Patent US3555102A successfully refreshed from Google Patents.
US3555102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing a vinyl fluoride
Assignee: Taiheiyo Cement Corp
•
Filing: 1969-04-16
•
Granted: 1971-01-12
•
Expires: 1989-04-16
Abstract
Abstract THIS INVENTION RELATES TO AN IMPROVED CATALYST USABLE FOR PRODUCING VINYL FLUORIDE AND A METHOD OF PRODUCING VINYL FLUORIDE BY USING SUCH AN IMPROVED CATALYST. THE CATALYST IS COMPRISED OF A POROUS CARRIER WHICH IS IMPREGNATED WITH AT LEAST ONE MEMBER SELECTED FROM MERCURIC COMPOUNDS AND AT LEAST ONE MEMBER SELECTED FROM INORGANIC COMPOUNDS OF PB, SN, CD AND ZN. THE VINYL FLUORIDE IS PRODUCED BY THE REACTION OF ACETYLENE AND HYDROGEN FLUORIDE IN THE PRESENCE OF THE ABOVE CATALYST.
Inventors
- 👤 Eiji Ogura
- 👤 Kiyotada Hatabu
- 👤 Nobuki Nomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:53
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C17/00; C07C17/07; C07C17/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |