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:
Apr. 21, 1981
Filed:
Oct. 26, 1978
Applicant:
Inventors:
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 85 ; 252394 ; 260 / ; 528288 ;
Abstract
Polyurethane polymers having the general formula: ##STR1## wherein each Y is an --NH-- group, Z is an optionally substituted divalent hydrocarbon radical and n is an integer of at least 2; their preparation by reacting 2-bromo-2-nitropropane-1,3-diol and a diisocyanate Z(NCO).sub.2 and the use of the polymers for the protection of various media against attack by microorganisms.