Roger O. Campbell

Person

Auburn, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Refiner bleaching with magnesium oxide and hydrogen peroxide
- Patent number 6,881,299
- Issue date Apr 19, 2005
- North American Paper Corporation
- Anthony Parrish
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High temperature peroxide bleaching of mechanical pulps
- Patent number 6,743,332
- Issue date Jun 1, 2004
- Weyerhaeuser Company
- Kaaren K. Haynes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing paper and absorbent products of increased str...
- Patent number 6,719,880
- Issue date Apr 13, 2004
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Chemical wood pulping process with reduced pitch and VOC emissions
- Patent number 6,641,699
- Issue date Nov 4, 2003
- Weyerhauser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing a wood pulp having reduced pitch content and...
- Patent number 6,364,999
- Issue date Apr 2, 2002
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composite wood products prepared from solvent extracted wood partic...
- Patent number 6,075,076
- Issue date Jun 13, 2000
- North American Paper Corporation
- Jerry R. Speaks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pretreatment of wood particulates for removal of wood extractives
- Patent number 5,698,667
- Issue date Dec 16, 1997
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composite wood products from solvent extracted wood raw materials
- Patent number 5,665,798
- Issue date Sep 9, 1997
- North Pacific Paper Corporation
- Jerry R. Speaks
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
Enzymatic treatment of pulp
- Publication number 20080160514
- Publication date Jul 3, 2008
- Weyerhaeuser Co.
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
System and a method for extracting wax from pulp fibers and paper p...
- Publication number 20070227945
- Publication date Oct 4, 2007
- Roger O. Campbell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
System and a method for extracting wax from pulp fibers and paper p...
- Publication number 20070227944
- Publication date Oct 4, 2007
- Roger O. Campbell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Method for removal of metals from a bleach plant filtrate stream
- Publication number 20070000628
- Publication date Jan 4, 2007
- James E. Sealey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Refiner bleaching with magnesium oxide and hydrogen peroxide
- Publication number 20040112557
- Publication date Jun 17, 2004
- Weyerhaeuser Company
- Anthony Parrish
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Paper and absorbent products with reduced pitch content
- Publication number 20030192660
- Publication date Oct 16, 2003
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
High temperature peroxide bleaching of mechanical pulps
- Publication number 20020189021
- Publication date Dec 19, 2002
- Weyerhaeuser Company
- Kaaren K. Haynes
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Chemical wood pulping process with reduced VOC emissions
- Publication number 20020069981
- Publication date Jun 13, 2002
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for producing paper and absorbent products of increased str...
- Publication number 20020069982
- Publication date Jun 13, 2002
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Paper and absorbent products with reduced pitch content
- Publication number 20020062935
- Publication date May 30, 2002
- Weyerhaeuser Company
- Jerry R. Speaks
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Roger O. Campbell

Person

Patents Grantslast 30 patents

Refiner bleaching with magnesium oxide and hydrogen peroxide

High temperature peroxide bleaching of mechanical pulps

Process for producing paper and absorbent products of increased str...

Chemical wood pulping process with reduced pitch and VOC emissions

Process for producing a wood pulp having reduced pitch content and...

Composite wood products prepared from solvent extracted wood partic...

Pretreatment of wood particulates for removal of wood extractives

Composite wood products from solvent extracted wood raw materials

Patents Applicationslast 30 patents

Enzymatic treatment of pulp

System and a method for extracting wax from pulp fibers and paper p...

System and a method for extracting wax from pulp fibers and paper p...

Method for removal of metals from a bleach plant filtrate stream

Refiner bleaching with magnesium oxide and hydrogen peroxide

Paper and absorbent products with reduced pitch content

High temperature peroxide bleaching of mechanical pulps

Chemical wood pulping process with reduced VOC emissions

Process for producing paper and absorbent products of increased str...

Paper and absorbent products with reduced pitch content