US2565897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drier compositions
Assignee: —
•
Filing: —
•
Granted: 1951-08-28
•
Expires: 1968-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
C; C09; C09F; C09F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A DRIER COMPOSITION THE ACTIVE DRYING CONSTITUENTS OF WHICH CONSIST ESSENTIALLY OF A MIXTURE OF A MANGANESE DRIER AND A MODIFIER SELECTED FROM THE GROUP CONSISTING OF A O-PHENANTHROLINE, A-PHENANTHROLINE MONOHYDRATE AND ALPHA, ALPHA''-DIPYRIDYL, THE WEIGHT RATIO OF SAID MODIFIER TO THE MANGANESE CONTAINED IN SAID MANGANESE DRIER BEING WITHIN THE RANGE FROM ABOUT 0.5 TO ABOUT 10.0.
Claim 2
Dependent Claim
58 words
A DRIER COMPOSITION THE ACTIVE DRYING CONSTITUENTS OF WHICH CONSIST ESSENTIALLY OF A MIXTURE OF A MANGANESE DRIER AND A MODIFIER SELECTED FROM THE GROUP CONSISTING OF A O-PHENANTHROLINE, A-PHENANTHROLINE MONOHYDRATE AND ALPHA, ALPHA''-DIPYRIDYL, THE WEIGHT RATIO OF SAID MODIFIER TO THE MANGANESE CONTAINED IN SAID MANGANESE DRIER BEING WITHIN THE RANGE FROM ABOUT 0.5 TO ABOUT 10.0.
References Cited (Backward Citations)
US2075230A
Cited
US2456824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |