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:
Aug. 13, 1991
Filed:
Apr. 20, 1989
Applicant:
Inventors:
Robert M Spotnitz, Baltimore, MD (US);
Douglas S McFarland, Westminster, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ; C25B / ;
U.S. Cl.
CPC ...
204128 ; 204129 ;
Abstract
A process for forming halogen of chlorine and/or bromine by subjecting aqueous hydrohalic acid electrolyte solution to an electrical current while providing a continuous flow of inert gas through the solution and maintaining the solution at a substantially invariant level and composition.