US3000976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of fluorinated aromatic compounds
Assignee: National Research Development Corp UK
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Filing: 1959-10-30
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Granted: 1961-09-19
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Patrick Colin Russell
- 👤 Stacey Maurice
- 👤 Tatlow John Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:22
CPC Classifications
C; C07; C07B; C07B39/00; C07C; C07C17/00; C07C17/013; C07C17/02; C07C17/23; C07C25/00; C07C25/18; C07C25/22; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/20; C07C2603/22; C07C2603/24; C07C2603/26; C07C2603/40; C07C2603/42; C07C2603/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR MANUFACTURE OF A HIGHLY FLUORINATED AROMATIC COMPOUND FROM VAPORISED HIGHLY FLUORINATED ALICYCLIC COMPOUND CONTAINING AT LEAST ONE RING WHICH IS A MEMBER OF THE GROUP CONSISTING OF HEXANE AND HEXENE RINGS AND WHEREIN A SAID ALICYCLIC COMPOUND IS REACTED AT A TEMPERATURE OF BETWEEN ABOUT 350* AND 600*C. WITH A METAL REACTIVE WITH FLOURINE TO PRODUCE A STABLE FLOURIDE.
Claim 2
Dependent Claim
62 words
A PROCESS FOR MANUFACTURE OF A HIGHLY FLUORINATED AROMATIC COMPOUND FROM VAPORISED HIGHLY FLUORINATED ALICYCLIC COMPOUND CONTAINING AT LEAST ONE RING WHICH IS A MEMBER OF THE GROUP CONSISTING OF HEXANE AND HEXENE RINGS AND WHEREIN A SAID ALICYCLIC COMPOUND IS REACTED AT A TEMPERATURE OF BETWEEN ABOUT 350* AND 600*C. WITH A METAL REACTIVE WITH FLOURINE TO PRODUCE A STABLE FLOURIDE.
References Cited (Backward Citations)
US2488216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |