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. 29, 2019
Filed:
Dec. 04, 2012
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Joerg Neubauer, Hamburg, DE;
Sonja Scharlemann, Wedemark, DE;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 11/00 (2006.01); C04B 16/04 (2006.01); C04B 16/02 (2006.01); C04B 28/14 (2006.01); C04B 40/00 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 11/00 (2013.01); C04B 16/02 (2013.01); C04B 16/04 (2013.01); C04B 28/14 (2013.01); C04B 40/0039 (2013.01); C04B 2111/00198 (2013.01);
Abstract
The present invention relates to a method for providing modified gypsum plaster or filling compositions having reduced agglomeration in comparison to gypsum plaster or filling compositions comprising cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cellulose ether, gelatin and gypsum for use in such methods, and gypsum-free mixtures comprising cellulose ether and gelatin which may be added to gypsum binder for use a for use in such methods.