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. 08, 2000
Filed:
May. 06, 1999
Applicant:
Inventors:
Heinz Hoff, Tamins, CH;
Ulrich Wolf, Domat/Ems, CH;
Assignee:
Ems-Chemie AG, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528310 ; 528125 ; 528128 ; 528170 ; 528272 ; 528274 ; 528288 ; 528292 ; 528322 ; 528332 ; 528335 ; 528336 ;
Abstract
The invention concerns a softener-free polyamide prepared by polycondensation and/or polymerization of polyamide-forming monomers, wherein it was obtained by adding 5-50 wt. % of a dimer diol with a molecular weight within the range of 400-1000 and/or corresponding OH-terminated polyesters.