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:
Oct. 10, 1978
Filed:
Apr. 27, 1977
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252316 ; 8 79 ; 71 6 / ; 2605 / ; 521 76 ;
Abstract
Production of microcapsules, wherein a film-forming polycarbodiimide with functional terminal isocyanate groups is dissolved in the core material or in an inert solvent and a miscible core material is added and the resulting organic phase is introduced into an immiscible liquid phase which contains a dissolved catalyst for isocyanate reactions, and the microcapsules formed are isolated after the reaction of the shell-forming polymer.