Patent US1941411A successfully refreshed from Google Patents.
US2676998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinolysis of methane
Assignee: Diamond Shamrock Corp
•
Filing: 1951-01-13
•
Granted: 1954-04-27
•
Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Kuntz
- 👤 George J Disberger
- 👤 Arthur L Cocherell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:42
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818; B01J8/1827; C07C17/26; C07C17/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
THE METHOD FOR THE CHLORINOLYSIS OF METHANE WHICH INCLUDES THE STEPS OF PASSING A GASEOUS STREAM OF A MIXTURE OF CHLORINE AND METHANE IN CONTACT WITH A FLUIDIZED MASS OF SURFACE-CATALYST PARTICLES IN A REACTION ZONE MAINTAINED AT A TEMPERATURE SUBSTANTIALLY WITHIN THE RANGE 300*370* C., SAID CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF CHARCOAL, SYNTHETIC ALUMINUM SILICATE, SYNTHETIC SILICA-ALUMINA GEL, SILICA GEL AND FULLER''S EARTH, SAID MASS OF PARTICLES BEING BUOYANTLY SUPPORTED BY AND SUSPENDED IN SAID ZONE BY THE FORCE OF THE MOTION OF SAID STREAM AND OF THE REACTION PRODUCTS OF THE COMPONENTS THEREOF, THE MOLAR RATIO OF METHANE TO CHLORINE IN SAID STREAM BEING SUBSTANTIALLY WITHIN THE RANGE OF 1:3.6 TO 1:4, REMOVING THE REACTION PRODUCTS OF SAID MIXTURE FROM CONTACT WITH SAID MASS OF PARTICLES, AND SEPARATING CARBON TETRACHLORIDE AND PERCHLORETHYLENE FROM THE OTHER COMPONENTS OF SAID REACTION PRODUCTS.
Claim 2
Independent Claim
145 words
THE METHOD FOR THE CHLORINOLYSIS OF METHANE WHICH INCLUDES THE STEPS OF PASSING A GASEOUS STREAM OF A MIXTURE OF CHLORINE AND METHANE IN CONTACT WITH A FLUIDIZED MASS OF SURFACE-CATALYST PARTICLES IN A REACTION ZONE MAINTAINED AT A TEMPERATURE SUBSTANTIALLY WITHIN THE RANGE 300*370* C., SAID CATALYST BEING SELECTED FROM THE GROUP CONSISTING OF CHARCOAL, SYNTHETIC ALUMINUM SILICATE, SYNTHETIC SILICA-ALUMINA GEL, SILICA GEL AND FULLER''S EARTH, SAID MASS OF PARTICLES BEING BUOYANTLY SUPPORTED BY AND SUSPENDED IN SAID ZONE BY THE FORCE OF THE MOTION OF SAID STREAM AND OF THE REACTION PRODUCTS OF THE COMPONENTS THEREOF, THE MOLAR RATIO OF METHANE TO CHLORINE IN SAID STREAM BEING SUBSTANTIALLY WITHIN THE RANGE OF 1:3.6 TO 1:4, REMOVING THE REACTION PRODUCTS OF SAID MIXTURE FROM CONTACT WITH SAID MASS OF PARTICLES, AND SEPARATING CARBON TETRACHLORIDE AND PERCHLORETHYLENE FROM THE OTHER COMPONENTS OF SAID REACTION PRODUCTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |