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:
Apr. 18, 1995
Filed:
Sep. 28, 1993
Applicant:
Inventors:
Constanze Prengel, Weiterstadt, DE;
Johann Dietz, Dietzen bach, DE;
Angelika Thurn-Muller, Frankenthanl, DE;
Assignee:
Merck Patent Gesellschaft Mit Beshrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428403 ; 428404 ; 428406 ; 428363 ; 424 63 ; 424 69 ; 106415 ; 106418 ; 106467 ; 106469 ; 106436 ; 106450 ; 106D / ;
Abstract
The application relates to deagglomerated and readily dispersible platelet-like substrates with a high degree of softness, which are characterized by a content of 0.5-20% by weight of spherical particles having a small diameter in comparison with the platelet-like substrate, and to a process for their preparation and their use.