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. 04, 2003
Filed:
Apr. 25, 2001
Applicant:
Inventors:
Joachim Dentler, Bruchköbel, DE;
Norbert Herfert, Altenstadt, DE;
Helmut Klotzsche, Alzenau, DE;
Rudolf Schliwa, Alzenau, DE;
Uwe Stüven, Bad Soden, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B02C 1/912 ;
U.S. Cl.
CPC ...
B02C 1/912 ;
Abstract
Hydrogel particles are produced by a drying step followed sequentially by precomminuting, grinding, separating, and further drying of coarse particles.
Dentler, Joachim. (2003). Complete drying method for hydrogels (U.S. Patent No. 6641064). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6641064
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile