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:
Nov. 21, 2000
Filed:
Jun. 23, 1997
Applicant:
Inventors:
Fritz Engelhardt, Chesapeake, VA (US);
Manfred Mayer, Niedernhausen, DE;
Uwe Nickel, Bad Homburg, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; B01J / ;
U.S. Cl.
CPC ...
526 88 ; 5263171 ; 5263031 ; 526319 ; 422139 ;
Abstract
The present invention relates to a process for the preparation of hydrophilic hydrogels of high swelling capacity by (co)polymerization of hydrophilic monomers in a fluidized bed apparatus.