Patent US2800513A successfully refreshed from Google Patents.
US2800513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of trialkoxyalkanes
Assignee: —
•
Filing: —
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Granted: 1957-07-23
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:01
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/54; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/143; C07C29/145; C07C45/78; C07C45/81; C07C45/82; C07C47/00; C07C47/02; C07C47/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR THE PRODUCTION OF A 1,1,3-TRI-SEC ALKOXYALKANE WHICH COMPRISES FORMING A MIXTURE COMPRISING A WET ALPHA-BETA UNSATURATED LOWER ALIPHATIAC ALDEHYDE AND A WATER ENTRAINER, FIRST REMOVING WATER AS AN AZEOTROPE WITH THE ENTAINER, AND THEN REACTING THE DEHYDRATED ALDEHYDE WITH A LOWER SECONDARY ALKANOL IN THE PRESENCE OF A CONDENSATION CATALYST IN THE LIQUID PHASE WHILE REMOVING AZEOTROPICALLY THE WATER LIBERATED BY THE CONDENSATION REACTION.
Claim 2
Dependent Claim
67 words
A PROCESS FOR THE PRODUCTION OF A 1,1,3-TRI-SEC ALKOXYALKANE WHICH COMPRISES FORMING A MIXTURE COMPRISING A WET ALPHA-BETA UNSATURATED LOWER ALIPHATIAC ALDEHYDE AND A WATER ENTRAINER, FIRST REMOVING WATER AS AN AZEOTROPE WITH THE ENTAINER, AND THEN REACTING THE DEHYDRATED ALDEHYDE WITH A LOWER SECONDARY ALKANOL IN THE PRESENCE OF A CONDENSATION CATALYST IN THE LIQUID PHASE WHILE REMOVING AZEOTROPICALLY THE WATER LIBERATED BY THE CONDENSATION REACTION.
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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |