US2770650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process fortheeproduction of
Assignee: —
•
Filing: —
•
Granted: 1956-11-13
•
Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:04
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/12; C07C69/14; C07C69/145; C07C69/15; C07C67/00; C07C67/04; C07C67/05; C07C67/055; C07C67/48; C07C67/52; C07C67/54; C07C69/007; C07C69/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR THE PRODUCTION OF VINYL ESTERS WHICH COMPRISES THE FOLLOWING STEPS: COMPRESSING AN ACETYLENECONTAINING GAS STREAM BY MEANS OF A CONSTANT-OUTPUT COMPRESSOR; COMBINING A PREDETERMINED PORTION THEREOF AS IT COMES FROM THE COMPRESSOR WITH A QUANTITY OF VAPORIZED ALIPHATIC MONOCARBOXYLIC ACID AND PASSING SAID COMBINED STREAM INTO A CATALYTIC REACTOR; INJECTING THE REMAINDER OF SAID ACETYLENE-CONTAING STREAM INTO THE PRODUCT GAS STREAM EMERGING FROM THE REACTOR AND PASSING SAID MIXED GAS STREAM INTO A CONDENSER WHERE THE VINYL ESTER IS CONDENSED; RECYCLING THE ACETYLENE AND OTHER NONCOMDENSABLE GASES TO THE COMPRESSION STEP; VENTING A PROTION OF SAID RECYCLED GASES THROUGH A SCRUBBER WHERE THE CARBOXYLIC ACID IS EMPLOYED AS THE SCRUBBING AGENT TO REMOVE ACETYLENE; AND PURIFIYING THE CONDENSED ESTER BY CONVENTIONAL DISTILLATION TECHNIUES.
Claim 2
Dependent Claim
126 words
A PROCESS FOR THE PRODUCTION OF VINYL ESTERS WHICH COMPRISES THE FOLLOWING STEPS: COMPRESSING AN ACETYLENECONTAINING GAS STREAM BY MEANS OF A CONSTANT-OUTPUT COMPRESSOR; COMBINING A PREDETERMINED PORTION THEREOF AS IT COMES FROM THE COMPRESSOR WITH A QUANTITY OF VAPORIZED ALIPHATIC MONOCARBOXYLIC ACID AND PASSING SAID COMBINED STREAM INTO A CATALYTIC REACTOR; INJECTING THE REMAINDER OF SAID ACETYLENE-CONTAING STREAM INTO THE PRODUCT GAS STREAM EMERGING FROM THE REACTOR AND PASSING SAID MIXED GAS STREAM INTO A CONDENSER WHERE THE VINYL ESTER IS CONDENSED; RECYCLING THE ACETYLENE AND OTHER NONCOMDENSABLE GASES TO THE COMPRESSION STEP; VENTING A PROTION OF SAID RECYCLED GASES THROUGH A SCRUBBER WHERE THE CARBOXYLIC ACID IS EMPLOYED AS THE SCRUBBING AGENT TO REMOVE ACETYLENE; AND PURIFIYING THE CONDENSED ESTER BY CONVENTIONAL DISTILLATION TECHNIUES.
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |