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:
Dec. 28, 1993
Filed:
Feb. 28, 1991
Applicant:
Inventor:
Manish Sarkar, Windsor, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08F / ;
U.S. Cl.
CPC ...
528 25 ; 528 26 ; 528 27 ; 528 28 ; 528 32 ; 528 38 ; 525418 ; 525451 ; 525452 ; 525474 ; 525523 ; 525535 ; 427387 ;
Abstract
The invention provides a co-polymer comprising a hub portion from which radiate from 3 to 8 arms, where the hub portion being the residue of a trifunctional to octafunctional thiol and each arm is an addition polymer comprising structural units and functional units where the functional units contain hydrolysable group-bearing silicon atoms, optionally additional functional units each of which contain crosslinking groups that are the same or different and that are compatible with each other and the hydrolysable group-containing silicon atoms and optionally auxiliary functional units containing wetting groups.