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. 02, 1994
Filed:
Jun. 11, 1992
Applicant:
Inventors:
Haruhiko Masutomi, Hino, JP;
Hirofumi Ohtani, Hino, JP;
Naoko Uchida, Tokyo, JP;
Chikao Mamiya, Hachioji, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; B01J / ; B01D / ;
U.S. Cl.
CPC ...
422225 ; 422234 ;
Abstract
An apparatus for producing sparingly water-soluble salt crystal grains, including a mixing vessel in which a cationic component solution and an anionic component solution are mixed to form a precipitation process solution in which sparingly water-soluble salt grains are produced, wherein the mixing vessel is connected to a reaction chamber through a one-way valve, and the precipitation process solution is injected into the crystal growth process solution through the one-way valve immediately after mixing while stirring the crystal growth process solution.