US2862898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified alkyd resins
Assignee: Monsanto Chemical Co
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Filing: 1954-10-07
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Granted: 1958-12-02
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Expires: 1974-10-07
Abstract
No abstract record available.
Inventors
- 👤 Earl C Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:01
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A PROCESS FOR MODIFYING A GLCERIDE DRYING OIL MODIFIED ALKYD RESIN THE ACID MOIETY OF WHICH CONTAINS NO ALIPHATIC UNSATURATION, WITH A MIXTURE OF ETHYLENICALLY UNSATURATED MONOMERIC COMPONENTS BY REACTION AT 180250* C. IN SOLUTION IN AN INERT ORGANIC SOLVENT, THE RATIO OF MONOMER COMPONENTS TO MODIFIED ALKYD RESIN VARYING FROM 2:1 TO 1:5 ON A WEIGHT BASIS, SAID MONOMERIC COMPONENTS CONSISTING OF A STYRENE COMPONENT SELECTED FROM THE CLASS CONSISTING OF STYRENE ALPHA METHYL STYRENE, ORTHO METHYL STYRENE, META METHYL STYRENE, PARA METHYL STYRENE, ORTHO PARA DIMETHYL STYRENE, ALPHA PARA DIMETHYL STYRENE AND MIXTURES THEREOF AND A NITRILE SELECTED FROM THE CLASS CONSISTING OF ACRYLONITRILE AND METHACRLONITRILE THE RATIO OF STYRENE COMPONENT TO NITRILE COMPONENT VARYING BETWEEN 19:1 AND 1:19 ON A WEIGHT BASIS, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION UNDER A PRESSURE OF 10 TO 50 ATMOSPHERES FOR A PERIOD OF 15-60 MINUTES.
Claim 2
Dependent Claim
148 words
IN A PROCESS FOR MODIFYING A GLCERIDE DRYING OIL MODIFIED ALKYD RESIN THE ACID MOIETY OF WHICH CONTAINS NO ALIPHATIC UNSATURATION, WITH A MIXTURE OF ETHYLENICALLY UNSATURATED MONOMERIC COMPONENTS BY REACTION AT 180250* C. IN SOLUTION IN AN INERT ORGANIC SOLVENT, THE RATIO OF MONOMER COMPONENTS TO MODIFIED ALKYD RESIN VARYING FROM 2:1 TO 1:5 ON A WEIGHT BASIS, SAID MONOMERIC COMPONENTS CONSISTING OF A STYRENE COMPONENT SELECTED FROM THE CLASS CONSISTING OF STYRENE ALPHA METHYL STYRENE, ORTHO METHYL STYRENE, META METHYL STYRENE, PARA METHYL STYRENE, ORTHO PARA DIMETHYL STYRENE, ALPHA PARA DIMETHYL STYRENE AND MIXTURES THEREOF AND A NITRILE SELECTED FROM THE CLASS CONSISTING OF ACRYLONITRILE AND METHACRLONITRILE THE RATIO OF STYRENE COMPONENT TO NITRILE COMPONENT VARYING BETWEEN 19:1 AND 1:19 ON A WEIGHT BASIS, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION UNDER A PRESSURE OF 10 TO 50 ATMOSPHERES FOR A PERIOD OF 15-60 MINUTES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |