Patents by Inventor Zhen Biao Chen

Zhen Biao Chen 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: 9826760
    Abstract: This invention describes a collagen fiber reconstituted rawhide useful in the production of pet chews, and a method for making the same. Beginning materials include animal skins with hair, depilated limed splits and leftovers from the manufacture of rawhide pet chews. The materials are pretreated, ground, subjected to acid treatment to swell and separate the collagen fibers that comprise the animal hide, further ground into pulp, vacuum filtered, mixed with a dehydration agent that chemically shrinks the expanded fibers, drained, formed and dried into sheet and/or exposed to a cross-linking agent to increase the adhesive strength of the end product. Edible materials, including meats, may be added to the solution prior to draining, to enhance the nutritional value and palatability of the final product, and the reconstituted rawhide sheets may be bleached for appearance.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: November 28, 2017
    Assignee: WENZHOU PEIDI PET PRODUCTS CO., LTD.
    Inventors: Zhi Wen Ding, Zhen Biao Chen, Zhen Lu Chen
  • Publication number: 20150208695
    Abstract: This invention describes a collagen fiber reconstituted rawhide useful in the production of pet chews, and a method for making the same. Beginning materials include animal skins with hair, depilated limed splits and leftovers from the manufacture of rawhide pet chews. The materials are pretreated, ground, subjected to acid treatment to swell and separate the collagen fibers that comprise the animal hide, further ground into pulp, vacuum filtered, mixed with a dehydration agent that chemically shrinks the expanded fibers, drained, formed and dried into sheet and/or exposed to a cross-linking agent to increase the adhesive strength of the end product. Edible materials, including meats, may be added to the solution prior to draining, to enhance the nutritional value and palatability of the final product, and the reconstituted rawhide sheets may be bleached for appearance.
    Type: Application
    Filed: April 6, 2015
    Publication date: July 30, 2015
    Applicant: WENZHOU PEIDI PET PRODUCTS CO., LTD.
    Inventors: Zhi Wen Ding, Zhen Biao Chen, Zhen Lu Chen
  • Patent number: 9016241
    Abstract: This invention describes a collagen fiber reconstituted rawhide useful in the production of pet chews, and a method for making the same. Beginning materials include animal skins with hair, depilated limed splits and leftovers from the manufacture of rawhide pet chews. The materials are pretreated, ground, subjected to acid treatment to swell and separate the collagen fibers that comprise the animal hide, further ground into pulp, vacuum filtered, mixed with a dehydration agent that chemically shrinks the expanded fibers, drained, formed and dried into sheet and finally exposed to a cross-linking agent to increase the adhesive strength of the end product. Edible materials, including meats, may be added to the solution prior to draining, to enhance the nutritional value and palatability of the final product, and the reconstituted rawhide sheets may be bleached for appearance.
    Type: Grant
    Filed: July 18, 2011
    Date of Patent: April 28, 2015
    Assignee: Wenzhou Peidi Pet Products Co.
    Inventors: Zhi Wen Ding, Zhen Biao Chen, Zhen Lu Chen
  • Publication number: 20120055417
    Abstract: This invention describes a collagen fiber reconstituted rawhide useful in the production of pet chews, and a method for making the same. Beginning materials include animal skins with hair, depilated limed splits and leftovers from the manufacture of rawhide pet chews. The materials are pretreated, ground, subjected to acid treatment to swell and separate the collagen fibers that comprise the animal hide, further ground into pulp, vacuum filtered, mixed with a dehydration agent that chemically shrinks the expanded fibers, drained, formed and dried into sheet and finally exposed to a cross-linking agent to increase the adhesive strength of the end product. Edible materials, including meats, may be added to the solution prior to draining, to enhance the nutritional value and palatability of the final product, and the reconstituted rawhide sheets may be bleached for appearance.
    Type: Application
    Filed: July 18, 2011
    Publication date: March 8, 2012
    Applicant: WENZHOU PEIDI PET PRODUCTS CO., LTD.
    Inventors: Zhi Wen Ding, Zhen Biao Chen, Zhen Lu Chen