Patents by Inventor Carl David Turner

Carl David Turner 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).

  • Dihydroetorphines and their preparation
    Patent number: 10745406
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: August 18, 2020
    Assignee: EURO-CELTIQUE S.A.
    Inventors: Steve Whitelock, Deborah Phyllis Harding, Carl David Turner
  • Dihydroetorphines and Their Preparation
    Publication number: 20170267687
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Application
    Filed: October 28, 2016
    Publication date: September 21, 2017
    Applicant: EURO-CELTIQUE S.A.
    Inventors: Steve WHITELOCK, Deborah Phyllis HARDING, Carl David TURNER
  • Dihydroetorphines and their preparation
    Patent number: 9481681
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: November 1, 2016
    Assignee: EURO-CELTIQUE S.A.
    Inventors: Steve Whitelock, Deborah Phyllis Harding, Carl David Turner
  • DIHYDROETORPHINES AND THEIR PREPARATION
    Publication number: 20160115174
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Application
    Filed: October 28, 2015
    Publication date: April 28, 2016
    Applicant: EURO-CELTIQUE S.A.
    Inventors: Steve WHITELOCK, Deborah Phyllis HARDING, Carl David TURNER
  • Dihydroetorphines and their preparation
    Patent number: 9206190
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: December 8, 2015
    Assignee: EURO-CELTIQUE S.A.
    Inventors: Steve Whitelock, Deborah Phyllis Harding, Carl David Turner
  • Dihydroetorphines and Their Preparation
    Publication number: 20150133483
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Application
    Filed: August 29, 2014
    Publication date: May 14, 2015
    Inventors: Steve WHITELOCK, Deborah Phyllis HARDING, Carl David TURNER
  • Dihydroetorphines and Their Preparation
    Publication number: 20120010231
    Abstract: The present invention provides a process for the preparation of a compound of formula (VI), or a salt or derivative thereof, wherein R1 and R2 are independently C1-8 alkyl and * represents a stereocentre.
    Type: Application
    Filed: December 4, 2009
    Publication date: January 12, 2012
    Applicant: EURO-CELTIQUE S.A.
    Inventors: Steve Whitelock, Deborah Phyllis Harding, Carl David Turner