Patent US1681314A successfully refreshed from Google Patents.
US2802819A
Expired / Lapsed
US
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Acylated products
Assignee: CIBA PHARM PROD Inc
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Filing: 1954-07-13
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Granted: 1957-08-13
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Expires: 1974-07-13
Abstract
No abstract record available.
Inventors
- 👤 Lederer Edgar
- 👤 Asselineau Jean Marcel
- 👤 Bloch Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:43
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
ACYL DERIVATIVES OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF D-GLUCOSAMINE, D-MTHYL GLUCOSAMINIDE, A-D-METHYL GLUCOSIDE AND THEIR LOWER ALKYL AND ALKANOYL DERIVATIVES AND CARBOBENZOXY DERIVATIVES, WHEREIN THE ACYL RADICAL IS THAT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MYCOLIC ACIDS OF THE FORMULA:
Claim 2
Dependent Claim
45 words
ACYL DERIVATIVES OF COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF D-GLUCOSAMINE, D-MTHYL GLUCOSAMINIDE, A-D-METHYL GLUCOSIDE AND THEIR LOWER ALKYL AND ALKANOYL DERIVATIVES AND CARBOBENZOXY DERIVATIVES, WHEREIN THE ACYL RADICAL IS THAT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF MYCOLIC ACIDS OF THE FORMULA:
References Cited (Backward Citations)
US2703798A
Cited
US2667478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |