Patents

US 10654863 B2: Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof

Granted
2020-05-19
Filed
2018-02-21 application 15901828
Type
Utility · 46 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The presently described technology provides methods of treating a patient having moderate to severe pain, narcotic or opioid abuse or narcotic or opioid withdrawal. The presently described methods are carried out by comprising administering to the patient a pharmaceutically effective amount of a composition comprising acetaminophen and benzoate-hydrocodone hydrochloride. The composition has reduced side effects when compared with unconjugated hydrocodone.

Source: PVGPATDIS, file of 2026-04-10 (ipg200519.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
KEMPHARM, INC. 57 patentsUS company or organizationFour Corners, FLKEMPHARM, INC Form D issuer EXACT high confidence: identical full name and statePVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Travis MickleKissimmee, FL83PVGPATDIS, file of 2026-04-10
Sven GuentherCoralville, IA63PVGPATDIS, file of 2026-04-10
Christal MickleKissimmee, FL18PVGPATDIS, file of 2026-04-10
Guochen ChiCoralville, IA41PVGPATDIS, file of 2026-04-10
Jaroslaw KanskiBlacksburg, VA30PVGPATDIS, file of 2026-04-10
Andrea K. MartinFincastle, VA30PVGPATDIS, file of 2026-04-10
Bindu BeraBlacksburg, VA29PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
C07DHeterocyclic compoundsC07D489/02PVGPATDIS, file of 2026-04-10
A61KPreparations for medical, dental or toiletry purposesA61K9/0019PVGPATDIS, file of 2026-04-10
A61PSpecific therapeutic activity of chemical compounds or medicinal preparationsA61P25/30PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2026-03-13Release of security interest
Release of security interest
ALTER DOMUS (US) LLC signed 2026-03-12ZEVRA THERAPEUTICS, INC. CELEBRATION, FL75080/907PASDL, file of 2026-10-15
2024-04-08Security interest Security interest
Security interest
ZEVRA THERAPEUTICS, INC. signed 2024-04-05ALTER DOMUS (US) LLC CHICAGO, IL67040/637PASDL, file of 2026-10-15
2024-02-23Name change
Change of name
KEMPHARM, INC. signed 2023-02-21ZEVRA THERAPEUTICS, INC. CELEBRATION, FL66664/108PASDL, file of 2026-10-15
2018-03-16Assignment
Assignment of assignor's interest
MICKLE, CHRISTAL signed 2018-02-28
MICKLE, TRAVIS signed 2018-02-28
CHI, GUOCHEN signed 2018-03-02
GUENTHER, SVEN signed 2018-03-02
BERA, BINDU signed 2018-03-05
KANSKI, JAROSLAW signed 2018-03-05
MARTIN, ANDREA K signed 2018-03-05
KEMPHARM, INC. CORALVILLE, IA45254/754ECORSEXC, file of 2026-09-25

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.