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. 25, 1982
Filed:
Jul. 21, 1980
Applicant:
Inventors:
Walter Brodowski, Amorbach, DE;
Michael Wallrabenstein, Worth am Main, DE;
Assignee:
Akzona Incorporated, Asheville, NC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524439 ; 81155 ; 525420 ; 525419 ; 528271 ; 528363 ;
Abstract
Zinc chelates of terephthaloyl-terephthalic/oxalic copolyhydrazides, the oxalic dihydrazide and terephthalic dihydrazide units having a molar ratio in the range of 19:6 to 6:19, as well as the products aftertreated with an oxalic acid solution.