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:
Nov. 20, 2001
Filed:
Apr. 05, 2000
Applicant:
Inventors:
Jeanine Lee Hurry, North Wales, PA (US);
Robert Hugh Schwartz, Parkland, PA (US);
Richard Shu-Hua Wu, Ft. Washington, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/16 ;
U.S. Cl.
CPC ...
C08F 2/16 ;
Abstract
A process for preparing polymers is disclosed. The process utilizes displacement of air in a polymerization reactor with water vapor, a closed system, and a pump at high operating pressure to pump the polymer through a heat exchanger in an external loop, resulting in reduced volatile organic compound emissions.