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:
Jan. 02, 1990
Filed:
Feb. 07, 1983
Applicant:
Inventors:
Toshihiko Matsushita, Funabashi, JP;
Sadao Morishita, Ibaraki, JP;
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
264-433 ; 264-43 ; 264-47 ; 4283215 ; 428914 ; 503215 ; 512-4 ;
Abstract
An improved process for producing double-capsules by dispersing in a hydrophobic substance a dispersion of microcapsules containing as the core material a hydrophilic substance or a hydrophobic substance, the latter of which is the same as or different from the first named hydrophobic substance, wherein the improvement is characterized in that the first named hydrophobic substance has a viscosity of 40 to 150,000 cps at 25.degree. C.