US3116202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic streptovaricin and process for its production
Assignee: Pharmacia and Upjohn Co
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Filing: 1956-07-23
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Granted: 1963-12-31
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Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Dietz Alma
- 👤 Boer Clarence De
- 👤 Robert M Smith
- 👤 Siminoff Paul
- 👤 Gerald A Boyack
- 👤 Jr George B Whitfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:44
CPC Classifications
C; C12; C12P; C12P17/00; C12P17/18; C12P17/188; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SUBSTANCE STREPTOVARICIN A CHARACTERIZED AS FOLLOWS: MELTING POINT: 195-200 DEGREES CENTIGRADE ANALYSIS: PERCENT C 59.72 H 6.57 N 1.87 ACYL 18.17SP@ SPECIFIC ROTATION (A)D24(CHCL3):+618 DEGREES MOLECULAR WEIGHT OF ITS DIOXANE SOLVATE: 810 INFARED SPECTRUM: AS SHOWN IN FIGURE 6 ULTRAVIOLET SPECTRUM: AS SHOWN IN FIGURE 11 SOLUBILITY IN THE PH RANGE OF 2-6: (1) SOLUBLE IN ALKANOIS, LOWER-ALKYL ACETATES, LOWER-ALKYL KETONES, CHLORINATED ALIPHATIC HYDROCARBONS, AND DIOXANE, (2) SLIGHTLY SOLUBLE IN CARBON TETRACHLORIDE, TOLUENE, LOWER-ALKYL ETHERS, AND WATER.
Claim 2
Dependent Claim
78 words
A SUBSTANCE STREPTOVARICIN A CHARACTERIZED AS FOLLOWS: MELTING POINT: 195-200 DEGREES CENTIGRADE ANALYSIS: PERCENT C 59.72 H 6.57 N 1.87 ACYL 18.17SP@ SPECIFIC ROTATION (A)D24(CHCL3):+618 DEGREES MOLECULAR WEIGHT OF ITS DIOXANE SOLVATE: 810 INFARED SPECTRUM: AS SHOWN IN FIGURE 6 ULTRAVIOLET SPECTRUM: AS SHOWN IN FIGURE 11 SOLUBILITY IN THE PH RANGE OF 2-6: (1) SOLUBLE IN ALKANOIS, LOWER-ALKYL ACETATES, LOWER-ALKYL KETONES, CHLORINATED ALIPHATIC HYDROCARBONS, AND DIOXANE, (2) SLIGHTLY SOLUBLE IN CARBON TETRACHLORIDE, TOLUENE, LOWER-ALKYL ETHERS, AND WATER.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |