US3079985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing soluble, sporicidally active solid polyglyoxals
Assignee: Ethicon Inc
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Filing: 1959-09-29
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Granted: 1963-03-05
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Boehme Werner Richard
- 👤 Chinery Edwin Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:37
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; C; C07; C07C; C07C45/00; C07C45/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE PROCESS OF PREPARING A DRY, SOLID BLYOXAL PRODUCT WHICH COMPRISES THE STEP OF SPRAY-DRYING AN AQUEOUS SOLUTION OF GLYOXAL CONTAINING ETHLYENE GLYCOL AT AN INLET AIR TEMPERATURE OF FROM ABOUT 150*F. TO ABOUT 400*F. AND AN OUTLET AIR TEMPERATURE OF AT LEAST 50* LESS THAN THE INLET AIR TEMPERATURE, AN AMOUNT OF FROM ABOUT 10% TO ABOUT 100% OF THE CONTAINED GLYOXAL OF AN ALKALI METAL SALT BEING INCORPORATED THEREIN.
Claim 2
Dependent Claim
71 words
THE PROCESS OF PREPARING A DRY, SOLID BLYOXAL PRODUCT WHICH COMPRISES THE STEP OF SPRAY-DRYING AN AQUEOUS SOLUTION OF GLYOXAL CONTAINING ETHLYENE GLYCOL AT AN INLET AIR TEMPERATURE OF FROM ABOUT 150*F. TO ABOUT 400*F. AND AN OUTLET AIR TEMPERATURE OF AT LEAST 50* LESS THAN THE INLET AIR TEMPERATURE, AN AMOUNT OF FROM ABOUT 10% TO ABOUT 100% OF THE CONTAINED GLYOXAL OF AN ALKALI METAL SALT BEING INCORPORATED THEREIN.
References Cited (Backward Citations)
US2018797A
Cited
GB653588A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |