US2600623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified alkyd resin reacted with styrene and an acrylonitrile
Assignee: Wyeth Holdings LLC
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Filing: 1949-09-08
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Granted: 1952-06-17
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Expires: 1969-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Daniel
- 👤 John C Petropoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:27
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F283/00; C08F283/01; C09D151/00; C09D151/08; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT, PRODUCED BY HEATING IN THE PRESENCE OF A CATALYST AND A SOLVENT, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ACRYLONITRILE, MONOMERIC METHACRYLONITRILE, AND MONOMERIC ETHACRYLONITRILE AND MONOMERIC STYRENE WITH A MODIFIED ALKYD RESIN PREPARED BY REACTING A POLYCARBOXYLIC ACID, CONSISTING ESSENTIALLY OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACID AND THE SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS, A SATURATED POLYHDRIC ALCOHOL, A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF THE ACIDS OF NATURAL-DRYING OILS AND SEMI-DRYING OILS, AND AN A,B-UNSATURATED MONOCARBOXYLIC ACID HAVING THE GENERAL FORMULA R-CH=CHCOOH, WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTIN OF (1) AN ALKYL RADICAL HAVING ONE TO THREE CARBON ATOMS, (2) A FURYL RADICAL, (3) A PHENYL RADICAL; IN WHICH THE COMBINED WEIGHT OF THE MONOMERS VARIES BETWEEN 25% AND 60% OF THE TOTAL COMBINED WEIGHT OF ALKYD AND MONOMERS AND IN WHICH THE WEIGHT RATIO OF MONOMERIC STYRENE TO MONOMERIC ACRYLONITRILE IS WITHIN THE RANGE OF 9:1 AND 1:1, THE A,B-UNSATURATED ACID BEING PRESENT IN AN AMOUNT VARYING BETWEEN 2% AND 30% OF THE TOTAL WEIGHT OF THE ALKYD.
Claim 2
Dependent Claim
190 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT, PRODUCED BY HEATING IN THE PRESENCE OF A CATALYST AND A SOLVENT, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ACRYLONITRILE, MONOMERIC METHACRYLONITRILE, AND MONOMERIC ETHACRYLONITRILE AND MONOMERIC STYRENE WITH A MODIFIED ALKYD RESIN PREPARED BY REACTING A POLYCARBOXYLIC ACID, CONSISTING ESSENTIALLY OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACID AND THE SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS, A SATURATED POLYHDRIC ALCOHOL, A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF THE ACIDS OF NATURAL-DRYING OILS AND SEMI-DRYING OILS, AND AN A,B-UNSATURATED MONOCARBOXYLIC ACID HAVING THE GENERAL FORMULA R-CH=CHCOOH, WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTIN OF (1) AN ALKYL RADICAL HAVING ONE TO THREE CARBON ATOMS, (2) A FURYL RADICAL, (3) A PHENYL RADICAL; IN WHICH THE COMBINED WEIGHT OF THE MONOMERS VARIES BETWEEN 25% AND 60% OF THE TOTAL COMBINED WEIGHT OF ALKYD AND MONOMERS AND IN WHICH THE WEIGHT RATIO OF MONOMERIC STYRENE TO MONOMERIC ACRYLONITRILE IS WITHIN THE RANGE OF 9:1 AND 1:1, THE A,B-UNSATURATED ACID BEING PRESENT IN AN AMOUNT VARYING BETWEEN 2% AND 30% OF THE TOTAL WEIGHT OF THE ALKYD.
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |