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:
Nov. 11, 2003
Filed:
Jun. 16, 1997
Applicant:
Inventors:
Alf Schulz, Wedemark, DE;
Dirk Seffer, Neustadt, DE;
Matthias Rieland, Hannover, DE;
Werner Rudolph, Hannover, DE;
Assignee:
Solvay Fluor und Derivate GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 2/510 ; C01G 2/800 ;
U.S. Cl.
CPC ...
C01B 2/510 ; C01G 2/800 ;
Abstract
The preparation of phosphorus pentafluoride and arsenic pentafluoride by reacting corresponding trihalides with elemental chlorine, bromine or iodine and also with hydrogen fluoride.