Patent US4609490A successfully refreshed from Google Patents.
US4609490A
Expired / Lapsed
US
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Preparation of defoaming agent for the manufacture of bean curd
Assignee: Astellas Pharma Inc
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Filing: 1984-08-06
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Granted: 1986-09-02
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Expires: 2004-08-06
Abstract
Abstract A process for preparing a defoaming agent for the manufacture of bean curd which comprises blending glycerol fatty acid esters containing not less than ca. 90% of glycerol fatty acid monoester(s) with additives, then melting the resulting mixture, then granulating the resultant, and then selecting the granules, the size of which is not less than 300 μm by sieving.
Inventors
- 👤 Masumi Itoh
- 👤 Seishi Takenawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:15
CPC Classifications
A; A23; A23C; A23C11/00; A23C11/02; A23C11/10; A23C11/103; A23L; A23L11/00; A23L11/40; A23L11/45; A23L11/60; A23L11/65; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A process for preparing a defoaming agent for the manufacture of bean curd which comprises blending glycerol fatty acid ester(s) containing not less than about 90% of glycerol fatty acid monoester(s) with additive(s) and then melting the resulting mixture and then granulating the resultant and then selecting the granules, the size of which is not less than 300 μm by sieving.
Claim 2
Dependent Claim
61 words
A process for preparing a defoaming agent for the manufacture of bean curd which comprises blending glycerol fatty acid ester(s) containing not less than about 90% of glycerol fatty acid monoester(s) with additive(s) and then melting the resulting mixture and then granulating the resultant and then selecting the granules, the size of which is not less than 300 μm by sieving.
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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) | 1989-09-01 | 1990-03-03 | 1990-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-09-01 | 1994-03-03 | 1994-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-09-01 | 1998-03-03 | 1998-09-02 | $7700.00 | Window Closed / Lapsed |