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:
Dec. 01, 1998
Filed:
Nov. 14, 1995
Applicant:
Inventors:
Franciscus HA.M.J. Vandenbooren, Maastricht, NL;
Hubertus JM. Bosman, Sittard, NL;
Jan Van Der Spoel, Sittard, NL;
Assignee:
DSM N.V., Heerlen, NL;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564490 ; 564491 ;
Abstract
The invention relates to a method for the selective hydrogenation of a dinitrile compound in the presence of a catalyst which comprises a metal of group 8 of the periodic system of the elements, the catalyst comprising a zeolite having a pore diameter of between 0.3 and 0.7 nm. The zeolite preferably has a structure chosen from the structures: ABW, AEI, AFT, ANA, ATN, ATV, ATT, AWW, BIK, CAS, CHA, DDR, EAB, EDI, ERI, GIS, JBW, KFI, LEV, LTA, MER, NAT, PHI, RHO, THO, YUG.