Patent US2881145A successfully refreshed from Google Patents.
US2881145A
Expired / Lapsed
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Alkyd resins containing reactive pigments stabilized with alkyl esters of phosphoricacid
Assignee: Wyeth Holdings LLC
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Filing: 1955-11-07
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Granted: 1959-04-07
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Schmutzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:15
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A COATING COMPOSITION COMPRISING (1) A GLYCERIDE OIL MODIFIED ALKYD RESIN, (2) A REACTIVE PIGMENT SELECTED FROM THE GROUP CONSISTING OF A ZINC PIGMENT, WHITE LEAD, CHROME YELLOW, MOLYBDATE ORANGE, LITHARGE AND PEACOCK BLUE AND (3) BETWEEN ABOUT 0.1%-10% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID PIGMENT OF A TRIALKYL ESTER OF A PHOSPHORUS-CONTAINING ACID WHEREIN SAID ALKYL GROUPS CONTAIN BETWEEN 2 AND 6 CARBON ATOMS.
Claim 2
Dependent Claim
68 words
A COATING COMPOSITION COMPRISING (1) A GLYCERIDE OIL MODIFIED ALKYD RESIN, (2) A REACTIVE PIGMENT SELECTED FROM THE GROUP CONSISTING OF A ZINC PIGMENT, WHITE LEAD, CHROME YELLOW, MOLYBDATE ORANGE, LITHARGE AND PEACOCK BLUE AND (3) BETWEEN ABOUT 0.1%-10% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID PIGMENT OF A TRIALKYL ESTER OF A PHOSPHORUS-CONTAINING ACID WHEREIN SAID ALKYL GROUPS CONTAIN BETWEEN 2 AND 6 CARBON ATOMS.
References Cited (Backward Citations)
GB588834A
Cited
US2437232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |