US3728356A
Expired / Lapsed
US
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Thioglycerol-nitrogen base molecular complex
Assignee: Bristol Myers Co
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Filing: 1971-12-15
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Granted: 1973-04-17
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Expires: 1991-12-15
Abstract
Abstract A thioglycerol-nitrogen base molecular complex useful as a depilatory; complexes are unimolecular or hemimolecular.
Inventors
- 👤 H Yablonsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:18
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/14; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/44; A61K8/46; A61K8/49; A61K8/494; A61K8/4946; A61Q; A61Q9/00; A61Q9/04; C07C; C07C323/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
A complex according to claim 1 wherein the nitrogen base has a Kb value in the range of from 10 10 to 10 1.6.
Claim 2
Dependent Claim
15 words
A complex according to claim 1 wherein the nitrogen base is a lower alkyl amine.
Claim 3
Dependent Claim
14 words
A complex according to claim 1 wherein the nitrogen base is a lower alkanolamine.
Claim 4
Dependent Claim
12 words
A complex according to claim 1 wherein the nitrogen base is imidazole.
Claim 5
Dependent Claim
14 words
A complex according to claim 1 wherein the nitrogen base is of the formula:
Claim 6
Dependent Claim
14 words
A Complex according to claim 3 in which the lower alkyl amine is methylamine.
References Cited (Backward Citations)
US3686296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |