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:
May. 20, 1986
Filed:
Mar. 08, 1985
Applicant:
Inventors:
Kaoru Harada, Sakura-mura, Niihari-gun, Ibaragi 305, JP;
Akira Shimoyama, Niihari, JP;
Assignees:
Fuso Chemical Co., Ltd., Osaka, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528328 ; 528310 ;
Abstract
Copoly(amino acids) are produced by heating a mixture of at least one amino acid with at least one of ammonium malate, ammonium maleate or ammonium fumarate, or ammonium salts of malic, maleic or fumaric acid monoamide, or malic, maleic or fumaric acid monoamide or diamide, and hydrolyzing the reaction mixture under neutral or alkaline condition. The method is simple and easy to handle, and therefore, it is suitable for industrial applications.