Patents by Inventor John Nicholson Gardner

John Nicholson Gardner 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).

  • Preparation and use of magnesium acetylene complex
    Patent number: 4011271
    Abstract: Preparation of magnesium acetylene complex and its use in preparing ethynyl carbinols by reaction of said complex, alone or mixed with sodium acetylide, with an alpha, beta-unsaturated aldehyde or ketone.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: March 8, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventor: John Nicholson Gardner
  • Preparation and use of magnesium acetylene complex
    Patent number: 3985817
    Abstract: Preparation of magnesium acetylene complex and its use in preparing ethynyl carbinols.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: October 12, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventor: John Nicholson Gardner
  • Process for producing ethynylating agents
    Patent number: 3950446
    Abstract: An ethynylating agent formed from mixing an anhydrous magnesium compound with sodium acetylide and its use in preparing ethynyl carbinols.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: April 13, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: John Nicholson Gardner, George McClelland Whitesides