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US3846088A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of drying ethers

Assignee: Sunoco Inc
•
Filing: 1971-12-22
•
Granted: 1974-11-05
•
Expires: 1991-12-22
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Abstract

Abstract 1. A PROCESS COMPRISING REACTING A TERTIATY OLEFIN CONTAINING FROM FROM 4 TO 6 CARBON ATOMS WITH AN ALCOHOL CONTAINING FROM 1 TO 3 CARBON ATOMS TO FORM AN ETHER HAVING THE STRUCTURE R-O-R'' WHEREIN R IS A TERTIARY ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS AND R'' IS AN ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS, WASHING THE PRODUCT MIX CONTAINING SAID ETHER WITH WATER TO REMOVE UNREACTED ALCOHOL WHEREBY AN ETHER PRODUCT CONTAINING FROM 0.5 TO 2.0 VOLUME PERCENT WATER IS PRODUCED, BLENDING SAID ETHER PRODUCT WITH A COMPOSITION CONSISTING ESSENTIALLY OF ONE OR MORE PARAFFINS CONTAINING FROM 5 TO 10 CARBON ATOMS TO FORM A BLEND CONSISTING PRINCIPALLY OF THE ETHER AND THE PARAFFIN WHICH BLEND CONTAINS FROM 20 TO 90 VOLUME PERCENT ETHER, MAINTAINING SAID BLEND AT FROM 30 TO 150*F., PERMITTING SAID BLEND TO FORM TWO SEPARATE PHASES ONE OF WHICH CONSISTS ESSENTIALLY OF WATER AND THE OTHER WHICH CONSISTS ESSENTIALLY OF ETHER AND PARAFFIN FROM THE WATER AND RECOVERING A BLEND OF SAID ETHER AND SAID PARAFFIN CONTAINING A REDUCED AMOUNT OF WATER WHICH BLEND IS THEN FURTHER BLENDED WITH GASOLINE TO FORM A GASOLINE CONTAINING UP TO ABOUT 10 VOLUME PERCENT OF THE ETHER.

Inventors

  • 👤 R Brown
  • 👤 R Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/02; C10L1/023; C07; C07C; C07C41/00; C07C41/01; C07C41/05; C07C41/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 202 words
A PROCESS COMPRISING REACTING A TERTIATY OLEFIN CONTAINING FROM FROM 4 TO 6 CARBON ATOMS WITH AN ALCOHOL CONTAINING FROM 1 TO 3 CARBON ATOMS TO FORM AN ETHER HAVING THE STRUCTURE R-O-R'' WHEREIN R IS A TERTIARY ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS AND R'' IS AN ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS, WASHING THE PRODUCT MIX CONTAINING SAID ETHER WITH WATER TO REMOVE UNREACTED ALCOHOL WHEREBY AN ETHER PRODUCT CONTAINING FROM 0.5 TO 2.0 VOLUME PERCENT WATER IS PRODUCED, BLENDING SAID ETHER PRODUCT WITH A COMPOSITION CONSISTING ESSENTIALLY OF ONE OR MORE PARAFFINS CONTAINING FROM 5 TO 10 CARBON ATOMS TO FORM A BLEND CONSISTING PRINCIPALLY OF THE ETHER AND THE PARAFFIN WHICH BLEND CONTAINS FROM 20 TO 90 VOLUME PERCENT ETHER, MAINTAINING SAID BLEND AT FROM 30 TO 150*F., PERMITTING SAID BLEND TO FORM TWO SEPARATE PHASES ONE OF WHICH CONSISTS ESSENTIALLY OF WATER AND THE OTHER WHICH CONSISTS ESSENTIALLY OF ETHER AND PARAFFIN FROM THE WATER AND RECOVERING A BLEND OF SAID ETHER AND SAID PARAFFIN CONTAINING A REDUCED AMOUNT OF WATER WHICH BLEND IS THEN FURTHER BLENDED WITH GASOLINE TO FORM A GASOLINE CONTAINING UP TO ABOUT 10 VOLUME PERCENT OF THE ETHER.
Claim 2
Dependent Claim 202 words
A PROCESS COMPRISING REACTING A TERTIATY OLEFIN CONTAINING FROM FROM 4 TO 6 CARBON ATOMS WITH AN ALCOHOL CONTAINING FROM 1 TO 3 CARBON ATOMS TO FORM AN ETHER HAVING THE STRUCTURE R-O-R'' WHEREIN R IS A TERTIARY ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS AND R'' IS AN ALKYL GROUP CONTAINING 1 TO 3 CARBON ATOMS, WASHING THE PRODUCT MIX CONTAINING SAID ETHER WITH WATER TO REMOVE UNREACTED ALCOHOL WHEREBY AN ETHER PRODUCT CONTAINING FROM 0.5 TO 2.0 VOLUME PERCENT WATER IS PRODUCED, BLENDING SAID ETHER PRODUCT WITH A COMPOSITION CONSISTING ESSENTIALLY OF ONE OR MORE PARAFFINS CONTAINING FROM 5 TO 10 CARBON ATOMS TO FORM A BLEND CONSISTING PRINCIPALLY OF THE ETHER AND THE PARAFFIN WHICH BLEND CONTAINS FROM 20 TO 90 VOLUME PERCENT ETHER, MAINTAINING SAID BLEND AT FROM 30 TO 150*F., PERMITTING SAID BLEND TO FORM TWO SEPARATE PHASES ONE OF WHICH CONSISTS ESSENTIALLY OF WATER AND THE OTHER WHICH CONSISTS ESSENTIALLY OF ETHER AND PARAFFIN FROM THE WATER AND RECOVERING A BLEND OF SAID ETHER AND SAID PARAFFIN CONTAINING A REDUCED AMOUNT OF WATER WHICH BLEND IS THEN FURTHER BLENDED WITH GASOLINE TO FORM A GASOLINE CONTAINING UP TO ABOUT 10 VOLUME PERCENT OF THE ETHER.

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) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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