Patent AT108740B successfully refreshed from Google Patents.
US3333005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary organophosphonium halides and preparation thereof
Assignee: Wyeth Holdings LLC
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Filing: 1963-06-04
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Granted: 1967-07-25
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Grayson Martin
- 👤 Keough Patricia Tarpey
- 👤 Michael M Rauhut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:37
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COMPOUND OF THE FORMULA (R1-P(+)(-R2)(-R3)-CH2-CH2-O-R) X(-) WHEREIN R1, R2 AND R3 EACH REPRESENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL C1-C16, SUBSTITUTED ALKYL C1-C16, CYCLOALKYL, AND ARYL, SAID SUBSTIUENTS FOR ALKYL BEING SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXY AND CYANO; R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF TRIALKYL(C1-C8)SILYL-SUBSTITUTED LOWER ALKYL, MONO- LOWER ALKOXY-SUBSTITUTED LOWER ALKYL, DI- LOWER ALKOXY-SUBSTITUTED LOWR ALKYL, LOWR ALKOXYSUBSTITUTED LOWER ALKOXY, ALKYL(C1 TO C8)OXY-LOWER ALKOXY-SUBSTITUTED LOWER ALKYL, PHENYL, SUBSTITUTED PHENYL, BENZYL AND CYCLOALKY; X IS HALOGEN.
Claim 2
Dependent Claim
87 words
A COMPOUND OF THE FORMULA (R1-P(+)(-R2)(-R3)-CH2-CH2-O-R) X(-) WHEREIN R1, R2 AND R3 EACH REPRESENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL C1-C16, SUBSTITUTED ALKYL C1-C16, CYCLOALKYL, AND ARYL, SAID SUBSTIUENTS FOR ALKYL BEING SELECTED FROM THE GROUP CONSISTING OF LOWER ALKOXY AND CYANO; R REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF TRIALKYL(C1-C8)SILYL-SUBSTITUTED LOWER ALKYL, MONO- LOWER ALKOXY-SUBSTITUTED LOWER ALKYL, DI- LOWER ALKOXY-SUBSTITUTED LOWR ALKYL, LOWR ALKOXYSUBSTITUTED LOWER ALKOXY, ALKYL(C1 TO C8)OXY-LOWER ALKOXY-SUBSTITUTED LOWER ALKYL, PHENYL, SUBSTITUTED PHENYL, BENZYL AND CYCLOALKY; X IS HALOGEN.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |