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:
Jan. 20, 1987
Filed:
Jun. 24, 1985
Applicant:
Inventor:
Dorothee M McClain, Cincinnati, OH (US);
Assignee:
National Distillers and Chemical Corporation, , VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525369 ; 5253306 ;
Abstract
Ethylene-acrylic acid copolymers or salts thereof are prepared by first preparing an ethylene-alkyl acrylate copolymer, saponifying such ethylene-alkyl acrylate copolymer in the molten state, in the absence of solvent or water other than by-product alkanol, with selected metal hydroxides to form alkanol and a salt, or an ionomer, of ethylene-acrylic acid copolymer, and optionally acidifying such salt to form ethylene-acrylic acid copolymer.