Richard Shutt, Merchtem, BE;
Charles Stanley Speed, Dayton, TX (US);
Pradeep P. Shirodkar, Stow, OH (US);
Robert Olds Hagerty, La Porte, TX (US);
Larry L. Iaccino, Seabrook, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
This invention relates to a continuous process to prepare olefin impact copolymers comprising producing a semi-crystalline olefin polymer in a first reactor and then transferring the reactor contents to a second reactor where a low crystallinity olefin polymer is produced in the presence of the semi-crystalline polymer, where a fluorinated hydrocarbon is present in the polymerization medium of the first reactor, the second reactor or both reactors.