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:
Jan. 05, 2021
Filed:
Dec. 12, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Joerg Buechner, Bergisch Gladbach, DE;
Michael Ludewig, Odenthal, DE;
Evgeny Avtomonov, Leverkusen, DE;
Martin Melchiors, Leichlingen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/02 (2006.01); C08G 18/75 (2006.01); C08G 18/22 (2006.01); C08J 3/07 (2006.01); C08G 18/28 (2006.01); C08K 3/16 (2006.01);
U.S. Cl.
CPC ...
C08G 18/025 (2013.01); C08G 18/225 (2013.01); C08G 18/283 (2013.01); C08G 18/758 (2013.01); C08J 3/07 (2013.01); C08J 2379/08 (2013.01);
Abstract
The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.