Inventor · disambiguated record
John David Withenshaw
Also filed as: WITHENSHAW JOHN D · WITHENSHAW JOHN DAVID
5 granted patents·218 citations·filing 1988–1998
84Inventor score
Top patents by PatentIndex Score
5 records- 0189US6569286B1Method for the alkaline bleaching of pulp with a peroxyacid based oxygen bleaching species using an agglomerated bleach activatorWARWICK INTERNAT GROUP LTD·Filed 1998·Granted May 27, 2003·108 cites·10 claims
- 0273US5433881AGranulation process for making granular bleach activator compositions and resulting productWARWICK INT GROUP·Filed 1992·Granted Jul 18, 1995·39 cites·23 claims
- 0362US4921631ABleach activator compositionsWARWICK INT LTD·Filed 1988·Granted May 1, 1990·30 cites·17 claims
- 0459US6080710ABleach activator compositionsWARWICK INT GROUP·Filed 1994·Granted Jun 27, 2000·24 cites·10 claims
- 0555US5800755AAgglomerated active with controlled releaseWARWICK INT GROUP·Filed 1996·Granted Sep 1, 1998·17 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →