Inventor · disambiguated record
Henri Ulrich
Also filed as: ULRICH HENRI
21 granted patents·232 citations·filing 1974–1981
95Inventor score
Files withUPJOHN CO21
Top patents by PatentIndex Score
21 records- 0194US4039581AProcess for the preparation of di(amino phenyl)methanesUPJOHN CO·Filed 1975·Granted Aug 2, 1977·45 cites·13 claims
- 0291US4138398ABis-cyclic ureasUPJOHN CO·Filed 1978·Granted Feb 6, 1979·22 cites·5 claims
- 0387US4039580AProcess for preparing di(aminophenyl)methanesUPJOHN CO·Filed 1975·Granted Aug 2, 1977·36 cites·12 claims
- 0486US4123466AProcess for nitrating aromatic hydrocarbonsUPJOHN CO·Filed 1977·Granted Oct 31, 1978·17 cites·12 claims
- 0583US4010209AProcessUPJOHN CO·Filed 1975·Granted Mar 1, 1977·13 cites·13 claims
- 0681US3983087ANovel process of reclaiming polyurethane foamUPJOHN CO·Filed 1975·Granted Sep 28, 1976·36 cites·4 claims
- 0772US4112014AO,O'-Bis(hydroxyalkyl) N,N-di(lower-alkyl)aminomethane phosphonatesUPJOHN CO·Filed 1977·Granted Sep 5, 1978·7 cites·4 claims
- 0868US4008275AProcess for isolating 4,4'-diaminodiphenylmethaneUPJOHN CO·Filed 1975·Granted Feb 15, 1977·7 cites·15 claims
- 0967US4154931AProcess for the preparation of cyclic ureasUPJOHN CO·Filed 1978·Granted May 15, 1979·5 cites·6 claims
- 1065US4202946AFire retardant polyurethanes prepared from hydroxy substituted aminomethanephosphonatesUPJOHN CO·Filed 1978·Granted May 13, 1980·5 cites·5 claims
- 1157US4190599AAmide-containing diisocyanates and preparation thereofUPJOHN CO·Filed 1978·Granted Feb 26, 1980·3 cites·8 claims
- 1252US4092343APolymethylene polyphenyl polyisocyanateUPJOHN CO·Filed 1977·Granted May 30, 1978·7 cites·1 claims
- 1352US4051166AAraliphatic diisocyanatesUPJOHN CO·Filed 1976·Granted Sep 27, 1977·3 cites·9 claims
- 1448US4217436APolyurethane forming compositionsUPJOHN CO·Filed 1978·Granted Aug 12, 1980·6 cites·4 claims
- 1545US4202779AMixture of bis(2-hydroxyalkyl) N,N-di(lower alkyl)aminomethanephosphonates with polyolsUPJOHN CO·Filed 1978·Granted May 13, 1980·5 cites·4 claims
- 1645US4029705APurification process for MDAUPJOHN CO·Filed 1975·Granted Jun 14, 1977·2 cites·8 claims
- 1745US3947337Aα,ω-Diarylpolyene photosensitizers for sulfonylazide polymersUPJOHN CO·Filed 1974·Granted Mar 30, 1976·7 cites·5 claims
- 1843US4339381A1,3-Alkylene-diazetidine-2,4-dionesUPJOHN CO·Filed 1981·Granted Jul 13, 1982·1 cites·7 claims
- 1938US3951922AProcess for preparing polyimides from derivatives of phthalic anhydrideUPJOHN CO·Filed 1974·Granted Apr 20, 1976·3 cites·3 claims
- 2035US4173602AProcess for preparing spirocyclic phosphorus compoundsUPJOHN CO·Filed 1978·Granted Nov 6, 1979·2 cites·3 claims
- 2131US4028361AProcess for the purification of MDAUPJOHN CO·Filed 1975·Granted Jun 7, 1977·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →