Patent US313501A successfully refreshed from Google Patents.
Patent US4451569A successfully refreshed from Google Patents.
US4451569A
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Stable enzyme composition
Assignee: Toyobo Co Ltd
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Filing: 1982-07-01
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Granted: 1984-05-29
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Expires: 2002-07-01
Abstract
Abstract There is provided a stable enzyme composition comprising glutathione peroxidase and at least one stabilizer compound selected from the group consisting of pentoses, hexoses, penthahydric sugar alcohols, hexahydric sugar alcohols and disaccharides.
Inventors
- 👤 Setsuo Kobayashi
- 👤 Kazuo Beppu
- 👤 Hiroshi Shimizu
- 👤 Satoshi Ogawa
- 👤 Ryotaro Kotani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:15
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/0004; C12N9/0065; C12N9/96
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
32 words
A stable enzyme composition in freeze-dried form comprising glutathione peroxidase and at least one stabilizer compound selected from the group consisting of pentoses, hexoses, pentahydric sugar alcohols, hexahydric sugar alcohols and disaccharides.
Claim 2
Dependent Claim
32 words
A stable enzyme composition in freeze-dried form comprising glutathione peroxidase and at least one stabilizer compound selected from the group consisting of pentoses, hexoses, pentahydric sugar alcohols, hexahydric sugar alcohols and disaccharides.
Claim 3
Dependent Claim
22 words
The composition as claimed in claim 1 wherein the pentoses are D-, L-arabinose, D-L-xylose, D-, L-lyxose, D-ribose, D-, 1*xylulose and D-, L-ligrose.
Claim 4
Dependent Claim
18 words
The composition as claimed in claim 1 wherein the hexoses are D-, L-galactose, D-glucose, D-mannose, D-sorbose and D-fructose.
Claim 5
Dependent Claim
16 words
The composition as claimed in claim 1 wherein the pentahydric sugar alcohols are D-arabitol and xylitol.
Claim 6
Dependent Claim
17 words
The composition as claimed in claim 1 wherein the hexahydric sugar alcohols are galactitol, D-sorbitol and D-mannitol.
Claim 7
Dependent Claim
20 words
The composition as claimed in claim 1 wherein the disaccharides are xylobiose, maltose, isomaltose, laminaribiose, cellobiose, gentiobiose, lactose and sucrose.
Claim 8
Dependent Claim
28 words
The composition as claimed in any of the preceding claims, wherein the amount of the stabilizer compound is at least equal to the protein weight of glutathione peroxidase.
Claim 9
Dependent Claim
25 words
The composition as claimed in claim 7 wherein the amount of the stabilizer compound is 1 to 10 times the protein weight of glutathione peroxidase.
References Cited (Backward Citations)
US3133001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-29 | 1987-11-28 | 1988-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-29 | 1991-11-28 | 1992-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-29 | 1995-11-28 | 1996-05-29 | $7700.00 | Window Closed / Lapsed |