Patents by Inventor Robert Wen Ming DAVIDSON

Robert Wen Ming DAVIDSON 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 PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF
    Publication number: 20210340156
    Abstract: The present application relate to crystalline azide compound of formula (II) which is used as an intermediate for the preparation of halichondrin B analogues such as eribulin or pharmaceutically acceptable salts thereof. The present application also covers purification process of azide compound of formula (II) and its further conversion to eribulin or a pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: October 4, 2019
    Publication date: November 4, 2021
    Inventors: Graham Andrew MEEK, Philip Mark JACKSON, Thomas MAHONEY, Pieter David DE KONING, Robert Wen Ming DAVIDSON, Christopher James COBLEY, David Andrew CHAPLIN, Helen SAMUEL, Achanta SRINIVAS, Kurella SRINIVAS, Madaraboina MAHENDER
  • PROCESS FOR PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF
    Publication number: 20190276470
    Abstract: The present application relate to process for preparation of tetrahydrofuran compound of formula II, 4-Methylene tetrahydrofuran compound of formula V and tetrahydropyran compound of formula IX which are useful as intermediates for the preparation of halichondrin B analogues such as Eribulin or its pharmaceutically acceptable salts.
    Type: Application
    Filed: November 23, 2017
    Publication date: September 12, 2019
    Inventors: Michael Charles LLOYD, Pallavi RAO, Vishnu Vardhana Vema Reddy EDA, Srinivas ORUGANTI, Kumar SARVESH, Debjit BASU, Raja gopal PENUMANDLA, Prapulla Kumar PALVAI, Amit Kumar MANDAL, Vilas Hareshwar DAHANUKAR, Graham Andrew MEEK, Sarah Ann WARREN, Martin Edward FOX, Robert Wen Ming DAVIDSON