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:
Jul. 29, 1997
Filed:
Jun. 05, 1996
Applicant:
Inventors:
Richard Stephen Auda, Westfield, NJ (US);
William Myers Davis, Westfield, NJ (US);
David Yen-Lung Chung, Edison, NJ (US);
Lawrence William Flatley, Jr, Somerville, NJ (US);
Brenton George Jones, Overijse, BE;
Donald Andrew White, Edison, NJ (US);
Hans Gerlach Woudboer, Bonn-Bad Goedsberg, DE;
Assignee:
Exxon Chemical Patents Inc., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; C08F / ;
U.S. Cl.
CPC ...
264 85 ; 159-21 ; 264102 ; 2641761 ; 26421124 ; 525242 ; 525267 ; 525285 ; 526 65 ; 526 71 ;
Abstract
Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents.