Inventor · disambiguated record
Philip R. Campbell
Also filed as: CAMPBELL PHILIP R · CAMPBELL PHILIP REED
5 granted patents·7 citations·filing 2012–2017
70Inventor score
Technology areasD21C
Top patents by PatentIndex Score
5 records- 0185US9617686B2Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber productsGP CELLULOSE GMBH·Filed 2013·Granted Apr 11, 2017·4 cites·47 claims
- 0277US10407830B2Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber productsGP CELLULOSE GMBH·Filed 2017·Granted Sep 10, 2019·1 cites·20 claims
- 0376US9719208B2Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the sameNONNI ARTHUR J·Filed 2012·Granted Aug 1, 2017·2 cites·21 claims
- 0463US10294613B2Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same technical fieldGP CELLULOSE GMBH·Filed 2017·Granted May 21, 2019·0 cites·14 claims
- 0552US10151064B2Softwood kraft fiber having an improved α-cellulose content and its use in the production of chemical cellulose productsGP CELLULOSE GMBH·Filed 2014·Granted Dec 11, 2018·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →