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:
Mar. 13, 1979
Filed:
Mar. 17, 1976
Applicant:
Inventors:
Guy M Jacob, Creteil, FR;
Jean P Hallais, Ablon, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C01B / ; C01G / ;
U.S. Cl.
CPC ...
156611 ; 156614 ; 156D / ; 156605 ; 423409 ; 148175 ; 252 / ; 427 85 ;
Abstract
Method of manufacturing gallium nitride crystals by reaction of galium halide and ammonia in which free hydrogen chloride is introduced into the reaction and deposition zones.