Patents Examined by Margret Einsmann
  • 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