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:
Aug. 15, 2000
Filed:
Dec. 03, 1999
Applicant:
Inventor:
Shao Hua Guo, West Chester, PA (US);
Assignee:
Arco Chemical Technology, L.P., Greenville, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526 73 ; 526310 ; 526314 ; 526319 ; 526332 ; 526347 ;
Abstract
An improved process for making allylic/ethylenic copolymers is disclosed. Increasing the reaction temperature during addition of the ethylenic monomer/initiator mixture results in a substantial increase in the polymer yield obtained compared with the yield from a conventional process in which a constant temperature is used. Copolymers made by the process include valuable coating resins such as styrene-allyl alcohol and hydroxy-functional acrylic copolymers.