Inventor · disambiguated record
Johannes C. Van Der Werff
Also filed as: VAN DER WERFF JOHANNES C
2 granted patents·14 citations·filing 1995–1995
56Inventor score
Files withSHELL OIL CO2
Top patents by PatentIndex Score
2 records- 0128US5519073AProcess for the preparation of a phosphoric-acid-containing asphalt/polymer mixture and resulting asphalt composition thereofSHELL OIL CO·Filed 1995·Granted May 21, 1996·10 cites·9 claims
- 0226US5574095AMethod for producing asphalts containing an epoxy-containing polymer and polyamineSHELL OIL CO·Filed 1995·Granted Nov 12, 1996·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →