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. 14, 1995
Filed:
Jun. 15, 1992
Applicant:
Inventors:
Karl Osterried, Dieburg, DE;
Wolfgang Hechler, Lautertal-Reichenbach, DE;
Hans-Dieter Bruckner, Darmstadt, DE;
Roland Martin, Weinheim, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; B01J / ;
U.S. Cl.
CPC ...
424 59 ; 252 6256 ; 2523131 ; 2523132 ; 424 60 ; 514943 ;
Abstract
The invention relates to a preparation which is suitable for preparing a neutral metal oxide sol and contains 35-75% by weight of one or more metal oxide sols or metal oxide hydrates and 15-45% by weight of one or more hydroxycarboxylic acids and/or hydroxycarboxylic acid derivatives as stabilizers.