Patents by Inventor Don M. Barber

Don M. Barber 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).

  • Candle wax compositions stabilized with UV absorbers and select hindered amine light stabilizers
    Patent number: 10385213
    Abstract: A stabilized composition includes candle wax; an ultraviolet light absorber; and a hindered amine light stabilizer of formula (I). The compositions stabilize the candle with respect to yellowing, color fading in the case of dyed or pigmented candles, and other degradation of the waxes. The materials and compositions may be used in a wide variety of a candle waxes including, but not limited to, paraffin, beeswax, natural oils, polyamide plus fatty acids and esters thereof, fatty acids such as stearin, opacifiers, glycerides plus oxidized wax, alcohols, and ethylene oligomers.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: August 20, 2019
    Assignee: BASF SE
    Inventors: Mervin G. Wood, Diane T. Langer, Don M. Barber, Leo Devota
  • CANDLE WAX COMPOSITIONS STABILIZED WITH UV ABSORBERS AND SELECT HINDERED AMINE LIGHT STABILIZERS
    Publication number: 20180002527
    Abstract: A stabilized composition includes candle wax; an ultraviolet light absorber; and a hindered amine light stabilizer of formula (I). The compositions stabilize the candle with respect to yellowing, color fading in the case of dyed or pigmented candles, and other degradation of the waxes. The materials and compositions may be used in a wide variety of a candle waxes including, but not limited to, paraffin, beeswax, natural oils, polyamide plus fatty acids and esters thereof, fatty acids such as stearin, opacifiers, glycerides plus oxidized wax, alcohols, and ethylene oligomers.
    Type: Application
    Filed: December 31, 2015
    Publication date: January 4, 2018
    Applicant: BASF SE
    Inventors: Mervin G. Wood, Diane T. Langer, Don M. Barber, Leo Devota