Patent US3148227A successfully refreshed from Google Patents.
US3148227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of unsaturated hydrocarbons from oxygen-containing organic materials
Assignee: Fort James Corp
•
Filing: 1961-05-04
•
Granted: 1964-09-08
•
Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 William M Hearon
- 👤 David W Goheen
- 👤 John T Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:20
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; Y; Y02; Y02P; Y02P30/00; Y02P30/20; Y02P30/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE PROCESS OF PREPARING UNSATURATED HYDROCARBONS OF THE GROUP CONSISTING OF ACETYLENE AND ETHYLENE FROM OXYGEN-CONTAINING ORGANIC MATERIALS COMPRISING AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF THE LIGNINS, THE LIGOCELLULOSES, AND THE CARBOHYDRATES, SAID PROCESS COMPRISING: REDUCING THE MATERIAL TO A FINELY DIVIDED FORM, RAPIDLY HEATING THE MATERIAL IN A SUBSTANTIALLY INERT GASEOUS ENVIRONMENT TO A SELECTED TEMPERATURE OF AT LEAST 1000* F., MAINTAINING THE MATERIAL AT THE SELECTED TEMPERATURE FOR A TIME FROM 10**-4 SECONDS TO ABOUT 10 SECONDS, THEREBY COVERTING A SUBSTANTIAL PROPORTION OF IT TO A REACTION PRODUCT INCLUDING A SUBSTANTIAL PROPORTION OF UNSATURATED HYDROCARBON, RAPIDLY COOLING THE REACTION PRODUCT, AND SEPARATING THE UNSATURATED HYDROCARBON COMPONENT THEREFROM.
Claim 2
Dependent Claim
112 words
THE PROCESS OF PREPARING UNSATURATED HYDROCARBONS OF THE GROUP CONSISTING OF ACETYLENE AND ETHYLENE FROM OXYGEN-CONTAINING ORGANIC MATERIALS COMPRISING AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF THE LIGNINS, THE LIGOCELLULOSES, AND THE CARBOHYDRATES, SAID PROCESS COMPRISING: REDUCING THE MATERIAL TO A FINELY DIVIDED FORM, RAPIDLY HEATING THE MATERIAL IN A SUBSTANTIALLY INERT GASEOUS ENVIRONMENT TO A SELECTED TEMPERATURE OF AT LEAST 1000* F., MAINTAINING THE MATERIAL AT THE SELECTED TEMPERATURE FOR A TIME FROM 10**-4 SECONDS TO ABOUT 10 SECONDS, THEREBY COVERTING A SUBSTANTIAL PROPORTION OF IT TO A REACTION PRODUCT INCLUDING A SUBSTANTIAL PROPORTION OF UNSATURATED HYDROCARBON, RAPIDLY COOLING THE REACTION PRODUCT, AND SEPARATING THE UNSATURATED HYDROCARBON COMPONENT THEREFROM.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |