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:
Aug. 09, 1983
Filed:
Dec. 18, 1981
Applicant:
Inventors:
Anders T Edgren, Sundsvall, SE;
Lars-Olof Svedberg, Kvissleby, SE;
Assignee:
KemaNord AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 53 ; 264 41 ; 264D / ; 521 57 ;
Abstract
The present invention relates to a process for drying and expanding microspheres whereby first a dispersion of the microspheres in an inert liquid is prepared. This dispersion is then atomized in a hot inert gas. The process of the invention is advantageously carried out in a spray dryer.