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. 14, 1988
Filed:
Mar. 19, 1987
Applicant:
Inventors:
James M Bentley, Tervuren, BE;
James P Brown, Sterrebeek, BE;
Guy Frijns, Rixensart, BE;
David J Sparrow, Tervuren, BE;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521163 ; 528 68 ; 528 76 ; 528 77 ; 528335 ; 528342 ; 528347 ; 564153 ; 564155 ; 564164 ;
Abstract
The invention relates to a polymeric polyamine having a molecular weight of from 1000 to 16000 and containing from 2 to 4 primary amino groups per molecule, the polymeric polyamine being the condensation product of a polycarboxylic acid or ester with a stoichiometric excess of a polyamine having terminal aminopropoxy groups and a molecular weight below 500.