Chip soaking

Patents Grantslast 30 patents

  • Information Patent Grant

    Feeding system of feeding a cellulose material

    • Patent number 6,120,646
    • Issue date Sep 19, 2000
    • Kvaerner Pulping AB
    • Vidar Martin Snekkenes
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Waste recovery and utilization in the kraft recovery process

    • Patent number 5,820,830
    • Issue date Oct 13, 1998
    • The Babcock & Wilcox Company
    • Robert A. McIlroy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process and apparatus for producing pulp

    • Patent number 4,556,452
    • Issue date Dec 3, 1985
    • Simmering-Graz-Pauker Aktiengesellschaft
    • Augustin Raggam
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for controlling the alkalinity of feed circulation when preh...

    • Patent number 4,456,750
    • Issue date Jun 26, 1984
    • A. Ahlstrom Osakeyhtio
    • Tapani Marttala
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process and apparatus for producing pulp

    • Patent number 4,451,331
    • Issue date May 29, 1984
    • Simmering-Graz-Pauker Aktiengesellschaft
    • Augustin Raggam
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for making refiner mechanical pulp

    • Patent number 4,259,148
    • Issue date Mar 31, 1981
    • The Price Company Limited
    • Laurence R. Beath
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for the continuous impregnation of a cellulosic material

    • Patent number 4,214,947
    • Issue date Jul 29, 1980
    • Creusot-Loire
    • Pierre Berger
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for preparing chemical cellulose according to the sulfite p...

    • Patent number 4,141,787
    • Issue date Feb 27, 1979
    • PWA Papierwerke Waldhof-Aschaffenburg Aktiengesellschaft
    • Reinhold Schadler
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of pulping with polysulfide

    • Patent number 4,130,457
    • Issue date Dec 19, 1978
    • Union Camp Corporation
    • Richard G. Barker
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Selective impregnation of heterogenous fiber material before digestion

    • Patent number 4,092,212
    • Issue date May 30, 1978
    • Kamyr Aktiebolag
    • Johan C. F. C. Richter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method and apparatus for impregnation of fiber material by pressure...

    • Patent number 4,057,461
    • Issue date Nov 8, 1977
    • Kamyr Aktiebolag
    • Johan C. F.C. Richter
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3834983

    • Patent number 3,834,983
    • Issue date Sep 10, 1974
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3695994

    • Patent number 3,695,994
    • Issue date Oct 3, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2985236

    • Patent number 2,985,236
    • Issue date May 23, 1961
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2956918

    • Patent number 2,956,918
    • Issue date Oct 18, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2899350

    • Patent number 2,899,350
    • Issue date Aug 11, 1959
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2599572

    • Patent number 2,599,572
    • Issue date Jun 10, 1952
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2583994

    • Patent number 2,583,994
    • Issue date Jan 29, 1952
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2542801

    • Patent number 2,542,801
    • Issue date Feb 20, 1951
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1903962

    • Patent number 1,903,962
    • Issue date Apr 18, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1904894

    • Patent number 1,904,894
    • Issue date Apr 18, 1933
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1880043

    • Patent number 1,880,043
    • Issue date Sep 27, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1859848

    • Patent number 1,859,848
    • Issue date May 24, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1857985

    • Patent number 1,857,985
    • Issue date May 10, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1848780

    • Patent number 1,848,780
    • Issue date Mar 8, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1846944

    • Patent number 1,846,944
    • Issue date Feb 23, 1932
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1830421

    • Patent number 1,830,421
    • Issue date Nov 3, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1810398

    • Patent number 1,810,398
    • Issue date Jun 16, 1931
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1781712

    • Patent number 1,781,712
    • Issue date Nov 18, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    1773419

    • Patent number 1,773,419
    • Issue date Aug 19, 1930
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE