US3798128A
Expired / Lapsed
US
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Method for the production of granular enzyme preparation
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1971-04-05
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Granted: 1974-03-19
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Expires: 1991-04-05
Abstract
Abstract THE PRESENT INVENTION RELATES TO AN IMPROVED PROCESS FOR PRODUCING A GRANULAR ENZYME PREPARATION WHICH COMPRISES BLENDING AN AQUEOUS ENZYME SOLUTION AND WATER SOLUBLE SALT WITH A HYDROPHILIC ORGANIC SOLVENT AT SPECIFIC CONCENTRATION AND TEMPERATURE. THE ADVANTAGES OF THE PROCESS INCLUDE IMPROVED EASE OF HANDLING SAFETY AND UNIFORMITY OF PRODUCT.
Inventors
- 👤 S Minato
- 👤 J Goto
- 👤 K Katagiri
- 👤 H Nakatani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:07
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/98; C11; C11D; C11D3/00; C11D3/16; C11D3/38; C11D3/386; C11D3/38672; C12N9/14; C12N9/48; C12N9/50; C12N9/58; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/929
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |