Patent US2928498A successfully refreshed from Google Patents.
US2928498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of absorbing the spray of organic liquids in spraying chambers
Assignee: BASF Schweiz AG
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Filing: 1958-05-13
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Granted: 1960-03-15
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Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Schmid-Nisoli Theodor
- 👤 Duerig Gottfried
- 👤 Paul Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:24
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN THE ABSORPTION OF THE SPRAY OF ORGANIC LIQUIDS IN LACQUER SPAYING CHAMBERS BY SURFACE CONTACT WITH WATER THE IMPROVEMENT WHICH COMPRISES USING, FOR ABSORBING THE SPRAY OF THE ORGANIC LIQUDS, WATER WHICH CONTAINS A WATER-SOLUBLE CELLULOSE ETHER OF AN ALIPHATIC HYDROXY COMPOUND OF LOW MOLECULAR WEIGHT.
Claim 2
Dependent Claim
47 words
IN THE ABSORPTION OF THE SPRAY OF ORGANIC LIQUIDS IN LACQUER SPAYING CHAMBERS BY SURFACE CONTACT WITH WATER THE IMPROVEMENT WHICH COMPRISES USING, FOR ABSORBING THE SPRAY OF THE ORGANIC LIQUDS, WATER WHICH CONTAINS A WATER-SOLUBLE CELLULOSE ETHER OF AN ALIPHATIC HYDROXY COMPOUND OF LOW MOLECULAR WEIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |