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. 23, 1999
Filed:
Sep. 12, 1997
Applicant:
Inventor:
Gerhard Darsow, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568820 ;
Abstract
To prepare isocamphylcyclohexanols by hydrogenating compounds containing the carbon skeleton of the isocamphylguaiacols or isocamphylphenols, oxygen-free and support-free molded bodies disposed in a fixed bed and made of compacted powders of the elements of the ferrous subgroup of group VIII of the periodic system or their mutual alloys or their alloys with elements of group VIB are used as catalysts; in addition, hydrogenationally inert elements may be present. The molded bodies have a compressive strength of 20 to 250N and an internal surface area of 10 to 90 m.sup.2 /g.