Patent US2655488A successfully refreshed from Google Patents.
US2655488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymer of vinylaromatic compound and conjugated oil fatty acid
Assignee: ARCO Co
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Filing: 1947-06-02
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Granted: 1953-10-13
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Kanning
- 👤 Edward G Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:10
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/12; C08F242/00; C09D125/16; C09D125/18; C08F212/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A NON-GELLED RESINOUS INTERPOLYMER PRODUCED BY HEATING, AT A TEMPERATURE BETWEEN ABOUT 100 DEGREES AND 250 DEGREES CENTIGRADE, A STARTING POLYMERIZATION MIXTURE CONSISTING ESSENTIALLY OF (1) FROM ABOUT 70 TO 30 PERCENT BY WEIGHT OF A MONOVINYLAROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, FLUOROTYRENE, CHLOROSTYRENE, METHOXYSTYRENE, HYDROXYSTYRENE, METHYLSTYRENE, TRICHLOROMETHYLSTYRENE, TRIFLUOROMETHYLSTYRENE, AND ALPHA-METHYLSTYRENE, AND (2) FROM ABOUT 30 TO 70 PERCENT BY WEIGHT OF A CONJUGATED OIL FATTY ACID SELECTED FROM THE GROUP CONSISTING OF CONJUGATED LINSEED OI FATTY ACIDS AND DEHYDRATED CASTOR OIL FATTY ACIDS, AND MONOVINYLAROMATIC COMPOUND IN POLYMERIC FORM COMPRISING FROM ABOUT 30 TO 56 PERCENT BY WEIGHT IN SAID POLYMERIC PRODUCT.
Claim 2
Dependent Claim
106 words
A NON-GELLED RESINOUS INTERPOLYMER PRODUCED BY HEATING, AT A TEMPERATURE BETWEEN ABOUT 100 DEGREES AND 250 DEGREES CENTIGRADE, A STARTING POLYMERIZATION MIXTURE CONSISTING ESSENTIALLY OF (1) FROM ABOUT 70 TO 30 PERCENT BY WEIGHT OF A MONOVINYLAROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF STYRENE, FLUOROTYRENE, CHLOROSTYRENE, METHOXYSTYRENE, HYDROXYSTYRENE, METHYLSTYRENE, TRICHLOROMETHYLSTYRENE, TRIFLUOROMETHYLSTYRENE, AND ALPHA-METHYLSTYRENE, AND (2) FROM ABOUT 30 TO 70 PERCENT BY WEIGHT OF A CONJUGATED OIL FATTY ACID SELECTED FROM THE GROUP CONSISTING OF CONJUGATED LINSEED OI FATTY ACIDS AND DEHYDRATED CASTOR OIL FATTY ACIDS, AND MONOVINYLAROMATIC COMPOUND IN POLYMERIC FORM COMPRISING FROM ABOUT 30 TO 56 PERCENT BY WEIGHT IN SAID POLYMERIC PRODUCT.
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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |