US3759896A
Expired / Lapsed
US
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Process for manufacture of polysaccharides with antitumor action
Assignee: Individual
•
Filing: 1971-06-10
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Granted: 1973-09-18
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Expires: 1991-06-10
Abstract
Abstract PROCESS FOR MANUFACTURE OF POLYSACCHARIDES WITH ANTITUMOR ACTION, MAINLY CONSISTING OF B-(1->3)-LINKED D-GLUCOSE RESIDUE.
Inventors
- 👤 K Kimura
- 👤 N Komatsu
- 👤 S Kikumoto
- 👤 Y Momoki
- 👤 S Takada
- 👤 S Sakai
- 👤 T Kamasuka
- 👤 T Yamamoto
- 👤 J Sugayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:56
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/04; A; A61; A61K; A61K36/00; A61K36/06; A61K36/062; A61K36/07; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 0
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |