US3242196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Partially epoxidized drying oils and derivatives thereof and their preparation
Assignee: EIDP Inc
•
Filing: 1963-02-20
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Granted: 1966-03-22
•
Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Rheineck
- 👤 Clerck Dominique De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:54
CPC Classifications
C; C09; C09F; C09F7/00; C09F7/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
THE METHOD OF OBTAINING IMPROVED OILS HAVING DRYING PROPERTIES COMPRISING REACTING A DRYING OIL CONTAINING AT LEAST 5% BY WEIGHT OF ESTERFIED LINOLENIC ACID WITH HYDROGEN PEROXIDE IN THE PRESENCE OF AN ACID CATION EXCHANGE RESIN AND ACETIC ACID, SAID HYDROGEN PEROXIDE BEING EMPLOYED IN AN AMOUNT EQUIVALENT TO FROM 0.6 TO 1.3 MOLS OF H2O2 FOR EACH LINOLENYL GROUP PRESENT IN THE REACTANT OIL, SAID CATION EXCHANGE RESIN BEIN GEMPOLYED IN AN AMOUNT CORRESPONDING TO A WEIGHT RATIO OF SAID RESIN/HYDROGEN PEROXIDE OF FROM 0.29 TO 0.80, AND SAID ACETIC ACID BEING EMPLOYED IN AN AMOUNT CORRESPONDING TO A WEIGHT RATIO OF SAID ACETIC ACID/HYDROGEN PEROXIDE OF FROM 0.5 TO 4.0.
Claim 2
Independent Claim
112 words
THE METHOD OF OBTAINING IMPROVED OILS HAVING DRYING PROPERTIES COMPRISING REACTING A DRYING OIL CONTAINING AT LEAST 5% BY WEIGHT OF ESTERFIED LINOLENIC ACID WITH HYDROGEN PEROXIDE IN THE PRESENCE OF AN ACID CATION EXCHANGE RESIN AND ACETIC ACID, SAID HYDROGEN PEROXIDE BEING EMPLOYED IN AN AMOUNT EQUIVALENT TO FROM 0.6 TO 1.3 MOLS OF H2O2 FOR EACH LINOLENYL GROUP PRESENT IN THE REACTANT OIL, SAID CATION EXCHANGE RESIN BEIN GEMPOLYED IN AN AMOUNT CORRESPONDING TO A WEIGHT RATIO OF SAID RESIN/HYDROGEN PEROXIDE OF FROM 0.29 TO 0.80, AND SAID ACETIC ACID BEING EMPLOYED IN AN AMOUNT CORRESPONDING TO A WEIGHT RATIO OF SAID ACETIC ACID/HYDROGEN PEROXIDE OF FROM 0.5 TO 4.0.
Claim 3
Dependent Claim
58 words
A DRYING OIL OF THE GROUP CONSISTING OF (A) AN EPOXIDIZED OIL PRODUCT OF THE METHOD OF CLAIM 1 HAVING AN OXIRANE OXYGEN CONTENT OF FROM 1.5 TO 3.4% AND (B) A CROSSLINKED REACTION PRODUCT OF SAID EPOXIDIZED OIL PRODUCT WITH A CROSSLINKING AGENT WHICH EFFECTS CROSSLINKING BY REACTION WITH THE OXIRANE GROUPS OF SAID EPOXIDIZED OIL PRODUCT.
References Cited (Backward Citations)
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |