US3069308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxyalkylated alcohol process
Assignee: Baker Petrolite LLC
•
Filing: 1960-04-20
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Granted: 1962-12-18
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Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Lissant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:46
CPC Classifications
D; D21; D21C; D21C5/00; D21C5/02; D21C5/025; D21C5/027; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS OF DEINKING PAPER PRODUCTS CHARACTERIZED BY PULPING IMPRINTED PAPER WITH A CAUSTIC-FREE AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF A MINOR AMOUNT OF OXYLALKYLATED ALCOHOL IN WATER, REMOVING THE INK PARTICULES FROM THE AQUEOUS SOLUTION, AND THEREUPON SEPARATING THE PAPER PULP FROM THE AQUEOUS SOLUTION.
Claim 2
Dependent Claim
45 words
A PROCESS OF DEINKING PAPER PRODUCTS CHARACTERIZED BY PULPING IMPRINTED PAPER WITH A CAUSTIC-FREE AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF A MINOR AMOUNT OF OXYLALKYLATED ALCOHOL IN WATER, REMOVING THE INK PARTICULES FROM THE AQUEOUS SOLUTION, AND THEREUPON SEPARATING THE PAPER PULP FROM THE AQUEOUS SOLUTION.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |