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:
Oct. 07, 1997
Filed:
Mar. 07, 1995
Applicant:
Inventors:
Michael Ahlers, Mainz, DE;
Axel Walch, Frankfurt am Main, DE;
Gerhard Seipke, Hofheim, DE;
Gregory Russell-Jones, Middel Cove, AU;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424489 ; 424490 ; 424491 ; 514808 ; 514951 ;
Abstract
Nanoparticles containing an active substance and a ketalized polytartramidic acid, process for their preparation, and use thereof. Nanoparticles containing an active substance and a ketalized polytartramidic acid are suitable as vehicles for active substances, in particular for peptides and proteins. Processes for the preparation of the nanoparticles are described.