US2965607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethers of epoxy-substituted phenols and their polymers
Assignee: Shell USA Inc
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Filing: 1956-04-12
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Granted: 1960-12-20
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Expires: 1976-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert W Martin
- 👤 Calvin E Pannell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:49
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07D303/28; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/245; C08G59/32; C08G59/3218
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
192 words
AN ETHER OF (A) AN ALCOHOL OF THE GROUP CONSISTING OF ALKANOLS OF 1 TO 10 CARBON ATOMS, 5 TO 6 MEMBEREDCYCLOALKANOLS OF 5 TO 10 CARBON ATOMS, ALKENOIS OF 2 TO 4 CARBON ATOMS, 5 TO 6 MEMBERED-CYCLOALKENOIS OF 5 TO 10 CARBON ATOMS, ALKANEDIOLS OF 2 TO 20 CARBON ATOMS, ALKOXYALKANOLS OF A TOTAL OF FROM 3 TO 10 CARBON ATOMS, ALCOHOLS OF THE FORMULA HO((CH2)YO)N(CH2)YOH WHEREIN Y IS AN INTEGER OF 2 TO 3, AND N IS AN INTEGER OF 6 TO 8, CHLOROALKANOLS OF 3 TO 8 CARBON ATOMS, VIICEPOXYALKANOLS OF 2 TO 12 CARBON ATOMS AND 5 TO 6 MEMBERED VIC-EPOXYCYCLOALKANOLS OF 5 TO 12 CARBON ATOMS, AND (B) A MONOHYDRIC PHENOL WHIICH IS SUBSTITUTED ON FROM 1 TO 3 RING CARBON ATOMS WHICH AN EPOXY-CONTAINING RADICAL OF THE GROUP CONSISTING OF VIC-EPOXYALKYL RADICALS OF 2 TO 20 CARBON ATOMS AND VIC-EPOXYCYCLOALKYL RADICALS OF 5 TO 6 CARBON ATOMS, AND ON THE OTHER RING CARBON ATOMS WITH A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, ALKYL RADICALS OF 1 TO 5 CARBON ATOMS, ALKOXY RADICALS OF 1 TO 8 CARBON ATOMS, METHYLOL GROUP, CHLORINE AND BROMINE ATOMS.
Claim 2
Dependent Claim
192 words
AN ETHER OF (A) AN ALCOHOL OF THE GROUP CONSISTING OF ALKANOLS OF 1 TO 10 CARBON ATOMS, 5 TO 6 MEMBEREDCYCLOALKANOLS OF 5 TO 10 CARBON ATOMS, ALKENOIS OF 2 TO 4 CARBON ATOMS, 5 TO 6 MEMBERED-CYCLOALKENOIS OF 5 TO 10 CARBON ATOMS, ALKANEDIOLS OF 2 TO 20 CARBON ATOMS, ALKOXYALKANOLS OF A TOTAL OF FROM 3 TO 10 CARBON ATOMS, ALCOHOLS OF THE FORMULA HO((CH2)YO)N(CH2)YOH WHEREIN Y IS AN INTEGER OF 2 TO 3, AND N IS AN INTEGER OF 6 TO 8, CHLOROALKANOLS OF 3 TO 8 CARBON ATOMS, VIICEPOXYALKANOLS OF 2 TO 12 CARBON ATOMS AND 5 TO 6 MEMBERED VIC-EPOXYCYCLOALKANOLS OF 5 TO 12 CARBON ATOMS, AND (B) A MONOHYDRIC PHENOL WHIICH IS SUBSTITUTED ON FROM 1 TO 3 RING CARBON ATOMS WHICH AN EPOXY-CONTAINING RADICAL OF THE GROUP CONSISTING OF VIC-EPOXYALKYL RADICALS OF 2 TO 20 CARBON ATOMS AND VIC-EPOXYCYCLOALKYL RADICALS OF 5 TO 6 CARBON ATOMS, AND ON THE OTHER RING CARBON ATOMS WITH A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, ALKYL RADICALS OF 1 TO 5 CARBON ATOMS, ALKOXY RADICALS OF 1 TO 8 CARBON ATOMS, METHYLOL GROUP, CHLORINE AND BROMINE ATOMS.
Claim 3
Dependent Claim
43 words
A POLYMER OF THE AROMATIC COMPOUND DEFINED IN CLAIM 1 WHICH CONTAIN AT LEAST TWO EPOXY GROUPS, SAID POLYMER BEING OBTAINED BY HEATING THE AROMATIC COMPOUND WITH AN EPOXY CURING AGENT OF THE GROUP CONSISTING OF AMINES, POLYBASIC ACID ANHYDRIDES AND BF3 COMPLEXES.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |