Patent US5986943A successfully refreshed from Google Patents.
Patent US3698358A successfully refreshed from Google Patents.
US3698358A
Expired / Lapsed
US
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Method for maintaining freshness of aquatic animals
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1971-02-03
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Granted: 1972-10-17
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Expires: 1991-02-03
Abstract
Abstract A method and compositions for maintaining the freshness or viability of live, hard-skinned crustaceous type aquatic animals wherein in said method said animals are embedded in a granular filler composition comprising expanded vermiculite particles. The expanded vermiculite can advantageously be prepared from a dry composition comprising unexpanded vermiculite particles and a hydrogen peroxide addition compound by the addition of water thereto but expanded vermiculite made in other ways is also useful for the purpose.
Inventors
- 👤 Takeo Wada
- 👤 Kazuo Okada
- 👤 Masaru Ohyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:51
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/02; A01N; A01N1/00; A01N1/10; A01N1/12; A01N1/122
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
27 words
The method according to claim 1, wherein the vermiculite particles are of an average size of about 1 to 8 millimeters in at least two dimensional directions.
Claim 2
Dependent Claim
21 words
The method according to claim 1, wherein the filler comprises at least 8 percent by weight of the expanded vermiculite particles.
Claim 3
Dependent Claim
18 words
The method according to claim 1, wherein the vermiculite is one expanded in the presence of hydrogen peroxide.
Claim 4
Dependent Claim
13 words
The method according to claim 1, wherein the aquatic animal is a crustacean.
Claim 5
Dependent Claim
13 words
The method according to claim 1, wherein the aquatic animal is a shellfish.
Claim 6
Dependent Claim
13 words
The method according to claim 1, wherein the aquatic animal is a nereid.
Claim 7
Dependent Claim
24 words
A habitat for embedding crustaceous type marine life which comprises a container substantially filled with containing a granular filler which comprises expanded vermiculite particles.
Claim 8
Dependent Claim
36 words
A habitat as in claim 8 wherein the filler material comprises sawdust and expanded vermiculite particles, the said vermiculite particles being present in an amount of at least 8 percent by weight of the filler material.
Claim 9
Dependent Claim
26 words
A habitat as in claim 9 wherein the vermiculite particles are present in an amount of at least 20 percent by weight of the filler material.
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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |