US2652356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumagillin and preparation
Assignee: Pharmacia and Upjohn Co
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Filing: 1950-09-25
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Granted: 1953-09-15
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Expires: 1970-09-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Hanson
- 👤 Thomas E Eble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/10; C12; C12N; C12N1/00; C12N1/14; C12N1/145; C12P; C12P37/00; C12R; C12R2001/00; C12R2001/645; C12R2001/66; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/89; Y10S435/911; Y10S435/913; Y10S435/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE WHITE, CRYSTALLINE, SOLID, ORGANIC ACID FUMAGILLIN CONTAINING ONLY THE ELEMENTS CARBON, HYDROGEN AND OXYGEN, HAVING A PK OF ABOUT 6.5, MELTING AT 189-194 DEGREES CENTIGRADE (KOPIFIER BLOCK) AND 190-191 DEGREES CENTIGRADE (CAPILLARY TUBE), AN OPTICAL ROTATION (A) D25 OF MINUS 26.6 DEGREES, A MOLECULAR WEIGHT OF ABOUT 475-490, WHOSE ULTRAVOILET SPECTRUM SHOWS PEAKS AT 239 MU, 336 MU AND 351 MU, WITH K VALUES OF 7.52 AT 239 MU, 147.8 AT 336 MU AND 136.4 AT 351 MU, WHOSE INFRARED SPECTRUM SHOWS BANDS AT THE FOLLOWING FREQUENCIES EXPRESSED IN RECIPROCAL CENTIMETERS, 3120, 1714, 1632, 1597, 1576, 1491, 1377, 1230, 1163, 1124, 1013, AND 838, FORMIGN A METHYL ESTER MELTING AT 145-147 DEGREES CENTRIGRADE, AND OCTABROMIDE MELTING AT 118-122 DEGREES CENTIGRADE, AN AMINE CHARRING AT 160 DEGREES CENTIGRADE, AND A 2,4-DINITROPHENYLHYDRAZONE MELTING AT 123-126 DEGREES CENTIGRADE.
Claim 2
Dependent Claim
136 words
THE WHITE, CRYSTALLINE, SOLID, ORGANIC ACID FUMAGILLIN CONTAINING ONLY THE ELEMENTS CARBON, HYDROGEN AND OXYGEN, HAVING A PK OF ABOUT 6.5, MELTING AT 189-194 DEGREES CENTIGRADE (KOPIFIER BLOCK) AND 190-191 DEGREES CENTIGRADE (CAPILLARY TUBE), AN OPTICAL ROTATION (A) D25 OF MINUS 26.6 DEGREES, A MOLECULAR WEIGHT OF ABOUT 475-490, WHOSE ULTRAVOILET SPECTRUM SHOWS PEAKS AT 239 MU, 336 MU AND 351 MU, WITH K VALUES OF 7.52 AT 239 MU, 147.8 AT 336 MU AND 136.4 AT 351 MU, WHOSE INFRARED SPECTRUM SHOWS BANDS AT THE FOLLOWING FREQUENCIES EXPRESSED IN RECIPROCAL CENTIMETERS, 3120, 1714, 1632, 1597, 1576, 1491, 1377, 1230, 1163, 1124, 1013, AND 838, FORMIGN A METHYL ESTER MELTING AT 145-147 DEGREES CENTRIGRADE, AND OCTABROMIDE MELTING AT 118-122 DEGREES CENTIGRADE, AN AMINE CHARRING AT 160 DEGREES CENTIGRADE, AND A 2,4-DINITROPHENYLHYDRAZONE MELTING AT 123-126 DEGREES CENTIGRADE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |