Inventor · disambiguated record
John D. Ballantine
Also filed as: BALLANTINE JOHN D · BALLANTINE JOHN DOUGLAS
4 granted patents·63 citations·filing 1973–1995
76Inventor score
Top patents by PatentIndex Score
4 records- 0174US5456800ASystem for sizing paper and cardboardHERCULES INC·Filed 1993·Granted Oct 10, 1995·40 cites·12 claims
- 0256US5626719ASystem for sizing paper and cardboardHERCULES INC·Filed 1995·Granted May 6, 1997·18 cites·5 claims
- 0345US3951940AMethod of producing a hardened gelatin layer using aqueous solution of a 2-halogeno pyridinium compoundCIBA GEIGY AG·Filed 1974·Granted Apr 20, 1976·4 cites·8 claims
- 0436US4014862AProduction of hardened gelatin layers by the addition of quaternary carbamoyl pyridinium compoundsILFORD LTD·Filed 1973·Granted Mar 29, 1977·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →