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. 06, 1996
Filed:
May. 18, 1992
Applicant:
Inventors:
James R Fehlner, Salem Township, PA (US);
Dow Firnberg, Creskill, NJ (US);
Assignee:
Inrad, Northvale, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ;
U.S. Cl.
CPC ...
2041576 ; 20415715 ; 20415767 ;
Abstract
The photoconversion of steroids is carried out in microreactors to yield desired products, while limiting the formation of undesirable byproducts. The steroid reactant is combined with a microreactor such as solid particles having controlled spaces of appropriate size to provide stereochemical control over the reaction. Appropriate catalyst particles include silica and zeolitic material. The reaction can be conducted in a fluidized bed reactor and the formation of undesirable byproducts can be effectively limited.