Patents by Inventor Fleming H. Day

Fleming H. Day 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).

  • Neat oil finish with high lubricant content
    Patent number: 5370804
    Abstract: A lubricating finish composition and synthetic filaments coated with the composition. The composition of the invention comprises: about 80 to about 99 weight percent lubricant; and about 1 to about 20 weight percent sodium or potassium alkali metal salt of a branched or unbranched aliphatic monocarboxylic acid having at least 8 carbon atoms. The finish composition is a liquid at a temperature below about 150.degree. C.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: December 6, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Fleming H. Day
  • Low fume finish for wet air-jet texturing
    Patent number: 5350529
    Abstract: A lubricating finish composition suitable for application as a water emulsion to synthetic filaments and synthetic filaments coated with the composition. The composition of the invention comprises:about 60 to about 98.9 weight percent nonionic emulsifier having a melting point less than about 25.degree. C.;about 1 to about 39.9 weight percent lubricant having at least 29 carbon atoms and a melting point less than about 25.degree. C.; andabout 0.1 to about 15 weight percent anionic surfactant.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: September 27, 1994
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Fleming H. Day
  • Dip penetration regulators for tire yarns
    Patent number: 5096778
    Abstract: A polyamide yarn having on the surface of the polyamide yarn a hydrophobic organic ester dip penetration regulator having a melting point greater than 27.degree. C. and convertible by conventional means into a tire cord having low stiffness and high air permeability and a process for making polymeric tire yarns is disclosed.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: March 17, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Walter R. Andrews, Jr., Fleming H. Day
  • Low temperature finish
    Patent number: 4946375
    Abstract: A polyamide yarn especially suitable as a tire yarn having 0.2-2.0 wt. % of a finish, said finish consisting essentially of 50-95 wt. % lubricants having a melting point not greater than about 12.degree. C., wherein at least 40 wt. % of the lubricants is pentaerythritol tetrapelargonate, 5-50 wt. % of the finish is sorbitan triester adduct with 10-30 moles ethylene oxide, 0-5 wt. % of the finish is antioxidant and 0-2 wt. % of finish is a polysiloxane.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: August 7, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Fleming H. Day
  • Di-tridecyl sebacate tire yarn finish
    Patent number: 4920003
    Abstract: A fiber finish especially suitable for tire yarns having 50-95% lubricants with at least 40% of the lubricants comprising ditridecyl sebacate and the yarns containing the finish are disclosed.
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: April 24, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Fleming H. Day
  • Process for making a tire cord using yarns containing a dip penetration regulator
    Patent number: 4900496
    Abstract: A polyamide yarn having on the surface of the polyamide yarn a hydrophobic organic ester dip penetration regulator having a melting point greater than 27.degree. C. and convertible by conventional means into a tire cord having low stiffness and high air permeability and a process for making polymeric tire yarns is disclosed.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: February 13, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Walter R. Andrews, Jr., Fleming H. Day