US2964552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adrenocorticotropic action-retarding and anti-enzymatic substances
Assignee: Leo AB
•
Filing: 1956-08-31
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Granted: 1960-12-13
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Expires: 1976-08-31
Abstract
No abstract record available.
Inventors
- 👤 Hogberg Knut Bertil
- 👤 Ferno Ove Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:59
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/04; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A POLYMERIC PRODUCT, HAVING ADRENOCORTICOTROPIC ACTION-RETARDING AND ANTIENZYMATIC PROPERTIES, SELECTED FROM THE GROUP CONSISTING OF: (1) A POLYMERIC POLY-PHENOL-PHOSPHATE CONDENSATION PRODUCT, A. CONTAINING UNESTERIFIED HYDROXY GROUPS ATTACHED TO PHOSPHOROUS ATOMS, B. HAVING A MOLECULAR WEIGHT ABOVE 2,000, AND C. BEING SOLUBLE IN AQUEOUS ALKALI, D. SAID PRODUCT BEING PRODUCED BY (I) CONDENSING, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AT A REACTION TEMPERATURE UP TO ABOUT ROOM TEMPERATURE AND IN THE PRESENCE OF A TERTIARY AMINE AS AN ACID-BINDING AGENT, A PHOSPHORUS OXYHALIDE AND A STARTING PHENOL COMPOUND OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
89 words
A POLYMERIC PRODUCT, HAVING ADRENOCORTICOTROPIC ACTION-RETARDING AND ANTIENZYMATIC PROPERTIES, SELECTED FROM THE GROUP CONSISTING OF: (1) A POLYMERIC POLY-PHENOL-PHOSPHATE CONDENSATION PRODUCT, A. CONTAINING UNESTERIFIED HYDROXY GROUPS ATTACHED TO PHOSPHOROUS ATOMS, B. HAVING A MOLECULAR WEIGHT ABOVE 2,000, AND C. BEING SOLUBLE IN AQUEOUS ALKALI, D. SAID PRODUCT BEING PRODUCED BY (I) CONDENSING, UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AT A REACTION TEMPERATURE UP TO ABOUT ROOM TEMPERATURE AND IN THE PRESENCE OF A TERTIARY AMINE AS AN ACID-BINDING AGENT, A PHOSPHORUS OXYHALIDE AND A STARTING PHENOL COMPOUND OF THE GENERAL FORMULA:
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |