US2970942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sennoside-polycyclohexose complexes
Assignee: Individual
•
Filing: 1958-02-06
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Granted: 1961-02-07
•
Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Halpern Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:47
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
20 words
SENNOSIDE-POLYCYCLOHEXOSE-POLYMER COMPLEX IN WHICH HYDROGEN BONDING EXISTS BETWEEN SAID POLYCYCOHEXOSE AND SENNOSIDE, SAID COMPLEX HAVING COLLODAL PROPERTIES IN AQUEOUS MEDIA.
Claim 2
Dependent Claim
20 words
SENNOSIDE-POLYCYCLOHEXOSE-POLYMER COMPLEX IN WHICH HYDROGEN BONDING EXISTS BETWEEN SAID POLYCYCOHEXOSE AND SENNOSIDE, SAID COMPLEX HAVING COLLODAL PROPERTIES IN AQUEOUS MEDIA.
Claim 3
Independent Claim
81 words
THE METHOD OF PREPARING THE SENNOSIDE-POLYCYCLOHEXOSE-POLYMER COMPLES DESCIBED IN CLIAM 1 WHICH CONSISTS OF REACTING A FIRST MOIETY SELECTED FROM THE GROUP CONSISTING OS SENNOSIDES A AND B, A SOLID EXTRACT OF SENNA AND A FLUID EXTRACT OF SENNA, WHICH A POLYCYCLOHEXOSE POLYMER HAVING COLLOIDAL PROPERTIES WHICH DISPERSED IN WATER AND CAPABLE OF HYDROGEN BONDING WITH THE SENNOSIDES IN THE FIRST MOIETY, IN A MEDIUM SELECTED FROM THE GROUP CONSISTING OF WATER, A LOWER ALKYL ALCOHOL AND MIXTURES OF THE SAME.
Claim 4
Independent Claim
81 words
THE METHOD OF PREPARING THE SENNOSIDE-POLYCYCLOHEXOSE-POLYMER COMPLES DESCIBED IN CLIAM 1 WHICH CONSISTS OF REACTING A FIRST MOIETY SELECTED FROM THE GROUP CONSISTING OS SENNOSIDES A AND B, A SOLID EXTRACT OF SENNA AND A FLUID EXTRACT OF SENNA, WHICH A POLYCYCLOHEXOSE POLYMER HAVING COLLOIDAL PROPERTIES WHICH DISPERSED IN WATER AND CAPABLE OF HYDROGEN BONDING WITH THE SENNOSIDES IN THE FIRST MOIETY, IN A MEDIUM SELECTED FROM THE GROUP CONSISTING OF WATER, A LOWER ALKYL ALCOHOL AND MIXTURES OF THE SAME.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |