Inventor · disambiguated record
Roger O. Campbell
Also filed as: CAMPBELL ROGER O
8 granted patents·6 pending applications·201 citations·filing 1995–2006
89Inventor score
Files withWEYERHAEUSER CO7NORTH PACIFIC PAPER CORP3CAMPBELL ROGER O2NORTH AMERICAN PAPER CORP1SEALEY JAMES E II1
Top patents by PatentIndex Score
14 records- 0190US5698667APretreatment of wood particulates for removal of wood extractivesNORTH PACIFIC PAPER CORP·Filed 1995·Granted Dec 16, 1997·51 cites·30 claims
- 0289US6743332B2High temperature peroxide bleaching of mechanical pulpsWEYERHAEUSER CO·Filed 2001·Granted Jun 1, 2004·53 cites·41 claims
- 0384US6881299B2Refiner bleaching with magnesium oxide and hydrogen peroxideNORTH AMERICAN PAPER CORP·Filed 2003·Granted Apr 19, 2005·41 cites·27 claims
- 0484US6719880B2Process for producing paper and absorbent products of increased strengthWEYERHAEUSER CO·Filed 2001·Granted Apr 13, 2004·12 cites·13 claims
- 0572US6364999B1Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissionsWEYERHAEUSER CO·Filed 1999·Granted Apr 2, 2002·15 cites·15 claims
- 0665US6641699B2Chemical wood pulping process with reduced pitch and VOC emissionsWEYERHAEUSER CO·Filed 2001·Granted Nov 4, 2003·2 cites·15 claims
- 0754US5665798AComposite wood products from solvent extracted wood raw materialsNORTH PACIFIC PAPER CORP·Filed 1995·Granted Sep 9, 1997·18 cites·16 claims
- 0849US2008160514A1Enzymatic treatment of pulpWEYERHAEUSER CO·Filed 2006·Application pending·0 cites
- 0947US2003192660A1Paper and absorbent products with reduced pitch contentWEYERHAEUSER CO·Filed 2003·Application pending·0 cites
- 1044US2002062935A1Paper and absorbent products with reduced pitch contentWEYERHAEUSER CO·Filed 2001·Application pending·0 cites
- 1142US6075076AComposite wood products prepared from solvent extracted wood particulatesNORTH PACIFIC PAPER CORP·Filed 1997·Granted Jun 13, 2000·9 cites·11 claims
- 1241US2007227944A1System and a method for extracting wax from pulp fibers and paper productsCAMPBELL ROGER O·Filed 2006·Application pending·0 cites
- 1341US2007227945A1System and a method for extracting wax from pulp fibers and paper productsCAMPBELL ROGER O·Filed 2006·Application pending·0 cites
- 1437US2007000628A1Method for removal of metals from a bleach plant filtrate streamSEALEY JAMES E II·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →