Patent US2662862A successfully refreshed from Google Patents.
US2662862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying resins from oil-modified alkyds and liquid polybutadiene
Assignee: Phillips Petroleum Co
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Filing: 1950-04-28
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Granted: 1953-12-15
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Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 Willie W Crouch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:03
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROCESS FOR THE PRODUCTION OF AN IMPROVED DRYING ALKYD RESIN, COMPRISING ADMIXING A DRYING GLYCERIDE OIL, MODIFIED ALKYD RESIN WITH FROM 5 TO 60 PER CENT OF ITS WEIGHT OF A LIQUID POLYMER COMPRISING A POLYBUTADIENE FREE FROM SOLID POLYMERS, HAVING A VISCOSITY AT 100* F. WITHIN THE LIMITS OF 100 TO 10,000 SAYBOLT FUROL SECONDS, A MOLECULAR WEIGHT WITHIN THE LIMITS OF 500 TO 4,000, AND A SPECIFIC GRAVITY, 60/60* F., WITHIN THE LIMITS OF 0.85 TO 0.95, HEATING THE RESULTING ADMIXTURE OF POLYMER AND DRYING ALKYD RESIN AT A TEMPERATURE WITHIN THE LIMITS OF 450 AND 600* F., WHEREBY SAID POLYMER REACTS WITH SAID ALKYD RESIN TO FORM SAID IMPROVED ALKYD DRYING RESIN; AND RECOVERING SAID IMPROVED ALKYD DRYING RESIN.
Claim 2
Dependent Claim
123 words
A PROCESS FOR THE PRODUCTION OF AN IMPROVED DRYING ALKYD RESIN, COMPRISING ADMIXING A DRYING GLYCERIDE OIL, MODIFIED ALKYD RESIN WITH FROM 5 TO 60 PER CENT OF ITS WEIGHT OF A LIQUID POLYMER COMPRISING A POLYBUTADIENE FREE FROM SOLID POLYMERS, HAVING A VISCOSITY AT 100* F. WITHIN THE LIMITS OF 100 TO 10,000 SAYBOLT FUROL SECONDS, A MOLECULAR WEIGHT WITHIN THE LIMITS OF 500 TO 4,000, AND A SPECIFIC GRAVITY, 60/60* F., WITHIN THE LIMITS OF 0.85 TO 0.95, HEATING THE RESULTING ADMIXTURE OF POLYMER AND DRYING ALKYD RESIN AT A TEMPERATURE WITHIN THE LIMITS OF 450 AND 600* F., WHEREBY SAID POLYMER REACTS WITH SAID ALKYD RESIN TO FORM SAID IMPROVED ALKYD DRYING RESIN; AND RECOVERING SAID IMPROVED ALKYD DRYING RESIN.
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |