Patents by Inventor Abeysinghe Arrachchigae Papmapiya

Abeysinghe Arrachchigae Papmapiya 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).

  • Series of Skin-Whitening (Lightening) Compounds
    Publication number: 20230399282
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: August 28, 2023
    Publication date: December 14, 2023
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of skin-whitening (lightening) compounds
    Patent number: 11739040
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: August 29, 2023
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of Skin-Whitening (Lightening) Compounds
    Publication number: 20210188751
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 24, 2021
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of skin whitening (lightening) compounds
    Patent number: 10941098
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: March 9, 2021
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of Skin Whitening (Lightening) Compounds
    Publication number: 20190233359
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: April 10, 2019
    Publication date: August 1, 2019
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of skin whitening (lightening) compounds
    Patent number: 10259764
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 16, 2019
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of Skin Whitening (Lightening) Compounds
    Publication number: 20170275224
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: June 12, 2017
    Publication date: September 28, 2017
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • Series of skin-whitening (lightening) compounds
    Patent number: 9682910
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: June 20, 2017
    Assignee: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya
  • SERIES OF SKIN-WHITENING (LIGHTENING) COMPOUNDS
    Publication number: 20160083322
    Abstract: The present invention is directed to inhibitors of tyrosinase, pharmaceutical compositions comprising such tyrosinase inhibitors, and methods of making and using the same. Specifically, included in the present invention are compositions of matter comprised of at least one 2,4-dihydroxybenzene analog, which inhibit the activity of tyrosinase and which inhibit the overproduction of melanin.
    Type: Application
    Filed: June 25, 2015
    Publication date: March 24, 2016
    Applicant: Unigen, Inc.
    Inventors: Sandip K. Nandy, Jiyun Liu, Alexandre Mikhailovitch Nesterov, Carmen Hertel, Abeysinghe Arrachchigae Papmapiya