US2806815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hyaluronidase
Assignee: Ortho Pharmaceutical Corp
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Filing: 1955-04-12
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Granted: 1957-09-17
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Singher Heron Orlando
- 👤 Lowy Richard Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:36
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2405; C12N9/2408; A; A61; A61K; A61K47/00; A61K47/06; A61K47/16; A61K47/18; A61K47/183; A61K47/20; C12N9/96; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
STABILIZED AQUEOUS HYALURONIDASE SOLUTION CONTAINING AS A STABILIZER A WATER-SOLUBLE, METAL-COMBINING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMINO ACIDS, DIGLYCINE, TRIGLYCINE, GLYCOL-GLYCINE AMIDE, SARCOSINE, BETAINE, TAURINE, ETHYLENE DIAMINE DISCATIC ACID, ETHYLENE DIAMINE TRI-ACETIC ACID, AND ETHYLENE DIAMINE TETRA-ACETIC ACID HAVING A STABILITY CONSTANT FOR METALS GREATERR THAN THAT OF HYALURONIDASE AND A SOLUBILITY IN WATER AND ISOTONIC SALINE SOLUTION SUFFICIENT TO PROVIDE A SOLUTION THEREOF HAVING A MOLARITY WITH RESPECT THERETO OF FROM ABOUT 0.2 ABOUT 0.1; AND A NEUTRAL SALT IN AN AMOUNT SUCH THAT THE IONIC STRENGHT OF THE SOLUTION IS WITHIN THE RANGE OF ABOUT 0.05 TO 0.25.
Claim 2
Dependent Claim
102 words
STABILIZED AQUEOUS HYALURONIDASE SOLUTION CONTAINING AS A STABILIZER A WATER-SOLUBLE, METAL-COMBINING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF AMINO ACIDS, DIGLYCINE, TRIGLYCINE, GLYCOL-GLYCINE AMIDE, SARCOSINE, BETAINE, TAURINE, ETHYLENE DIAMINE DISCATIC ACID, ETHYLENE DIAMINE TRI-ACETIC ACID, AND ETHYLENE DIAMINE TETRA-ACETIC ACID HAVING A STABILITY CONSTANT FOR METALS GREATERR THAN THAT OF HYALURONIDASE AND A SOLUBILITY IN WATER AND ISOTONIC SALINE SOLUTION SUFFICIENT TO PROVIDE A SOLUTION THEREOF HAVING A MOLARITY WITH RESPECT THERETO OF FROM ABOUT 0.2 ABOUT 0.1; AND A NEUTRAL SALT IN AN AMOUNT SUCH THAT THE IONIC STRENGHT OF THE SOLUTION IS WITHIN THE RANGE OF ABOUT 0.05 TO 0.25.
References Cited (Backward Citations)
GB651545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |