Patents by Inventor Paul Wainwright

Paul Wainwright 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).

  • Composition for coating metal-working tools
    Patent number: 4243434
    Abstract: A composition for coating a metal-working tool to increase tool life, comprising graphite, molybdenum disulphide or other solid lubricant in an aqueous binder solution comprising a phosphate of aluminium, magnesium, zinc, calcium or other metal and preferably a chromate or dichromate as well.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: January 6, 1981
    Assignee: Rocol Limited
    Inventors: David Hartley, Michael D. Barrett, Paul Wainwright
  • Anaerobic adhesives
    Patent number: 4243791
    Abstract: An anaerobic adhesive comprising as a bond forming system a polymerizable aromatic-based acrylate monomer and a compatible liquid butadiene acrylonitrile copolymer, together with a latent initiator for the polymerization, said aromatic based acrylate monomer having the general formula ##STR1## where: Ar is a divalent aromatic residue;R.sub.1 and R.sub.2 represent hydrogen, alkyl, aryl, or hydroxyalkyl groups, or halogen; andR.sub.3 and R.sub.4 represent ##STR2## where m is an integer of from 1 to 20 and R.sub.5, R.sub.6, and R.sub.7 represent hydrogen, alkyl, or alkoxy groups, or halogen, the same or different.
    Type: Grant
    Filed: January 23, 1979
    Date of Patent: January 6, 1981
    Assignee: Rocol Limited
    Inventors: Keith Hargreaves, David Hartley, Paul Wainwright
  • Lubricant compositions
    Patent number: 4159252
    Abstract: A lubricant composition for use alone or in a lubricating base, comprising a finely divided carbonate of Group IIA metal and a halogenated organic lubricant.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: June 26, 1979
    Assignee: Rocol Limited
    Inventors: Paul Wainwright, Michael J. Green, Barry S. Charlston
  • Anaerobic adhesives consisting of polyalkoxy diacrylate ester of bisphenol a monomer and dimethylaminoethyl methacrylate monomer using hydroperoxide as catalyst
    Patent number: 3944521
    Abstract: Anaerobically curable compositions comprising a polyalkoxy diacrylate ester monomer in which the alcohol moiety contains an aromatic group, and a latent initiator for polymerisation, and comprising further an amino alcohol acrylate ester reactable with the monomer.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: March 16, 1976
    Assignee: Rocol Limited
    Inventors: Geoffrey Bradley, Keith Hargreaves, Paul Wainwright
  • Lubricant compositions
    Patent number: RE31611
    Abstract: A lubricant composition for use alone or in a lubricating base, comprising a finely divided carbonate of Group IIA metal and a halogenated organic lubricant.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: June 26, 1984
    Assignee: Rocol Limited
    Inventors: Paul Wainwright, Michael J. Green, Barry S. Charlston