Patent US2861047A successfully refreshed from Google Patents.
US2861047A
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Low temperature preparation of alkyd resins from long chain fatty acids
Assignee: Armstrong World Industries Inc
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Filing: 1955-06-20
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Granted: 1958-11-18
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Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 John S Heckles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:34
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF MAKING AN ALKYD RESIN COMPRISING REACTING AT A TEMPERATURE IN THE RANGE OF ABOUT 150*250*C. A LONG CHAIN FATTY ACID OBTAINED FROM AN OIL SELECTED FROM THE GROUP CONSISTING OF DRYING OILS, SEMIDRYING OILS, NONDRYING OILS, AND MIXTURES THEREOF WITH PENTAERYTHRITOL IN THE RATIO OF ABOUT 1.3 TO 2.2 EQUIVALENTS OF FATTY ACID TO ABOUT 4 EQUIVALENTS OF PENTAERYTHRITOL TO FORM FATTY ACID-PENTAERYTHRITOL DIESTER, DISSOLVING IN SAID DIESTER AT A TEMPERATURE IN THE RANGE OF ABOUT 220*-260* C. ABOUT 0.5-1.5 EQUIVALENTS OF ISOPHTHALIC ACID, AND REACTING WITH THE RESULTING PRODUCT ABOUT 0.3-2.5 EQUIVALENTS OF SAID LONG CHAIN FATTY ACID.
Claim 2
Independent Claim
102 words
THE METHOD OF MAKING AN ALKYD RESIN COMPRISING REACTING AT A TEMPERATURE IN THE RANGE OF ABOUT 150*250*C. A LONG CHAIN FATTY ACID OBTAINED FROM AN OIL SELECTED FROM THE GROUP CONSISTING OF DRYING OILS, SEMIDRYING OILS, NONDRYING OILS, AND MIXTURES THEREOF WITH PENTAERYTHRITOL IN THE RATIO OF ABOUT 1.3 TO 2.2 EQUIVALENTS OF FATTY ACID TO ABOUT 4 EQUIVALENTS OF PENTAERYTHRITOL TO FORM FATTY ACID-PENTAERYTHRITOL DIESTER, DISSOLVING IN SAID DIESTER AT A TEMPERATURE IN THE RANGE OF ABOUT 220*-260* C. ABOUT 0.5-1.5 EQUIVALENTS OF ISOPHTHALIC ACID, AND REACTING WITH THE RESULTING PRODUCT ABOUT 0.3-2.5 EQUIVALENTS OF SAID LONG CHAIN FATTY ACID.
References Cited (Backward Citations)
GB316914A
Cited
US1889923A
Cited
US2071313A
Cited
US2527057A
Cited
US2627508A
Cited
US2731430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |