Inventor · disambiguated record
Charles A. Crichlow
Also filed as: CRICHLOW CHARLES A · ONG HELEN H
15 granted patents·115 citations·filing 1979–1992
91Inventor score
Top patents by PatentIndex Score
15 records- 0197US4241071AAntidepressant (α-phenyl-2-tolyl)azacycloalkanesHOECHST CO AMERICAN·Filed 1979·Granted Dec 23, 1980·67 cites·24 claims
- 0281US4309424A4-Phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1979·Granted Jan 5, 1982·13 cites·81 claims
- 0369US4822914A2-amino-N-methyl-α-phenyl-phenethylaminesHOECHST ROUSSEL PHARMA·Filed 1982·Granted Apr 18, 1989·8 cites·4 claims
- 0464US4968721A2-amino-alpha-phenylphenethylamines and method of useHOECHST ROUSSEL PHARMA·Filed 1989·Granted Nov 6, 1990·7 cites·14 claims
- 0549US4459230AProcess for preparing 4-phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1981·Granted Jul 10, 1984·3 cites·3 claims
- 0648US4462933AProcess for preparing 4-phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1981·Granted Jul 31, 1984·3 cites·3 claims
- 0748US4459231AProcess for preparing 4-phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1981·Granted Jul 10, 1984·3 cites·6 claims
- 0846US4933493AIntermediates for the preparation of 4-phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1989·Granted Jun 12, 1990·2 cites·13 claims
- 0946US4469889A2-(2-Nitrophenyl)-1-phenylethanone oxime acetatesHOECHST ROUSSEL PHARMA·Filed 1983·Granted Sep 4, 1984·2 cites·6 claims
- 1046US4409145AProcess for preparing 4-phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1981·Granted Oct 11, 1983·2 cites·2 claims
- 1145US4504680A4-Phenyl-1,3-benzodiazepinesHOECHST ROUSSEL PHARMA·Filed 1983·Granted Mar 12, 1985·2 cites·5 claims
- 1240US4414219AAntidepressant (α-phenyl-2-tolyl)azacycloalkanols and derivatives thereofHOECHST CO AMERICAN·Filed 1980·Granted Nov 8, 1983·1 cites·50 claims
- 1340US4311703AAntidepressant and tranquilizing (α-phenyl-2-tolyl)-azacycloalkenesHOECHST CO AMERICAN·Filed 1980·Granted Jan 19, 1982·1 cites·25 claims
- 1439US5260339A4-phenyl-1,3-benzodiazepines and 2-amino-α-phenylphenethylamines for treating convulsions and protecting neuronsHOECHST ROUSSEL PHARMA·Filed 1992·Granted Nov 9, 1993·1 cites·3 claims
- 1531US5185465ACarboxamides of 2-amino-alpha-phenlphenethylaminesHOECHST ROUSSEL PHARMA·Filed 1990·Granted Feb 9, 1993·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Charles A. Crichlow files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →