Inventor
BERA SANJIB
US26 patents
⚠️ This page may combine multiple inventors who share the name “BERA SANJIB”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEMPHARM INC
16 patentsUS9850252B2Dec 26, 2017
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereof
KEMPHARM INC6 citations84
US9597403B2Mar 21, 2017
Amino acid conjugates of quetiapine, process for making and using the same
KEMPHARM INC4 citations84
US9453037B2Sep 27, 2016
Methylphenidate-prodrugs, processes of making and using the same
KEMPHARM INC9 citations84
US9682076B2Jun 20, 2017
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
KEMPHARM INC4 citations83
US11234975B2Feb 1, 2022
Levorphanol prodrugs and processes for making and using them
KEMPHARM INC4 citations73
US10231960B2Mar 19, 2019
Methylphenidate-prodrugs, processes of making and using the same
KEMPHARM INC1 citations73
US9889198B2Feb 13, 2018
Fatty acid conjugates of quetiapine, process for making and using the same
KEMPHARM INC1 citations63
US9890150B2Feb 13, 2018
Fatty acid conjugates of quetiapine, process for making and using the same
KEMPHARM INC1 citations63
US9511149B2Dec 6, 2016
Fatty acid conjugates of quetiapine, process for making and using the same
KEMPHARM INC1 citations63
US11214544B2Jan 4, 2022
Dextrorphan prodrugs and processes for making and using them
KEMPHARM INC1 citations62
US10544153B2Jan 28, 2020
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereof
KEMPHARM INC0 citations52
US10144740B2Dec 4, 2018
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereof
KEMPHARM INC0 citations52
US10010615B2Jul 3, 2018
Amino acid conjugates of quetiapine, process for making and using the same
KEMPHARM INC0 citations52
US10758528B2Sep 1, 2020
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
KEMPHARM INC0 citations51
US10463660B2Nov 5, 2019
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
KEMPHARM INC0 citations51
US10071091B2Sep 11, 2018
Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof
KEMPHARM INC0 citations51
ZEVRA THERAPEUTICS INC
4 patentsUS12590065B2Mar 31, 2026
Levorphanol prodrugs and processes for making and using them
ZEVRA THERAPEUTICS INC0 citations61
US12251445B2Mar 18, 2025
Gamma-hydroxybutyrate delivering compounds and processes for making and using them
ZEVRA THERAPEUTICS INC0 citations61
US12076316B2Sep 3, 2024
Levorphanol prodrugs and processes for making and using them
ZEVRA THERAPEUTICS INC0 citations61
US12012384B2Jun 18, 2024
Dextrorphan prodrugs and processes for making and using them
ZEVRA THERAPEUTICS INC0 citations61