Patents Assigned to Shangdong Fuyin Paper & Environmental Protection Technology Co., Ltd.
  • Patent number: 8303772
    Abstract: Provided is an unbleached paper product made from grass type pulp, the unbleached paper product has a brightness of 35-60% ISO, the grass type pulp is unbleached. The unbleached paper product includes an unbleached toilet paper, an unbleached hand towel, an unbleached wiping paper, an unbleached duplicating paper, an unbleached meal container, an unbleached food wrapping paper and an unbleached printing paper. The paper products have a high intensity and have no detection of dioxin and absorbable organic halides in the harmful substance detection test.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: November 6, 2012
    Assignee: Shangdong Fuyin Paper & Environmental Protection Technology Co., Ltd.
    Inventors: Hongfa Li, Mingxin Song, Jihui Yang, Yanjin Bi, Jinxiang Xu