US2866807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aliphatic aryl phosphites
Assignee: Virginia Carolina Chemical Corp
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Filing: 1954-04-15
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Granted: 1958-12-30
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Expires: 1974-04-15
Abstract
No abstract record available.
Inventors
- 👤 William P Boyer
- 👤 Mangham Jesse Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:20
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
PROCESS FOR THE PRODUCTION OF MIXED ALIPHATIC ARYL PHOSPHITES WHICH COMPRISES MIXING AN ARYL PHOSPHOROHALIDITE WITH AT LEAST A CHEMICALLY EQUIVALENT AMOUNT OF AN ALIPHATIC ALCOHOL IN THE PRESENCE OF AMMONILA IN QUANTITY SUFFICIENT TO MAINTAIN THE REACTION MIXTURE SUBSTANTIALLY NEUTRAL.
Claim 2
Dependent Claim
41 words
PROCESS FOR THE PRODUCTION OF MIXED ALIPHATIC ARYL PHOSPHITES WHICH COMPRISES MIXING AN ARYL PHOSPHOROHALIDITE WITH AT LEAST A CHEMICALLY EQUIVALENT AMOUNT OF AN ALIPHATIC ALCOHOL IN THE PRESENCE OF AMMONILA IN QUANTITY SUFFICIENT TO MAINTAIN THE REACTION MIXTURE SUBSTANTIALLY NEUTRAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |