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:
May. 22, 1990
Filed:
May. 05, 1988
Applicant:
Inventors:
Francisco F de la Rosa, Sevilla, ES;
Jose A Navarro, Sevilla, ES;
Mercedes Roncel, Sevilla, ES;
Miguel A de la Rosa, Sevilla, ES;
Assignee:
Interox (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2041575 ;
Abstract
Process for the manufacture of hydrogen peroxide by photoreduction of molecular oxygen in an aqueous medium in the presence of visible light, of semicarbazide acting as an electron donor and of a photosensitizer selected from among Bengal Rose and the rutheniumII tris(2,2'-dipyridyl) complex, the pH of the reaction medium being kept at a value above 9.