Johann A. Wulfing
10Patents
0Active
10Granted
28Portfolio score
Filing activity: Feb 28, 1974 → Dec 11, 1979
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4242345A | 7-(Oxoalkyl)-1,3-dialkyl xanthines, and medicaments containing them | Human Necessities | 29 | Expired |
| US4092417A | Theophylline salts of 5-methylisoxazole-3-carboxylic acid | Chemistry; Metallurgy | 7 | Expired |
| US4225607A | Pharmaceutical composition containing a xanthine derivative | Human Necessities | 7 | Expired |
| US4123534A | Adenine derivatives and hypolipidemic composition thereof | Human Necessities | 5 | Expired |
| US4291037A | 7-(Oxoalkyl)-1,3-di-n-iso-propyl xanthines and their production | Human Necessities | 4 | Expired |
| US3946013A | 1,3-BIS(Beta-ethylhexyl)-5-amino-5-methylhexahydropyrimidine-pyridine- 3-carboxylate, process for its preparation and pharmaceutical compositions containing this compound | Chemistry; Metallurgy | 4 | Expired |
| US4256750A | Pharmaceutical compositions | Human Necessities | 2 | Expired |
| US4060617A | Esters of the ophyllinylacetic acid | Chemistry; Metallurgy | 2 | Expired |
| US3980646A | 3-Methylpyrazole-5-carboxylates and medicaments containing these compounds | Chemistry; Metallurgy | 1 | Expired |
| US3995046A | Esters of 5-n-butylpyridine-2 carboxylic acid and pharmaceutical compositions containing these compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.