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, 2019
Filed:
Jul. 24, 2017
Applicant:
Schulke & Mayr Gmbh, Norderstedt, DE;
Inventors:
Wolfgang Beilfuss, Hamburg, DE;
Ralf Gradtke, Tornesch, DE;
Jennifer Knopf, Hamburg, DE;
Klaus Weber, Hamburg, DE;
Assignee:
VINK CHEMICALS GMBH & CO. KG, Kakenstorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 413/04 (2006.01); C07C 215/08 (2006.01); C07C 47/04 (2006.01); B01D 53/14 (2006.01); C07D 233/02 (2006.01); B01D 53/48 (2006.01); C08G 12/06 (2006.01); B01D 53/78 (2006.01);
U.S. Cl.
CPC ...
C07D 413/04 (2013.01); B01D 53/1468 (2013.01); B01D 53/48 (2013.01); B01D 53/78 (2013.01); C07C 47/04 (2013.01); C07C 215/08 (2013.01); C07D 233/02 (2013.01); C08G 12/06 (2013.01); B01D 2252/20484 (2013.01); B01D 2252/502 (2013.01); B01D 2257/304 (2013.01); B01D 2257/306 (2013.01);
Abstract
Disclosed is a storage-stable condensation product prepared from 1-amino-2-propanol and formaldehyde in a molar ratio in the range from 1:2.0 to 1:3.1. The condensation product contains less than 10% by weight of water. Also, disclosed is the preparation of the condensation product and the use thereof for reducing the amount of hydrogen sulphide in liquids and gases.