Patent US3738822A successfully refreshed from Google Patents.
US3738822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gibberellin preparations
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1969-03-28
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Granted: 1973-06-12
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Expires: 1989-03-28
Abstract
Abstract THE SOLUBILITY OF THE GIBBERELLINS IN AQUEOUS SOLUTTIONS IS IMPROVED BY INCORPORATING AT LEAST ONE MEMBER OF THE GROUP CONSISTING OFF A NEUTRAL AMINO ACID HAVING PKA VALUE OF 3 TO 5, A SALT OF AN ACIDIC AMINO ACID HAVING A PKA VALUE DUE TO AT LEAST ONE OF THE CARBOXYL GROUPS OF 3 TO 5 AND A BASIC AMINO ACID HAVING PKA VALUE DUE TO AT LEAST ONE OF THE AMMONIUM GROUPS OF 8 TO 13, COMPOSITIONS HAVINGG GROWTH PROMOTING ACTIVITY ARE ALSO PROVIDED. BED TO THUS APPRECIABLY INCREASE THEIR SIZE.
Inventors
- 👤 Y Asahi
- 👤 H Nakamachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:26
CPC Classifications
A; A01; A01N; A01N45/00
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) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |