Patents by Inventor Juergen Friedrich Rudolph

Juergen Friedrich Rudolph 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).

  • Patent number: 9850603
    Abstract: A nonwoven fabric comprising a meltspun fiber of a lignin compound. Also claimed a laminated fabric comprising the nonwoven fabric, a nonwoven fabric product comprising the nonwoven fabric, a structured multicomponent fiber comprising a lignin compound, a web comprising a meltspun fiber of a lignin compound and a method of producing a nonwoven fabric by forming a web of meltspun fiber comprising a lignin compound and bonding at least a portion of the fiber in the web to form the nonwoven fabric.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: December 26, 2017
    Assignees: Fitesa Simpsonville, Inc., Fitesa Germany GmbH
    Inventors: David Dudley Newkirk, Juergen Friedrich Rudolph, Helmut Hartl
  • Publication number: 20140087618
    Abstract: A nonwoven fabric comprising a meltspun fibre of a lignin compound. Also claimed a laminated fabric comprising the nonwoven fabric, a nonwoven fabric product comprising the nonwoven fabric, a structured multicomponent fibre comprising a lignin compound, a web comprising a meltspun fibre of a lignin compound and a method of producing a nonwoven fabric by forming a web of meltspun fibre comprising a lignin compound and bonding at least a portion of the fibre in the web to form the nonwoven fabric.
    Type: Application
    Filed: October 19, 2011
    Publication date: March 27, 2014
    Applicant: FITESA NONWOVEN, INC.
    Inventors: David Dudley Newkirk, Juergen Friedrich Rudolph, Helmut Hartl
  • Publication number: 20120309249
    Abstract: The invention provides a multi-layer fabric which is comprised of a first layer and a second layer which are adhered to each other, wherein the first layer comprises an elastic fabric of fibers of a polyolefin material which elastic fabric has an ultimate elongation of at least 500%; and wherein the second layer comprises a bonded nonwoven fabric of polyolefin staple fibers in which fiber-to-fiber bonds are present, which nonwoven fabric has an elongation in the cross machine direction of at least 130%, and wherein the polyolefin staple fibers have an elongation of at least 350%. The invention further provides processes for making the multi-layer fabric, an article or article component comprising the multi-layer component, and the use of the multi-layer fabric in diaper or training pant applications.
    Type: Application
    Filed: April 11, 2012
    Publication date: December 6, 2012
    Inventors: Stephen John Von Bokern, Juergen Friedrich Rudolph, Daniel Alexander Dayan