Inventor
HELAL CHRISTOPHER JOHN
US29 patents
⚠️ This page may combine multiple inventors who share the name “HELAL CHRISTOPHER JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PFIZER
23 patentsUS9845301B2Dec 19, 2017
1,1,1-trifluoro-3-hydroxypropan-2-yl carbamate derivatives and 1,1,1-trifluoro-4-hydroxybutan-2-yl carbamate derivatives as MAGL inhibitors
PFIZER8 citations83
US9598421B2Mar 21, 2017
Imidazopyridazine compounds
PFIZER6 citations83
US8933224B2Jan 13, 2015
Triazine derivatives
PFIZER5 citations83
US10738063B2Aug 11, 2020
6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxamide compounds
PFIZER3 citations72
US10428034B2Oct 1, 2019
1,1,1-trifluoro-3-hydroxypropan-2-yl carbamate derivatives and 1,1,1-trifluoro-4-hydroxybutan-2-yl carbamate derivatives as MAGL inhibitors
PFIZER3 citations72
US10329308B2Jun 25, 2019
1,1,1-trifluoro-3-hydroxypropan-2-yl carbamate derivatives as MAGL inhibitors
PFIZER2 citations72
US11472805B2Oct 18, 2022
Tricyclic compounds and their use as phosphodiesterase inhibitors
PFIZER4 citations71
US9200000B2Dec 1, 2015
Imidazo[5,1-f][1,2,4]triazines for the treatment of neurological disorders
PFIZER4 citations71
US10858373B2Dec 8, 2020
Heterocyclic spiro compounds as MAGL inhibitors
PFIZER1 citations62
US10323042B2Jun 18, 2019
6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxamide compounds
PFIZER1 citations62
US9296761B2Mar 29, 2016
Triazine derivatives
PFIZER2 citations62
US12398119B2Aug 26, 2025
Piperazine azaspiro derivatives
PFIZER0 citations60
US12049465B2Jul 30, 2024
Tricyclic compounds and their use as phosphodiesterase inhibitors
PFIZER0 citations60
US11524954B2Dec 13, 2022
Piperazine azaspiro derivatives
PFIZER0 citations60
US11161844B2Nov 2, 2021
Cyclic substituted imidazo[4,5-c]quinoline derivatives
PFIZER1 citations60
US11312713B2Apr 26, 2022
Imidazo[4,5-C]quinoline derivatives as LRRK2 inhibitors
PFIZER0 citations59
US9145427B2Sep 29, 2015
Triazine derivatives
PFIZER3 citations59
US7479559B2Jan 20, 2009
Benzyl(idene)-lactam derivatives
PFIZER6 citations59
US10723711B2Jul 28, 2020
1,1,1-trifluoro-3-hydroxypropan-2-yl carbamate derivatives and 1,1,1-trifluoro-4-hydroxybutan-2-yl carbamate derivatives as MAGL inhibitors
PFIZER0 citations51
US10669279B2Jun 2, 2020
Imidazopyridazine compounds
PFIZER0 citations51
US10626125B2Apr 21, 2020
1,1,1-trifluoro-3-hydroxypropan-2-yl carbamate derivatives as MAGL inhibitors
PFIZER0 citations51
US10077269B2Sep 18, 2018
Imidazopyridazine compounds
PFIZER1 citations51
US10131669B2Nov 20, 2018
Pyrazolopyrimidine compounds
PFIZER0 citations41