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:
Sep. 29, 1987
Filed:
May. 07, 1984
Applicant:
Inventors:
David L Dauplaise, Norwalk, CT (US);
William J Trzaskos, Ridgefield, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252700 ; 25218629 ;
Abstract
An improved process for the production of sulfonated rubrene is disclosed whereby fuming sulfuric acid is employed as the sulfonating agent. The resultant sulfonated rubrene is used as a fluorescer in water-soluble chemiluminescent mixtures e.g. in combination with a water-soluble amide of oxalic acid and hydrogen peroxide or a source of hydrogen peroxide.
Quick Actions:
Dauplaise, David. (1987). Method for the synthesis of sulfonated rubrene (U.S. Patent No. 4696770). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4696770
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile