KEMPHARM, INC.
57Patents
57Active
57Granted
54Portfolio score
Filing activity: Jul 1, 2010 → Dec 8, 2020 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8101661B2 | Polar hydrophilic prodrugs and non-standard amino acid conjugates of amphetamine and other stimulants and processes for making and using the same | Human Necessities | 27 | Active |
| US8461137B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 25 | Active |
| US8759368B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 18 | Active |
| US8748413B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 17 | Active |
| US8816083B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof | Human Necessities | 16 | Active |
| US8828978B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 16 | Active |
| US8927716B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 16 | Active |
| US9132125B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 14 | Active |
| US8871780B2 | Phenylethanoic acid, phenylpropanoic acid and phenylpropenoic acid conjugates and prodrugs of hydrocodone, method of making and use thereof | Human Necessities | 13 | Active |
| US9079928B2 | Methylphenidate-oxoacid conjugates, processes of making and using the same | Chemistry; Metallurgy | 12 | Active |
| US9125947B2 | Phenylethanoic acid, phenylpropanoic acid and phenylpropenoic acid conjugates and prodrugs of hydrocodone, method of making and use thereof | Human Necessities | 12 | Active |
| US9453037B2 | Methylphenidate-prodrugs, processes of making and using the same | Chemistry; Metallurgy | 9 | Active |
| US9650387B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof | Human Necessities | 7 | Active |
| US9566343B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydromorphone, prodrugs, methods of making and use thereof | Human Necessities | 7 | Active |
| US9850252B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxycodone, prodrugs, methods of making and use thereof | Chemistry; Metallurgy | 6 | Active |
| US10584113B2 | Methylphenidate-prodrugs, processes of making and using the same | Chemistry; Metallurgy | 5 | Active |
| US10584112B2 | Methylphenidate-prodrugs, processes of making and using the same | Chemistry; Metallurgy | 5 | Active |
| US10759778B2 | Methylphenidate-prodrugs, processes of making and using the same | Chemistry; Metallurgy | 3 | Active |
| US9682076B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of oxymorphone, prodrugs, methods of making and use thereof | Chemistry; Metallurgy | 3 | Active |
| US9597403B2 | Amino acid conjugates of quetiapine, process for making and using the same | Chemistry; Metallurgy | 3 | Active |
| US11234975B2 | Levorphanol prodrugs and processes for making and using them | Human Necessities | 2 | Active |
| US9549923B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and uses thereof | Human Necessities | 1 | Active |
| US9872915B2 | Benzoic acid, benzoic acid derivatives and heteroaryl carboxylic acid conjugates of hydrocodone, prodrugs, methods of making and use thereof | Human Necessities | 1 | Active |
| US8715699B2 | Amino acid conjugates of quetiapine, process for making and using the same | Chemistry; Metallurgy | 1 | Active |
| US11174229B2 | D-amphetamine compounds, compositions, and processes for making and using the same | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.