Inventor · disambiguated record

Spencer W. Eachus

Also filed as: EACHUS SPENCER W

3 granted patents·42 citations·filing 1991–1993

71Inventor score

Technology areasD21C

Files withUNION CAMP PATENT HOLDING3

Top patents by PatentIndex Score

3 records

0168US5409570AProcess for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zoneUNION CAMP PATENT HOLDING·Filed 1992·Granted Apr 25, 1995·20 cites·22 claims
0250US5173153AProcess for enhanced oxygen delignification using high consistency and a split alkali additionUNION CAMP PATENT HOLDING·Filed 1991·Granted Dec 22, 1992·12 cites·15 claims
0347US5525195AProcess for high consistency delignification using a low consistency alkali pretreatmentUNION CAMP PATENT HOLDING·Filed 1993·Granted Jun 11, 1996·10 cites·21 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →