US2675320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated pigment and mineral oil ink containing same
Assignee: Wyeth Holdings LLC
•
Filing: 1951-06-12
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Granted: 1954-04-13
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Expires: 1971-06-12
Abstract
No abstract record available.
Inventors
- 👤 George L M Christopher
- 👤 Tarantino Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:05
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/037; C09C; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/80; C01P2006/00; C01P2006/12; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PIGMENTED MINERAL OIL INK, THE PIGMENT BEING ASSOCIATED WITH A STRONGLY BASIC METAL SALT OF A SULFOSUCCINATE ESTER HAVING AT LEAST ONE ALCOHOL RESIDUE ATTACHED TO A CARBOXYL GROUP OF THE SULFOSUCCINATE ACID, THE SULFONIC ACID GROUP BEING ATTACHED TO THE STRONGLY BASIC METAL, THE TOTAL NUMBER OF CARBON ATOMS IN THE ALCOHOL RESIDUES BEING AT LEAST 18 AND THE AMOUNT OF THE SULFONSUCCINATE BEING AT LEAST SUFFICIENT FOR A MONOMOLECULAR FILM COVERING THE PIGMENT PARTICLES.
Claim 2
Dependent Claim
77 words
A PIGMENTED MINERAL OIL INK, THE PIGMENT BEING ASSOCIATED WITH A STRONGLY BASIC METAL SALT OF A SULFOSUCCINATE ESTER HAVING AT LEAST ONE ALCOHOL RESIDUE ATTACHED TO A CARBOXYL GROUP OF THE SULFOSUCCINATE ACID, THE SULFONIC ACID GROUP BEING ATTACHED TO THE STRONGLY BASIC METAL, THE TOTAL NUMBER OF CARBON ATOMS IN THE ALCOHOL RESIDUES BEING AT LEAST 18 AND THE AMOUNT OF THE SULFONSUCCINATE BEING AT LEAST SUFFICIENT FOR A MONOMOLECULAR FILM COVERING THE PIGMENT PARTICLES.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |