Patents by Inventor Denis John Smit

Denis John Smit 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).

  • ALIPHATIC DICARBOXLIC ACID MIXTURE FORMULATION
    Publication number: 20150299867
    Abstract: A novel mixture composition comprising various aliphatic dicarboxylic acids is provided. Further, a composition comprising the aliphatic dicarboxylic acid mixture composition, water and at least one water-soluble organic amine is provided. Further, a method for inhibiting corrosion of metal surfaces comprising contacting the metal with the composition comprising the aliphatic dicarboxylic acid mixture composition as above, water and at least one water-soluble organic amine is provided.
    Type: Application
    Filed: August 1, 2013
    Publication date: October 22, 2015
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventors: James Michael GARNER, Jian SHEN, Denis John SMIT, Edward A. SULLIVAN
  • Thickened grease composition
    Patent number: 9029307
    Abstract: A thickened grease composition is provided by process of heating a mineral oil and 12-hydroxystearic acid with lithium hydroxide and forming a simple lithium grease to which at least one component selected from the group comprising succinic acid, glutaric acid, adipic acid, 6-hydroxycaproic acid, dimethyl succinate, dimethyl glutarate, dimethyl adipate, methyl hydroxycaproate, cyclohexanediols, methyl 5-hydroxyvalerate, methyl valerate, gamma butyrolactone, and methyl levulinate or mixtures thereof.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: May 12, 2015
    Assignee: INVISTA North America S.a r.l.
    Inventors: Richard P. Beatty, Denis John Smit
  • THICKENED GREASE COMPOSITION
    Publication number: 20140303052
    Abstract: A thickened grease composition is provided by process of heating a mineral oil and 12-hydroxystearic acid with lithium hydroxide and forming a simple lithium grease to which at least one component selected from the group comprising succinic acid, glutaric acid, adipic acid, 6-hydroxycaproic acid, dimethyl succinate, dimethyl glutarate, dimethyl adipate, methyl hydroxycaproate, cyclohexanediols, methyl 5-hydroxyvalerate, methyl valerate, gamma butyrolactone, and methyl levulinate or mixtures thereof.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 9, 2014
    Applicant: INVISTA NORTH AMERICA S.A.R.L.
    Inventors: Richard P. Beatty, Denis John Smit