Inventor · disambiguated record
Frank J. Hartdegen
Also filed as: HARTDEGEN FRANK J · HARTDEGEN FRANK JOSEPH
8 granted patents·384 citations·filing 1973–1977
90Inventor score
Files withGRACE W R & CO8
Top patents by PatentIndex Score
8 records- 0195US4098645AImmobilization of proteins with polyurethane polymersGRACE W R & CO·Filed 1976·Granted Jul 4, 1978·100 cites·24 claims
- 0292US4237229AImmobilization of biological material with polyurethane polymersGRACE W R & CO·Filed 1977·Granted Dec 2, 1980·63 cites·73 claims
- 0392US4094744AWater-dispersible protein/polyurethane reaction productGRACE W R & CO·Filed 1976·Granted Jun 13, 1978·60 cites·19 claims
- 0491US4195127AProcess for immobilizing proteinsGRACE W R & CO·Filed 1977·Granted Mar 25, 1980·64 cites·11 claims
- 0584US4250267AImmobilized biological materialGRACE W R & CO·Filed 1977·Granted Feb 10, 1981·32 cites·5 claims
- 0674US4342834AEnzymes bound to polyurethaneGRACE W R & CO·Filed 1976·Granted Aug 3, 1982·19 cites·3 claims
- 0772US4312946APreparation and use of enzymes bound to polyurethaneGRACE W R & CO·Filed 1973·Granted Jan 26, 1982·16 cites·12 claims
- 0871US4073884APromotion of feed efficiencyGRACE W R & CO·Filed 1976·Granted Feb 14, 1978·30 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →