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:
Feb. 25, 1992
Filed:
Sep. 21, 1990
Imre Godla, Budapest, HU;
Jozsef Foldesi, Budapest, HU;
Istvan Polgar, Budapest, HU;
Endre Gulyas, Budapest, HU;
Istvan Gebhardt, Budapest, HU;
Janos Kiss, Budapest, HU;
Karoly Molnar, Budapest, HU;
Andras Sugar, Budapest, HU;
Pal Angyal, Budapest, HU;
Ferenc Konok, Budapest, HU;
Zoltan Marina, Budapest, HU;
Richter Gedeon Vegyeszeti Gyar Rt., Budapest, HU;
Abstract
A Raney catalyst composition which has ice as a solid carrier. The reaction involving the Raney catalyst of the invention is carried out by portionwise adding a Raney catalyst containing ice as solid carrier to the reaction mixture. The operation-safe cylindrical or angular vessel used for the storage and/or handling of the Raney catalyst has a conical casing or side walls joining to the bottom through a bend radius of greater than 0.5 mm. The vessel is covered by a tightly closing cap.