US2998415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of resinous materials from unsaturated ethers and heterocyclic compounds
Assignee: Universal Oil Products Co
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Filing: 1955-12-15
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Granted: 1961-08-29
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Expires: 1975-12-15
Abstract
No abstract record available.
Inventors
- 👤 Edward M Geiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:05
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08G75/06; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/14; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR THE PREPARATION OF A RESINOUS MATERIAL WHICH COMPRISES CONDENSING AN ALKYLENE IMINE HAVING FROM 2 TO 3 CARBON ATOMS IN THE RING WITH AN UNSATURATED EITHER CONSISTING OF CARBON, HYDOGEN AND OXYGEN AND SELECTED FROM THE GROUP CONSISTING OF DIVINYL ETHER, DIALLYL ETHER, METHYL VINYL ETHER, ETHYL VINYL ETHER, PROPYL VINYL ETHER, METHYL ALLYL ETHER, ETHYL ALLYL ETHER, PROPYL ALLYL ETHER, BUTYL ALLYL ETHER, LOWER ALKYL-SUBSTITUTED AND MONONUCLEAR ARYL-SUBSTITUTED DIVINYL AND DIALLYL ETHERS, GLYCEROL-ALPHA-VINYL ETHER AND GLYCEROLALPHA-ALLYL ETHER AT A TEMPERATURE IN THE RANGE OF FROM ABOUT-50* TO ABOUT + 100*C. AND IN A RATIO OF ETHER TO IMINE OF FROM ABOUT 1:1 TO ABOUT 10:1 TO EFFECT MULTIPLE CONDENSATIONS BETWEEN SAID UNSATURATED ETHER AND SAID ALKYLENE IMINE, AND RECOVERING THE RESULTANT RESINOUS PRODUCT.
Claim 2
Dependent Claim
127 words
A PROCESS FOR THE PREPARATION OF A RESINOUS MATERIAL WHICH COMPRISES CONDENSING AN ALKYLENE IMINE HAVING FROM 2 TO 3 CARBON ATOMS IN THE RING WITH AN UNSATURATED EITHER CONSISTING OF CARBON, HYDOGEN AND OXYGEN AND SELECTED FROM THE GROUP CONSISTING OF DIVINYL ETHER, DIALLYL ETHER, METHYL VINYL ETHER, ETHYL VINYL ETHER, PROPYL VINYL ETHER, METHYL ALLYL ETHER, ETHYL ALLYL ETHER, PROPYL ALLYL ETHER, BUTYL ALLYL ETHER, LOWER ALKYL-SUBSTITUTED AND MONONUCLEAR ARYL-SUBSTITUTED DIVINYL AND DIALLYL ETHERS, GLYCEROL-ALPHA-VINYL ETHER AND GLYCEROLALPHA-ALLYL ETHER AT A TEMPERATURE IN THE RANGE OF FROM ABOUT-50* TO ABOUT + 100*C. AND IN A RATIO OF ETHER TO IMINE OF FROM ABOUT 1:1 TO ABOUT 10:1 TO EFFECT MULTIPLE CONDENSATIONS BETWEEN SAID UNSATURATED ETHER AND SAID ALKYLENE IMINE, AND RECOVERING THE RESULTANT RESINOUS PRODUCT.
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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) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |