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:
Dec. 31, 1996
Filed:
Apr. 11, 1995
Applicant:
Inventors:
Manfred Sponheimer, Wiesbaden, DE;
Guenther Welt, Gau-Bischofsheim, DE;
Manfred Ziegelmayer, Bischofsheim, DE;
Assignee:
Hoechst AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 86 ; 536 88 ; 536 90 ; 536 91 ; 536 95 ; 536 96 ; 536 97 ; 536 98 ; 536 99 ; 536100 ; 241 28 ;
Abstract
A process and apparatus for screening cellulose ethers which have a finely fibrous or wad-like or woolly structure, wherein the process comprises the following steps: