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:
Dec. 31, 1996
Filed:
Sep. 20, 1993
Applicant:
Inventors:
Alexander C Tsuei, Woodbury, MN (US);
Lorenz Kogl, III, Stillwater, MN (US);
Daniel B Pendergrass, Jr, Mendota Heights, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A23L / ; A23P / ; B01J / ;
U.S. Cl.
CPC ...
424497 ; 51304 ; 25230165 ; 252357 ; 264-44 ; 424498 ; 426 99 ; 426516 ; 426548 ; 4272133 ; 42721331 ; 42721336 ; 4283215 ; 4284022 ; 42840222 ; 42840224 ; 502527 ; 514963 ; 514965 ;
Abstract
Microcapsules are prepared by dispersing or dissolving an active component or components in a solid matrix-forming material that has been thermally softened to form an encapsulation composition. The encapsulation composition is injected as an intact stream into a quenching liquid to provide solid microcapsules.