US3268462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One step process for preparing high impact alkyd resins
Assignee: Shell USA Inc
•
Filing: 1961-07-14
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Granted: 1966-08-23
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Expires: 1981-07-14
Abstract
No abstract record available.
Inventors
- 👤 Pieter Bruin
- 👤 Hendricus A Oosterhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:06
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/40; C08G63/42; C08G63/60; C08G63/66; C08G63/668; C08G63/91; C08G63/914; C08G63/78; C08G63/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A ONE-STEP PROCESS FOR PREPARING HIGH IMPACT ALKYD RESINS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN ABOUT 140* AND 270*C., (1) EPOXY ALKYL ESTERS OF ALPHAALKYL SATURATED MONOCARBOXYLIC ACIDS PREPARED FROM ALIPHATIC MONOCARBOXYLIC ACIDS HAVING AT LEAST 4 CARBON ATOMS IN THE MOLECULE, SAID ACIDS BEING OBTAINED BY REACTING OLEFINS WITH CARBON MONOXIDE AND WATER UNDER THE INFLUENCE OF ACID CATALYSTS, (2) AT LEAST ONE POLYOL HAVING AT LEAST THREE HYDROXYL GROUPS, (3) A MEMBER OF THE CLASS CONSISTING OF POLYBASIC CARBOXYLIC ACIDS AND POLYBASIC CARBOXYLIC ACID ANHYDRIDES AND (4) A HYDROXYSTEARIC ACID, SAID COMPONENTS BEING EMPLOYED IN THE RATIO SO THAT THE EQUIVALENT WEIGHT OF THE HYDROXYL COMPONENTS RANGE FROM ABOUT 1 TO ABOUT 1.3 TIMES THE EQUIVALENT WEIGHT OF THE CARBOXYLIC ACID COMPONENTS.
Claim 2
Dependent Claim
125 words
A ONE-STEP PROCESS FOR PREPARING HIGH IMPACT ALKYD RESINS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN ABOUT 140* AND 270*C., (1) EPOXY ALKYL ESTERS OF ALPHAALKYL SATURATED MONOCARBOXYLIC ACIDS PREPARED FROM ALIPHATIC MONOCARBOXYLIC ACIDS HAVING AT LEAST 4 CARBON ATOMS IN THE MOLECULE, SAID ACIDS BEING OBTAINED BY REACTING OLEFINS WITH CARBON MONOXIDE AND WATER UNDER THE INFLUENCE OF ACID CATALYSTS, (2) AT LEAST ONE POLYOL HAVING AT LEAST THREE HYDROXYL GROUPS, (3) A MEMBER OF THE CLASS CONSISTING OF POLYBASIC CARBOXYLIC ACIDS AND POLYBASIC CARBOXYLIC ACID ANHYDRIDES AND (4) A HYDROXYSTEARIC ACID, SAID COMPONENTS BEING EMPLOYED IN THE RATIO SO THAT THE EQUIVALENT WEIGHT OF THE HYDROXYL COMPONENTS RANGE FROM ABOUT 1 TO ABOUT 1.3 TIMES THE EQUIVALENT WEIGHT OF THE CARBOXYLIC ACID COMPONENTS.
References Cited (Backward Citations)
US1995970A
Cited
US2801273A
Cited
US2682514A
Cited
US2853474A
Cited
US2940982A
Cited
US3161618A
Cited
US2981705A
Cited
US2981706A
Cited
US3140267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |