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:
Nov. 21, 2000
Filed:
Nov. 23, 1998
Applicant:
Inventors:
Sze-Ming Lee, Moon Township, PA (US);
Douglas A Wicks, Mt. Lebanon, PA (US);
Eberhard Koenig, Leverkusen, DE;
Carol L Kinney, Eighty Four, PA (US);
Karen M Henderson, Coraopolis, PA (US);
Assignees:
Bayer Corporation, Pittsburgh, PA (US);
Bayer Aktiengesellscaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ; C08L / ; C08L / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
524845 ; 524502 ; 524507 ; 524555 ; 524588 ; 524589 ; 524590 ; 524591 ; 524600 ; 524606 ; 524608 ; 524612 ; 524831 ; 524838 ; 524843 ; 524869 ; 525123 ; 525124 ; 5253294 ; 525504 ; 525509 ; 525474 ; 525418 ; 525454 ; 525456 ; 528 28 ; 528 45 ; 528256 ; 528259 ; 528262 ; 528263 ; 528407 ; 528422 ; 528332 ; 528335 ; 528350 ; 560 25 ; 560 26 ; 560115 ; 560157 ; 560158 ; 560159 ; 560160 ; 560166 ; 564 35 ; 4284231 ; 428447 ; 4284735 ; 4284744 ; 428500 ; 428524 ; 540202 ; 544 67 ; 544 68 ; 544222 ; 548951 ; 548952 ; 548953 ;
Abstract
The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or an NCO prepolymer,