Assignee
KEMPHARM INC
US·50 granted patents·11 pending applications·168 citations·filing 2012–2021
Top patents by PatentIndex Score
61 records- 0197US9132125B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2014·Granted Sep 15, 2015·14 cites·30 claims
- 0297US8927716B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2013·Granted Jan 6, 2015·16 cites·28 claims
- 0397US8828978B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2013·Granted Sep 9, 2014·16 cites·16 claims
- 0497US8748413B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2013·Granted Jun 10, 2014·17 cites·19 claims
- 0596US9650387B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereofKEMPHARM INC·Filed 2016·Granted May 16, 2017·7 cites·47 claims
- 0695US9125947B2Phenylethanoic acid, phenylpropanoic acid and phenylpropenoic acid conjugates and prodrugs of hydrocodone, method of making and use thereofKEMPHARM INC·Filed 2014·Granted Sep 8, 2015·13 cites·11 claims
- 0794US10584112B2Methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Mar 10, 2020·7 cites·15 claims
- 0894US8816083B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2012·Granted Aug 26, 2014·18 cites·11 claims
- 0993US10759778B2Methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Sep 1, 2020·3 cites·23 claims
- 1093US10584113B2Methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Mar 10, 2020·7 cites·24 claims
- 1193US9850252B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2015·Granted Dec 26, 2017·6 cites·19 claims
- 1291US11234975B2Levorphanol prodrugs and processes for making and using themKEMPHARM INC·Filed 2018·Granted Feb 1, 2022·4 cites·34 claims
- 1391US9872915B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2015·Granted Jan 23, 2018·2 cites·14 claims
- 1491US9453037B2Methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2015·Granted Sep 27, 2016·9 cites·6 claims
- 1590US9566343B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2014·Granted Feb 14, 2017·8 cites·12 claims
- 1689US11505537B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2020·Granted Nov 22, 2022·1 cites·12 claims
- 1788US11174229B2D-amphetamine compounds, compositions, and processes for making and using the sameKEMPHARM INC·Filed 2019·Granted Nov 16, 2021·2 cites·32 claims
- 1886US10954213B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2020·Granted Mar 23, 2021·1 cites·19 claims
- 1986US10954212B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Mar 23, 2021·1 cites·7 claims
- 2086US10858341B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2020·Granted Dec 8, 2020·1 cites·14 claims
- 2186US9682076B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2015·Granted Jun 20, 2017·4 cites·22 claims
- 2285US9889198B2Fatty acid conjugates of quetiapine, process for making and using the sameKEMPHARM INC·Filed 2017·Granted Feb 13, 2018·1 cites·23 claims
- 2385US9890150B2Fatty acid conjugates of quetiapine, process for making and using the sameKEMPHARM INC·Filed 2017·Granted Feb 13, 2018·1 cites·23 claims
- 2484US11214544B2Dextrorphan prodrugs and processes for making and using themKEMPHARM INC·Filed 2018·Granted Jan 4, 2022·1 cites·5 claims
- 2583US11136295B2D-amphetamine compounds, compositions, and processes for making and using the sameKEMPHARM INC·Filed 2019·Granted Oct 5, 2021·1 cites·38 claims
- 2683US9597403B2Amino acid conjugates of quetiapine, process for making and using the sameKEMPHARM INC·Filed 2014·Granted Mar 21, 2017·4 cites·20 claims
- 2782US9549923B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereofKEMPHARM INC·Filed 2015·Granted Jan 24, 2017·1 cites·75 claims
- 2877US11021459B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Jun 1, 2021·0 cites·14 claims
- 2977US11021460B2Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2019·Granted Jun 1, 2021·0 cites·13 claims
- 3077US10758528B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2019·Granted Sep 1, 2020·0 cites·26 claims
- 3177US2015065536A1Benzoic Acid, Benzoic Acid Derivatives and Heteroaryl Carboxylic Acid Conjugates of Hydrocodone, Prodrugs, Methods of Making and Uses ThereofKEMPHARM INC·Filed 2014·Application pending·0 cites
- 3277US2021253552A1Compositions comprising methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2021·Application pending·0 cites
- 3376US10231960B2Methylphenidate-prodrugs, processes of making and using the sameKEMPHARM INC·Filed 2016·Granted Mar 19, 2019·1 cites·5 claims
- 3475US10577376B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2017·Granted Mar 3, 2020·0 cites·17 claims
- 3575US9511149B2Fatty acid conjugates of quetiapine, process for making and using the sameKEMPHARM INC·Filed 2014·Granted Dec 6, 2016·1 cites·12 claims
- 3674US10912744B2Therapeutic formulation for reduced drug side effectsKEMPHARM INC·Filed 2019·Granted Feb 9, 2021·0 cites·6 claims
- 3774US10351573B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereofKEMPHARM INC·Filed 2017·Granted Jul 16, 2019·0 cites·65 claims
- 3873US10654863B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2018·Granted May 19, 2020·0 cites·46 claims
- 3973US10358452B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereofKEMPHARM INC·Filed 2016·Granted Jul 23, 2019·0 cites·24 claims
- 4071US10441661B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2019·Granted Oct 15, 2019·0 cites·14 claims
- 4170US10870654B2Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making sameKEMPHARM INC·Filed 2019·Granted Dec 22, 2020·0 cites·11 claims
- 4270US10351574B2Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making sameKEMPHARM INC·Filed 2017·Granted Jul 16, 2019·0 cites·6 claims
- 4369US10258696B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2018·Granted Apr 16, 2019·0 cites·19 claims
- 4469US10144740B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2017·Granted Dec 4, 2018·0 cites·17 claims
- 4569US9815844B2Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making sameKEMPHARM INC·Filed 2014·Granted Nov 14, 2017·0 cites·11 claims
- 4668US2019256522A1Pharmaceutically acceptable salts and polymorphic forms of hydrocodone benzoic acid enol ester and processes for making sameKEMPHARM INC·Filed 2019·Application pending·0 cites
- 4767US10064956B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2017·Granted Sep 4, 2018·0 cites·19 claims
- 4866US10463660B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2018·Granted Nov 5, 2019·0 cites·26 claims
- 4965US9849185B2Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereofKEMPHARM INC·Filed 2016·Granted Dec 26, 2017·0 cites·16 claims
- 5065US2013158007A1Fatty Acid Conjugates of Quetiapine, Process for Making and Using the SameKEMPHARM INC·Filed 2013·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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