Conserving the bleached pulp

Industry

CPC
D21C9/1047

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C9/00After-treatment of cellulose pulp

Current Industry

D21C9/1047Conserving the bleached pulp

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Light-stable and process-stable lignocellulosic materials and their...
- Patent number 7,384,504
- Issue date Jun 10, 2008
- FPInnovations
- Thomas Q. Hu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bleaching and brightness stabilization of lignocellulosic materials...
- Patent number 7,285,181
- Issue date Oct 23, 2007
- FPInnovations
- Thomas Qiuxiong Hu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for making carboxylated pulp fibers
- Patent number 7,001,483
- Issue date Feb 21, 2006
- Weyerhaeuser Company
- David E. Severeid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for bleaching mechanical pulp with hydrogen peroxide and an...
- Patent number 6,632,328
- Issue date Oct 14, 2003
- Queen's University at Kingston
- Jeffrey K. -S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of bleaching with formamidine sulfinic acid using a reducing...
- Patent number 6,428,653
- Issue date Aug 6, 2002
- West Fraser Timber Co. Ltd.
- Richard C. Denton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preparation of brightness stabilization agent for lignin containing...
- Patent number 6,193,837
- Issue date Feb 27, 2001
- Midwest Research Institute
- Foster A. Agblevor
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of reducing brightness reversion and yellowness (B*) of blea...
- Patent number 6,059,927
- Issue date May 9, 2000
- Queen's University at Kingston
- Jeffrey K.-S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for increasing brightness in pulp paper and polymeric materials
- Patent number 6,030,495
- Issue date Feb 29, 2000
- Queens's University at Kingston
- Jeffrey K. S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for reducing thermal and light-induced brightness reversion...
- Patent number 5,443,634
- Issue date Aug 22, 1995
- The Research Foundation of the State University of New York
- Raymond C. Francis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for reducing thermal and light-induced brightness reversion...
- Patent number 5,360,515
- Issue date Nov 1, 1994
- The Research Foundation of the State University of New York
- Raymond C. Francis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for reducing brightness reversion in lignin-containing pulps...
- Patent number 5,080,754
- Issue date Jan 14, 1992
- The Research Foundation of State University of NY
- Raymond C. Francis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for stabilization of the viscosity of wood pulps
- Patent number 5,073,301
- Issue date Dec 17, 1991
- Degussa Aktiengesellschaft
- Hans U. Suess
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for treating bleached lignin containing cellulose pulp by re...
- Patent number 5,035,772
- Issue date Jul 30, 1991
- Mooch Domsjo AB
- Roland A. Agnemo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Enhanced dithionite bleaching
- Patent number 4,871,423
- Issue date Oct 3, 1989
- Hoechst Celanese Corporation
- S. Allen Grimsley
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Tin compounds for brightness improvement of jack pine ultra
- Patent number 4,549,929
- Issue date Oct 29, 1985
- Abitibi-Price Inc.
- Ching-Hua Tay
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pulp refining process and additive therefor
- Patent number 4,383,889
- Issue date May 17, 1983
- Nalco Chemical Company
- James A. Hyde
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Bleaching of cellulosic pulp fibers with chlorine dioxide in the pr...
- Patent number 4,039,374
- Issue date Aug 2, 1977
- Union Camp Corporation
- Howard Deutsch
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3284283
- Patent number 3,284,283
- Issue date Nov 8, 1966
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3017316
- Patent number 3,017,316
- Issue date Jan 16, 1962
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2822236
- Patent number 2,822,236
- Issue date Feb 4, 1958
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2514503
- Patent number 2,514,503
- Issue date Jul 11, 1950
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCTION OF CELLULOSE NANOFIBERS FROM MISCANTHUS X. G...
- Publication number 20230313455
- Publication date Oct 5, 2023
- The University of Chicago
- Stuart J. ROWAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...
- Publication number 20110303372
- Publication date Dec 15, 2011
- The University of British Columbia
- Rodger R. BEATSON
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Methods for improving discoloration resistance of pulp and pulp imp...
- Publication number 20060207732
- Publication date Sep 21, 2006
- Shoichi Miyawaki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Light-stable and process-stable lignocellulosic materials and their...
- Publication number 20050269049
- Publication date Dec 8, 2005
- Pulp and Paper Research Institute of Canada
- Thomas Q. Hu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods for making carboxylated pulp fibers
- Publication number 20050028953
- Publication date Feb 10, 2005
- David E. Severeid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Apparatus for making carboxylated pulp fibers
- Publication number 20050028952
- Publication date Feb 10, 2005
- David E. Severeid
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Bleaching and brightness stabilization of lignocellulosic materials...
- Publication number 20040173328
- Publication date Sep 9, 2004
- Thomas Qiuxiong Hu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for bleaching mechanical pulp
- Publication number 20020144796
- Publication date Oct 10, 2002
- Jeffrey K.-S. Wan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Bleaching process
- Publication number 20020104627
- Publication date Aug 8, 2002
- Richard C. Denton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Light-stable lignocellulosic materials and their production
- Publication number 20020056534
- Publication date May 16, 2002
- Hu Q. Thomas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Conserving the bleached pulp

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Light-stable and process-stable lignocellulosic materials and their...

Bleaching and brightness stabilization of lignocellulosic materials...

Apparatus for making carboxylated pulp fibers

Method for bleaching mechanical pulp with hydrogen peroxide and an...

Method of bleaching with formamidine sulfinic acid using a reducing...

Preparation of brightness stabilization agent for lignin containing...

Method of reducing brightness reversion and yellowness (B*) of blea...

Method for increasing brightness in pulp paper and polymeric materials

Method for reducing thermal and light-induced brightness reversion...

Method for reducing thermal and light-induced brightness reversion...

Method for reducing brightness reversion in lignin-containing pulps...

Process for stabilization of the viscosity of wood pulps

Method for treating bleached lignin containing cellulose pulp by re...

Enhanced dithionite bleaching

Tin compounds for brightness improvement of jack pine ultra

Pulp refining process and additive therefor

Bleaching of cellulosic pulp fibers with chlorine dioxide in the pr...

3284283

3017316

2822236

2514503

Patents Applicationslast 30 patents

PROCESS FOR PRODUCTION OF CELLULOSE NANOFIBERS FROM MISCANTHUS X. G...

PROCESS FOR REDUCING SPECIFIC ENERGY DEMAND DURING REFINING OF THER...

Methods for improving discoloration resistance of pulp and pulp imp...

Light-stable and process-stable lignocellulosic materials and their...

Methods for making carboxylated pulp fibers

Apparatus for making carboxylated pulp fibers

Bleaching and brightness stabilization of lignocellulosic materials...

Method for bleaching mechanical pulp

Bleaching process

Light-stable lignocellulosic materials and their production