US3053871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic reduction method
Assignee: Individual
•
Filing: 1957-11-25
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Granted: 1962-09-11
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Robert S Aries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:49
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/90; C07F5/00; C07F7/00; C07F7/02; C07F7/08; C07F7/10; C07F9/02; C07F9/28; C07F9/50; C07F9/5004; C07F9/66; C07F9/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
PROCESS OF PREPARING AN ORGANO DERIVATIVE OF THE FORMULA M(R)N FROM A CORRESPONDING OXYGEN LINKED COMPOUND OF THE FORMULA M (OR)N WHEREIN R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ARYLKYL RADICALS, M IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF METALS WHICH FORM HYDROCARBON DERIVATIVES OF THE FORMULA M (R)N, BORON, PHOSPHURUS, AND SILICON, AND N IS AN INTEGER REPRESENTING THE VALENCE OF M, WHICH COMPRISES REACTING SAID OXYGEN LINKED COMPOUND M (OR)N WITH AN ORGANIC ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYL, CYCLOALKYL, AND ALKYL ISOCYANATES, AT A TEMPERATURE ABOVE ABOUT 90* C. UNTIL CARBON DIOXIDE IS NO LONGER FORMED, AND THEN REDUCING THE REACTION MIXTURE WITH CARBON MONOXIDE AT A PRESSURE ABOVE ABOUT 60 POUNDS PER SQUARE INCH GUAGE TO FORM SAID ORGANO DERIVATIVE M(R)N.
Claim 2
Dependent Claim
136 words
PROCESS OF PREPARING AN ORGANO DERIVATIVE OF THE FORMULA M(R)N FROM A CORRESPONDING OXYGEN LINKED COMPOUND OF THE FORMULA M (OR)N WHEREIN R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, AND ARYLKYL RADICALS, M IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF METALS WHICH FORM HYDROCARBON DERIVATIVES OF THE FORMULA M (R)N, BORON, PHOSPHURUS, AND SILICON, AND N IS AN INTEGER REPRESENTING THE VALENCE OF M, WHICH COMPRISES REACTING SAID OXYGEN LINKED COMPOUND M (OR)N WITH AN ORGANIC ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYL, CYCLOALKYL, AND ALKYL ISOCYANATES, AT A TEMPERATURE ABOVE ABOUT 90* C. UNTIL CARBON DIOXIDE IS NO LONGER FORMED, AND THEN REDUCING THE REACTION MIXTURE WITH CARBON MONOXIDE AT A PRESSURE ABOVE ABOUT 60 POUNDS PER SQUARE INCH GUAGE TO FORM SAID ORGANO DERIVATIVE M(R)N.
References Cited (Backward Citations)
FR1013933A
Cited
GB717408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |