Campbell; Roger O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Campbell; Roger O..The latest application filed is for "enzymatic treatment of pulp".

Company Profile

0.5.10

Campbell; Roger O. - Auburn WA
Campbell; Roger O. - Federal Way WA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Enzymatic treatment of pulp App 20080160514 - Sealey; James E. ; et al.	2008-07-03
System and a method for extracting wax from pulp fibers and paper products App 20070227944 - Campbell; Roger O.	2007-10-04
System and a method for extracting wax from pulp fibers and paper products App 20070227945 - Campbell; Roger O.	2007-10-04
Method for removal of metals from a bleach plant filtrate stream App 20070000628 - Sealey; James E. II ; et al.	2007-01-04
Refiner bleaching with magnesium oxide and hydrogen peroxide Grant 6,881,299 - Parrish , et al. April 19, 2	2005-04-19
Refiner bleaching with magnesium oxide and hydrogen peroxide App 20040112557 - Parrish, Anthony ; et al.	2004-06-17
High temperature peroxide bleaching of mechanical pulps Grant 6,743,332 - Haynes , et al. June 1, 2	2004-06-01
Process for producing paper and absorbent products of increased strength Grant 6,719,880 - Speaks , et al. April 13, 2	2004-04-13
Chemical wood pulping process with reduced pitch and VOC emissions Grant 6,641,699 - Speaks , et al. November 4, 2	2003-11-04
Paper and absorbent products with reduced pitch content App 20030192660 - Speaks, Jerry R. ; et al.	2003-10-16
High temperature peroxide bleaching of mechanical pulps App 20020189021 - Haynes, Kaaren K. ; et al.	2002-12-19
Chemical wood pulping process with reduced VOC emissions App 20020069981 - Speaks, Jerry R. ; et al.	2002-06-13
Process for producing paper and absorbent products of increased strength App 20020069982 - Speaks, Jerry R. ; et al.	2002-06-13
Paper and absorbent products with reduced pitch content App 20020062935 - Speaks, Jerry R. ; et al.	2002-05-30
Pretreatment of wood particulates for removal of wood extractives Grant 5,698,667 - Speaks , et al. December 16, 1	1997-12-16

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