Patents by Inventor Dawen Kou

Dawen Kou 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).

  • Publication number: 20230339957
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro- [3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton’s tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 26, 2023
    Applicant: Genentech, Inc.
    Inventors: Chen MAO, Dawen KOU, Po-Chang CHIANG
  • Publication number: 20220267340
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton's tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 25, 2022
    Applicant: Genentech, Inc.
    Inventors: Chen MAO, Dawen KOU, Po-Chang CHIANG
  • Patent number: 11365197
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton's tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: June 21, 2022
    Assignee: Genentech, Inc.
    Inventors: Chen Mao, Dawen Kou, Po-Chang Chiang
  • Publication number: 20200299301
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton's tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 24, 2020
    Applicant: Genentech, Inc.
    Inventors: Chen MAO, Dawen KOU, Po-Chang CHIANG
  • Publication number: 20190177331
    Abstract: The invention relates generally crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one that is an inhibitor of Bruton's tyrosine kinase. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: February 11, 2019
    Publication date: June 13, 2019
    Inventors: Chen Mao, Dawen Kou, Po-Chang Chiang
  • Patent number: 10246461
    Abstract: The invention relates generally to pharmaceutical tablet compositions comprising fumaric acid and the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one free base that is an inhibitor of Bruton's tyrosine kinase. The invention further relates to amorphous solid dispersions comprising at least one polymer and the Bruton's kinase inhibitor free base compound. The invention further relates to crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the Bruton's kinase inhibitor free base compound. In some aspects, the crystalline salts are single polymorphs.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 2, 2019
    Assignee: Genentech, Inc.
    Inventors: Chen Mao, Dawen Kou, Po-Chang Chiang
  • Publication number: 20180251462
    Abstract: The invention relates generally to pharmaceutical tablet compositions comprising fumaric acid and the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one free base that is an inhibitor of Bruton's tyrosine kinase. The invention further relates to amorphous solid dispersions comprising at least one polymer and the Bruton's kinase inhibitor free base compound. The invention further relates to crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the Bruton's kinase inhibitor free base compound. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: February 27, 2017
    Publication date: September 6, 2018
    Inventors: Chen Mao, Dawen Kou, Po-Chang Chiang
  • Publication number: 20170247381
    Abstract: The invention relates generally to pharmaceutical tablet compositions comprising fumaric acid and the compound (S)-2-(3?-(hydroxymethyl)-1-methyl-5-((5-(2-methyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydro-[3,4?-bipyridin]-2?-yl)-7,7-dimethyl-2,3,4,6,7,8-hexahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-1-one free base that is an inhibitor of Bruton's tyrosine kinase. The invention further relates to amorphous solid dispersions comprising at least one polymer and the Bruton's kinase inhibitor free base compound. The invention further relates to crystalline mesylate salts, crystalline chloride salts and crystalline sulfate salts of the Bruton's kinase inhibitor free base compound. In some aspects, the crystalline salts are single polymorphs.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Inventors: Chen Mao, Dawen Kou, Po-Chang Chiang