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:
Apr. 14, 1981
Filed:
Jun. 14, 1979
Applicant:
Inventors:
Yoji Fukuda, Neyagawa, JP;
Tsuneharu Nitta, Katano, JP;
Tomizo Matsuoka, Neyagawa, JP;
Fumio Fukushima, Moriguchi, JP;
Shigeru Hayakawa, Hirakata, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01G / ;
U.S. Cl.
CPC ...
423544 ; 423622 ;
Abstract
Basic zinc compound flake-like crystalline material suited for use in crystal-oriented electronic devices and method for preparation thereof comprising the steps of preparing a solution including at least zinc ions and sulfate ions, and causing precipitation of zinc sulfate crystals by causing a reaction of components of said solution with alkali when said solution is at a temperature in the range 50.degree. to 100.degree. C. and has a pH value of in the range 4 to 6.5.