US3277035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified alkyd resins containing glycidyl esters of mixed alpha-branched saturated aliphatic monocarboxylic acids
Assignee: Shell USA Inc
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Filing: 1962-09-18
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Granted: 1966-10-04
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Geert C Vegter
- 👤 Feije H Sinnema
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:23
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4292; C08G63/46; C08L; C08L67/00; C08L67/08; C09; C09D; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A TWO-STEP PROCESS FOR PREPARING ALKYD RESINS WHICH COMPRISES A FIRST STEP OF MIXING AND REACTING (1) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACID ANHYDRIDES, (2) A POLYHYDRIDE ALCOHOL CONTAINING FROM 3 TO 12 CARBON ATOMS IN THE MOLECULE, AND (3) MIXED ALPHABRANCHED SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING FROM 9 TO 19 CARBON CARTON ATOMS IN THE MOLECULE, AND PREPARED BY REACTING MONOOLEFINS WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF LIQUID ACID CATALYSTS, THE EQUIVALENTS OF TOTAL ACID IN (1) AND (3) TO THE POLYHYDRIC ALCOHOL OF (2) BEING IN THE RANGE OF ABOUT 1.2:1 TO 1:4, THEN IN A SECOND STEP, REACTING THE FIRST STEP REACTION PRODUCT WITH (4) A POLYCARBOXYLIC ACID ANHYDRIDE AND (5) GLYCIDYL ESTERS OF MIXED ALPHA-BRANCHED SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS PREPARED BY REACTING EPICHLOROHYDRIN WITH THE SAID ALPH-BRANCHED SATURATED MONOCARBOXYLIC ACIDS CONTAINING FROM 9-19 CARBON ATOMS IN THE MOLECULE AND PREPARED AS IN (3), THE AMOUNTS OF (4) AND (5) BEING IN APPROXIMATE EQUIVALENT QUANTITIES AND THE TOTAL WEIGHT RATIO OF (4) AND (5) TO (1), (2) AND (3) BEING LESS THAN 2:1.
Claim 2
Dependent Claim
187 words
A TWO-STEP PROCESS FOR PREPARING ALKYD RESINS WHICH COMPRISES A FIRST STEP OF MIXING AND REACTING (1) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACID ANHYDRIDES, (2) A POLYHYDRIDE ALCOHOL CONTAINING FROM 3 TO 12 CARBON ATOMS IN THE MOLECULE, AND (3) MIXED ALPHABRANCHED SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING FROM 9 TO 19 CARBON CARTON ATOMS IN THE MOLECULE, AND PREPARED BY REACTING MONOOLEFINS WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF LIQUID ACID CATALYSTS, THE EQUIVALENTS OF TOTAL ACID IN (1) AND (3) TO THE POLYHYDRIC ALCOHOL OF (2) BEING IN THE RANGE OF ABOUT 1.2:1 TO 1:4, THEN IN A SECOND STEP, REACTING THE FIRST STEP REACTION PRODUCT WITH (4) A POLYCARBOXYLIC ACID ANHYDRIDE AND (5) GLYCIDYL ESTERS OF MIXED ALPHA-BRANCHED SATURATED ALIPHATIC MONOCARBOXYLIC ACIDS PREPARED BY REACTING EPICHLOROHYDRIN WITH THE SAID ALPH-BRANCHED SATURATED MONOCARBOXYLIC ACIDS CONTAINING FROM 9-19 CARBON ATOMS IN THE MOLECULE AND PREPARED AS IN (3), THE AMOUNTS OF (4) AND (5) BEING IN APPROXIMATE EQUIVALENT QUANTITIES AND THE TOTAL WEIGHT RATIO OF (4) AND (5) TO (1), (2) AND (3) BEING LESS THAN 2:1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |