Patents by Inventor Shengmin Su

Shengmin Su 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).

  • Process for the manufacture of 4-aminobenzoamidine dihydrochloride
    Patent number: 10280133
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 7, 2019
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Weitong Dong, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
  • Process for the preparation of (r)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1h-purine-2,6-dione
    Patent number: 10253026
    Abstract: This invention relates to a method for preparation of a xanthine-based compound of formula (I): as well as to intermediates useful in such preparation.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 9, 2019
    Assignee: Boenringer Ingelheim International GmbH
    Inventors: Weitong Dong, Yao Huang, Shengmin Su, Yongfen Sun, Pengtao Zhang
  • NOVEL PROCESS FOR THE MANUFACTURE OF 4-AMINOBENZOAMIDINE DIHYDROCHLORIDE
    Publication number: 20180319735
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 8, 2018
    Inventors: Weitong DONG, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
  • Process for the manufacture of 4-aminobenzoamidine dihydrochloride
    Patent number: 10040750
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: August 7, 2018
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Weitong Dong, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
  • PROCESS FOR THE PREPARATION OF A XANTHINE-BASED COMPOUND
    Publication number: 20180179207
    Abstract: This invention relates to a method for preparation of a xanthine-based compound, as well as to intermediates useful in such preparation.
    Type: Application
    Filed: June 24, 2016
    Publication date: June 28, 2018
    Inventors: Weitong DONG, Yao HUANG, Shengmin SU, Yongfen SUN, Pengtao ZHANG
  • NOVEL PROCESS FOR THE MANUFACTURE OF 4-AMINOBENZOAMIDINE DIHYDROCHLORIDE
    Publication number: 20160297744
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 13, 2016
    Inventors: Weitong DONG, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
  • Process for the manufacture of 4-aminobenzoamidine dihydrochloride
    Patent number: 9399616
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: July 26, 2016
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Weitong Dong, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang
  • NOVEL PROCESS FOR THE MANUFACTURE OF 4-AMINOBENZOAMIDINE DIHYDROCHLORIDE
    Publication number: 20140114089
    Abstract: The present invention relates to a process for the preparation of 4-aminobenzoamidine (4-AMBA) salts of general formula (I) preferably the salts thereof with hydrochloric or hydrobromic acid, particularly preferred the dichloride salt.
    Type: Application
    Filed: October 16, 2013
    Publication date: April 24, 2014
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Weitong DONG, Christian Wolfgang Hemp, Xiangle Jin, Jun Lu, Ulrich Scholz, Shengmin Su, Wei Xu, Jinsong Yang