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. 08, 1998
Filed:
Sep. 11, 1997
Applicant:
Inventor:
Rainer Gras, Bochum, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C07G / ;
U.S. Cl.
CPC ...
528 45 ; 540202 ; 524 86 ; 528 44 ; 528 68 ; 528 73 ; 528 87 ; 528110 ;
Abstract
Urea- and uretdione-functional polyisocyanates having the following formula (I): ##STR1## where ##STR2## n is an integer of from 1 to 20; R.sup.1, R.sup.3 =not more than one linear or branched (cyclo)alkyl radical having 1-14 carbon atoms or H and at least one of the formula: ##STR3## R.sup.2 =R, linear or branched (cyclo)alkyl radical having 6 carbon atoms; R.sup.4, R.sup.5 =identical or different hydrocarbon radicals having 1 to 14 carbon atoms.