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:
Dec. 19, 1978
Filed:
May. 10, 1977
Applicant:
Inventors:
Assignee:
Wacker-Chemitronic Gesellschaft fur Elecktronik-Grundstoffe mbH, Burghausen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C01F / ; C01G / ;
U.S. Cl.
CPC ...
423342 ; 423493 ; 423495 ; 55 71 ;
Abstract
Trichlorosilane or silicon tetrachloride is prepared by reacting metallic uminum-containing silicon in a reaction zone with hydrogen chloride or chlorine at a temperature between about 260.degree. and about 1200.degree. C, the reaction gas is then cooled to 40.degree. to 130.degree. in a cooling zone through which the velocity of flow is maintained at between 3 and 30 meters per second, and finally filtered.
Braunsperger, Johann. (1978). Process for the manufacture of trichlorosilane and silicon tetrachloride (U.S. Patent No. 4130632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4130632
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile