US2869994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel gas composition containing odorant
Assignee: Pennwalt Corp
•
Filing: 1956-08-21
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Granted: 1959-01-20
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Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Ashley D Nevers
- 👤 Edward M Fettes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:43
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/003; C10L3/006; C10J; C10J1/00; Y; Y10; Y10S; Y10S48/00; Y10S48/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
57 words
THE COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF NATURAL GAS, MIXTURES OF NATURAL GAS AND MANUFACTURED GAS, COKE OVEN GAS AND LIQUEFIED PETROLEUM GAS AND AT LEAST 0.04 POUNDS DIALKYL P-THIOXANE PER MILLION CUBIC FEET OF THE SAID GAS, THE ALKYL SUBSTITUENTS OF THE SAID DIALKYL P-THIOXANE BEING LIMITED FROM 1 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
57 words
THE COMPOSITION COMPRISING A MEMBER OF THE GROUP CONSISTING OF NATURAL GAS, MIXTURES OF NATURAL GAS AND MANUFACTURED GAS, COKE OVEN GAS AND LIQUEFIED PETROLEUM GAS AND AT LEAST 0.04 POUNDS DIALKYL P-THIOXANE PER MILLION CUBIC FEET OF THE SAID GAS, THE ALKYL SUBSTITUENTS OF THE SAID DIALKYL P-THIOXANE BEING LIMITED FROM 1 TO 3 CARBON ATOMS.
Claim 3
Dependent Claim
55 words
THE PROCESS OF ODORIZING A MEMBER OF THE GROUP CONSISTING OF NATURAL GAS, MIXTURES OF NATURAL AND MANUFACTURED GAS, COKE OVEN GAS AND LIQUEFIED PETROLEUM GAS COMPRISING INTRODUCING AN ODOR PERCEPTIBLE QUANTITY OF DIALKYL P-THIOXANE INTO THE SAID GAS, THE ALKYL SUBSTITUENTS OF THE SAID DIALKYL P-THIOXANE BEING LIMITED FROM 1 TO 3 CARBON ATOMS.
Claim 4
Dependent Claim
55 words
THE PROCESS OF ODORIZING A MEMBER OF THE GROUP CONSISTING OF NATURAL GAS, MIXTURES OF NATURAL AND MANUFACTURED GAS, COKE OVEN GAS AND LIQUEFIED PETROLEUM GAS COMPRISING INTRODUCING AN ODOR PERCEPTIBLE QUANTITY OF DIALKYL P-THIOXANE INTO THE SAID GAS, THE ALKYL SUBSTITUENTS OF THE SAID DIALKYL P-THIOXANE BEING LIMITED FROM 1 TO 3 CARBON ATOMS.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |