Patents by Inventor Robert L. Pekrul

Robert L. Pekrul 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).

  • Methods of improving the softness of fibers and nonwoven webs and fibers and nonwoven webs having improved softness
    Publication number: 20040005457
    Abstract: The present invention provides a method for producing softer fibers and nonwoven webs that includes forming a mixture comprising (i) a thermoplastic and (ii) an additive selected from the group consisting of polyethylene waxes, glyceryl monostearate, sorbitan tristearate, CATALLOY KS357 MONTELL polyolefin resin, an amide having the chemical structure CH3(CH2)7CH═CH(CH2)xCONH2 where x is selected from 5-15 and mixtures thereof; forming the mixture into fibers and optionally creating a nonwoven web.
    Type: Application
    Filed: July 3, 2002
    Publication date: January 8, 2004
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Mary Lucille DeLucia, Xin Ning, Jaime Braverman, Eric Mitchell Johns, David M. Schertz, Robert L. Pekrul, Robert L. Hudson, Soo Gyung Jung, JeaSeung Chin, Kue Young You, Kyung Hee Cho, Jin Hee Lee