Patent US3946013A successfully refreshed from Google Patents.
US3946013A
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US
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1,3-BIS(Beta-ethylhexyl)-5-amino-5-methylhexahydropyrimidine-pyridine-3-carboxylate, process for its preparation and pharmaceutical compositions containing this compound
Assignee: Individual
•
Filing: 1974-02-28
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Granted: 1976-03-23
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Expires: 1994-02-28
Abstract
Abstract 1,3-BIS(β-ETHYLHEXYL)-5-AMINO-5-METHYLHEXAHYDROPYRIMIDINE PYRIDINE-3-CARBOXYLATE(HEXETIDINE NICOTINATE), WHICH HAS GREATER BACTERIOSTATIC ACTIVITY AND LOWER TOXICITY IN COMPARISON WITH HEXETIDINE OR OTHER SALTS OF HEXETIDINE, IS PREPARED BY REACTING HEXETIDINE OR AN ACID ADDITION SALT THEREOF WITH NICOTINIC ACID IN AN ORGANIC SOLVENT.
Inventors
- 👤 Manfred Tauscher
- 👤 Joachim Goring
- 👤 Wolfgang Busch
- 👤 Oskar Rohte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:43
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80; C07D239/00; C07D239/02; C07D239/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
1,3-Bis (β-ethylhexyl)-5-amino-5-methylhexahydropyrimidinepyridine-3-carboxylate.
Claim 2
Dependent Claim
2 words
1,3-Bis (β-ethylhexyl)-5-amino-5-methylhexahydropyrimidinepyridine-3-carboxylate.
References Cited (Backward Citations)
US3278536A
Cited
US3749721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |