Patents by Inventor Gareth Rhys Collins

Gareth Rhys Collins 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).

  • Mixture of THP and a moderator to tan leather
    Patent number: 6827745
    Abstract: A mixture of THP and a moderator is used to tan leather. The moderator is selected from metaphosphates and polyhydroxy or polypyrolidyl compounds such as glycerol, carboxydrates PVA or PVP.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 7, 2004
    Assignee: Rhodia Consumer Specialties Limted
    Inventors: Christopher Raymond Jones, Gareth Rhys Collins, Robert Eric Talbot
  • Tanning leather
    Patent number: 6540790
    Abstract: Leather is tanned by cross-linking collagen with tris(hydroxymethyl)phosphine or a condensate of a tetrakis(hydroxymethyl)phosphonium salt with an amide or amine in a main tannage or retannage.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: April 1, 2003
    Assignee: Rhodia Consumer Specialties Limited
    Inventors: Gareth Rhys Collins, Christopher Raymond Jones, Robert Eric Talbot, Jane Williams, Mohsen Zakikhani
  • TANNING LEATHER
    Publication number: 20030000024
    Abstract: Leather is tanned by cross-linking collagen with tris(hydroxymethyl)phosphine or a condensate of a tetrakis(hydroxymethyl)phosphonium salt with an amide or amine in a main tannage or retannage.
    Type: Application
    Filed: April 14, 2000
    Publication date: January 2, 2003
    Inventors: GARETH RHYS COLLINS, CHRISTOPHER RAYMOND JONES, ROBERT ERIC TALBOT, JANE WILLIAMS, MOHSEN ZAKIKHANI