Patent US2510295A successfully refreshed from Google Patents.
US2510295A
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Ethanol rosin amines
Assignee: Hercules Powder Co
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Filing: 1948-12-18
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Granted: 1950-06-06
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Expires: 1968-12-18
Abstract
No abstract record available.
Inventors
- 👤 Rosher Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:29
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
AS A NEW COMPOSITION OF MATTER AN N-ETHANOL ROSIN AMINE IN WHICH NO ETHANOL GROUP IS SUBSTITUTED.
Claim 2
Dependent Claim
17 words
AS A NEW COMPOSITION OF MATTER AN N-ETHANOL ROSIN AMINE IN WHICH NO ETHANOL GROUP IS SUBSTITUTED.
Claim 3
Independent Claim
38 words
THE METHOD OF PRODUCING AN ETHANOL ROSIN AMINE WHICH COMPRISES REACTING ETHYLENE OXIDE WITH A ROSIN AMINE IN SOLUTION WITH AT LEAST 15% BY WEIGHT OF A VOLATILE ALIPHATIC ALCOHOL AND IN THE ABSENCE OF AN ALKALINE CATALYST.
Claim 4
Independent Claim
38 words
THE METHOD OF PRODUCING AN ETHANOL ROSIN AMINE WHICH COMPRISES REACTING ETHYLENE OXIDE WITH A ROSIN AMINE IN SOLUTION WITH AT LEAST 15% BY WEIGHT OF A VOLATILE ALIPHATIC ALCOHOL AND IN THE ABSENCE OF AN ALKALINE CATALYST.
References Cited (Backward Citations)
US2194429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |