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:
Feb. 01, 2000
Filed:
Oct. 23, 1997
Applicant:
Inventors:
Jurgen Weisser, Dormagen, DE;
Frank Richter, Leverkusen, DE;
Carl-Gerd Dieris, Dormagen, DE;
Wolfgang Krohn, Koln, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08K / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
42840221 ; 264-41 ; 264-433 ; 264-47 ; 427146 ; 427149 ; 427153 ; 4284022 ; 428914 ; 462 69 ; 523210 ; 528 68 ; 528 73 ;
Abstract
Novel microcapsules are characterized in that the walls thereof consist of reaction products of crosslinking agents with iminooxadiazinedione isocyanates or the walls thereof contain such reaction products. A process for the production of such microcapsules has also been found, as have carbonless copying papers containing such microcapsules.