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:
Sep. 06, 1983
Filed:
Apr. 06, 1981
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
42840222 ; 8526 ; 8675 ; 71DI / ; 25217413 ; 25229901 ; 252358 ; 2525 / ; 424 33 ; 424 35 ; 424 37 ; 427338 ; 42840222 ; 2523151 ; 2523153 ;
Abstract
Microcapsules having a defined release temperature and being formed of gelatin or a mixture of gelatin with gum arabic, carboxymethylcellulose and/or anionic polymers, the gelatin having been hardened with a natural and/or synthetic tanning agent and with a carbonyl compound, and the process for making said microcapsules.