US2627504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric containing halogenated aromatic hydrocarbon and mono ortho tolyl biguanide as corrosion inhibitor
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-07-14
•
Granted: 1953-02-03
•
Expires: 1968-07-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar E Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:13
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; C; C09; C09K; C09K5/00; C09K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A HEAT TRANSFER AND DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF CHLORINATED BIPHENYL AND FROM ABOUT 0.05% TO ABOVE 1% BY WEIGHT OF MONO ORTHO TOLYL BIGUANIDE.
Claim 2
Dependent Claim
25 words
A HEAT TRANSFER AND DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF CHLORINATED BIPHENYL AND FROM ABOUT 0.05% TO ABOVE 1% BY WEIGHT OF MONO ORTHO TOLYL BIGUANIDE.
References Cited (Backward Citations)
US2077429A
Cited
US2041594A
Cited
US2043257A
Cited
US2069711A
Cited
US2125381A
Cited
US2339091A
Cited
US2468544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |