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:
Jun. 07, 1983
Filed:
Oct. 16, 1981
Applicant:
Inventor:
Peter S Francis, Rose Valley, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 5423 ; 427-2 ; 427336 ; 427400 ; 428409 ; 525 57 ; 525186 ;
Abstract
A molded article which consists of a core comprising a copolymer of a monovinyl aromatic monomer and an alpha, beta-unsaturated cyclic anhydride and a grafted water-swollen hydrophilic polymer coating on the core is particularly suitable for use as a blood-contacting article.