Patents by Inventor Andreas SCHERWITZKI

Andreas SCHERWITZKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for producing 2-halogen-acrylic acid esters
    Patent number: 10125085
    Abstract: The present invention relates to a process for preparing 2-haloacrylic esters from 2-hydroxymethyl- or 2-halomethyl- or 2-chlorosulfinyloxymethyl-2-halomalonic diesters. The invention further provides novel 2-halomethyl-2-halomalonic diesters or 2-chlorosulfinyloxymethyl-2-halomalonic diesters which can be used for preparation of the 2-haloacrylic esters.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: November 13, 2018
    Assignee: Saltigo GmbH
    Inventors: Karsten Von Dem Bruch, Andreas Scherwitzki
  • METHOD FOR PRODUCING 2-HALOGEN-ACRYLIC ACID ESTERS
    Publication number: 20170197905
    Abstract: The present invention relates to a process for preparing 2-haloacrylic esters from 2-hydroxymethyl- or 2-halomethyl- or 2-chlorosulfinyloxymethyl-2-halomalonic diesters. The invention further provides novel 2-halomethyl-2-halomalonic diesters or 2-chlorosulfinyloxymethyl-2-halomalonic diesters which can be used for preparation of the 2-haloacrylic esters.
    Type: Application
    Filed: June 17, 2015
    Publication date: July 13, 2017
    Applicant: SALTIGO GMBH
    Inventors: Karsten VON DEM BRUCH, Andreas SCHERWITZKI