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:
Mar. 28, 1995
Filed:
Jun. 01, 1992
Applicant:
Inventors:
Bradley L Duell, St. Paul, MN (US);
Daniel B Pendergrass, Jr, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; A61K / ;
U.S. Cl.
CPC ...
424408 ; 424489 ; 424490 ; 4284022 ; 42840221 ;
Abstract
Microcapsules containing a shell wall and a liquid fill are produced by an interfacial polymerization reaction between a polyfunctional aziridine and at least one other polyfunctional organic coreactant selected from the group of polyacid halides, polycarboxylic acids, polyamines, polyhydroxyl-containing compounds, polythiol-containing compounds, polyisocyanates, polyisothiocyanates, and mixtures thereof.