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. 17, 1998
Filed:
Jun. 27, 1996
Applicant:
Inventor:
Mark Harry Krackov, West Chester, PA (US);
Assignee:
Bio-Technical Resources, L.P., Manitowoc, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568763 ; 552208 ;
Abstract
Process for making water-soluble hydroquinone salts by reacting an aqueous liquid solution of (a) a formamidinesulfinic acid and (b) an alkali metal or quaternary ammonium hydroxide in which is dispersed a (c) quinone and water-soluble hydroquinone salts made thereby.