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:
May. 11, 1976
Filed:
Feb. 27, 1973
Applicant:
Inventors:
Yujiro Sugahara, Tokyo, JA;
Yoshibumi Noshi, Tsuruoka, JA;
Hiroyuki Naito, Tsuruoka, JA;
Katsuya Toki, Tsuruoka, JA;
Assignee:
Mizusawa Kagaku Kogyo Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106297 ; 106 53 ;
Abstract
This invention relates to a process for manufacturing granular lead oxides such as granular lead monoxide (litharge) and granular red lead at high purities from lead suboxide without formation of harmful dusts or fumes. Furthermore, the invention concerns novel lead bearing additives for use in ceramic industry, for instance, for formation of lead glasses and ceramic glazes to be employed for the manufacture of various optical glasses, cut glasses, tube lamp glasses, etc., and a process for the manufacture of such lead bearing additives.