by chemical treatment

Patents Grantslast 30 patents

  • Information Patent Grant

    Medical nonwoven fabric, and preparation method thereof

    • Patent number 10,428,458
    • Issue date Oct 1, 2019
    • Korea Institute of Industrial Technology
    • Jung Nam Im
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for producing photographic paper

    • Patent number 4,435,248
    • Issue date Mar 6, 1984
    • Fuji Photo Film Co., Ltd.
    • Shun Arakawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of making thermoplastic hardboard from acetylated mat

    • Patent number 4,418,101
    • Issue date Nov 29, 1983
    • United States Gypsum Company
    • Cynthia B. House
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Thermoplastic hardboard from acetylated mat

    • Patent number 4,388,378
    • Issue date Jun 14, 1983
    • United States Gypsum Company
    • Cynthia B. House
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    3707692

    • Patent number 3,707,692
    • Issue date Dec 26, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3549789

    • Patent number 3,549,789
    • Issue date Dec 22, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3529925

    • Patent number 3,529,925
    • Issue date Sep 22, 1970
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3503700

    • Patent number 3,503,700
    • Issue date Mar 31, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3467575

    • Patent number 3,467,575
    • Issue date Sep 16, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3447956

    • Patent number 3,447,956
    • Issue date Jun 3, 1969
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3392084

    • Patent number 3,392,084
    • Issue date Jul 9, 1968
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3216780

    • Patent number 3,216,780
    • Issue date Nov 9, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3216779

    • Patent number 3,216,779
    • Issue date Nov 9, 1965
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    2971877

    • Patent number 2,971,877
    • Issue date Feb 14, 1961
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2905585

    • Patent number 2,905,585
    • Issue date Sep 22, 1959
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2869973

    • Patent number 2,869,973
    • Issue date Jan 20, 1959
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2647816

    • Patent number 2,647,816
    • Issue date Aug 4, 1953
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    2389254

    • Patent number 2,389,254
    • Issue date Nov 20, 1945
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2018244

    • Patent number 2,018,244
    • Issue date Oct 22, 1935
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1544744

    • Patent number 1,544,744
    • Issue date Jul 7, 1925
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1379156

    • Patent number 1,379,156
    • Issue date May 24, 1921
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1379155

    • Patent number 1,379,155
    • Issue date May 24, 1921
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents