US2795529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hyaluronidase solution containing calcium chloride
Assignee: Wyeth LLC
•
Filing: 1954-06-17
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Granted: 1957-06-11
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Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alburn
- 👤 Robert W Whitley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:03
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/43; A61K38/46; A61K38/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A STABILIZED SOLUTION FOR PARENTERAL USE COMPRISING HYALURONIDASE IN AN AMOUNT TO FURNISH 25-1000 TRU PER MILLILITER, AN AMOUNT OF ETHYLENEDIAMINETETRAACETIC ACID APPROXIMATELY EQUIVALENT TO -.1-1.0 M. DISODIUM ETHYLENEDIAMINETETRAACETATE DIHYDRATE PER MILLILITER, APPROXIMATELY 0.1-0.2 M NACL, APPROXIMATELY 0.25-0.3 G. CACL2 FOR EACH GRAM OF DISODIUM ETHYLENEDIAMINETETRAACETATE DIHYDRATE, AND A NON-TOXIC BUFFER TO PROVIDE A REACTION IN THE APPROXIMATE RANGE PH 4.5-8.0.
Claim 2
Dependent Claim
61 words
A STABILIZED SOLUTION FOR PARENTERAL USE COMPRISING HYALURONIDASE IN AN AMOUNT TO FURNISH 25-1000 TRU PER MILLILITER, AN AMOUNT OF ETHYLENEDIAMINETETRAACETIC ACID APPROXIMATELY EQUIVALENT TO -.1-1.0 M. DISODIUM ETHYLENEDIAMINETETRAACETATE DIHYDRATE PER MILLILITER, APPROXIMATELY 0.1-0.2 M NACL, APPROXIMATELY 0.25-0.3 G. CACL2 FOR EACH GRAM OF DISODIUM ETHYLENEDIAMINETETRAACETATE DIHYDRATE, AND A NON-TOXIC BUFFER TO PROVIDE A REACTION IN THE APPROXIMATE RANGE PH 4.5-8.0.
References Cited (Backward Citations)
US1243349A
Cited
GB651545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |