Patents by Inventor Ronny W. Lin

Ronny W. Lin 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).

  • Synlube process
    Patent number: 4902846
    Abstract: C.sub.8-14 .alpha.-olefins are oligomerized to a oligomer mixture containing a high content of tetramer by feeding the .alpha.-olefin to a reaction vessel at a controlled rate over an extended period and in the presence of BF.sub.3 and a promoter such as an alcohol.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: February 20, 1990
    Assignee: Ethyl Corporation
    Inventors: Thomas J. DiLeo, Matthew J. Lynch, Marshall B. Nelson, Ronny W. Lin
  • Process for recovering cuprous iodide catalyst used in synthesis of (trifluoromethyl)napthalenes
    Patent number: 4824988
    Abstract: In a process for preparing a (trifluoromethyl)napthalene by reacting a halonapthalene with a trifluoroacetate in the presence of cuprous iodide and a dipolar aprotic solvent and separating out the inorganic ingredients of the final reaction mixture in the recovery of the product, the cuprous iodide is recovered by washing the separated inorganic ingredients with an alcohol and a carboxylic acid and then with water to purify the cuprous iodide.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: April 25, 1989
    Assignee: Ethyl Corporation
    Inventors: Ronny W. Lin, Venkataraman Ramachandran
  • Trifluoromethylation process
    Patent number: 4808748
    Abstract: Trifluoromethylaromatic compounds are prepared by reacting the corresponding aromatic bromide or iodide with potassium trifluoroacetate in the presence of cuprous iodide and a dipolar aprotic solvent.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: February 28, 1989
    Assignee: Ethyl Corporation
    Inventors: Ronny W. Lin, Robert I. Davidson