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.:

US 6743835 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 01, 2004

Filed:

Dec. 05, 2001
Applicant:
Inventors:

Werner Schäfer, Essen, DE;

Manfred Scheiba, Essen, DE;

Stefan Stadtmüller, Essen, DE;

Markus Weimann, Bottrop, DE;

Karlheinz Rümpler, Weimar, DE;

Ulrich Walter, Weimar, DE;

Assignee:

Goldschmidt AG, Essen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/02 ;
U.S. Cl.
CPC ...
C08L 3/02 ;
Abstract

The invention relates to a process for preparing nondusting free-flowing pigment concentrates with removal of the water from pigment suspensions comprising polymers and dispersants in a fluidized bed drier. The resulting bead-form pigment concentrates are nondusting and readily free-flowing. The invention further embraces the use of pigment concentrates prepared in this way for coloring plastics and polymers.


Find Patent Forward Citations

Schäfer, Werner. (2004). Preparation of nondusting free-flowing pigment concentrates (U.S. Patent No. 6743835). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6743835

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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