US3197318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-methylenemalonic acid ester contact adhesive compositions
Assignee: Hexion Inc
•
Filing: 1960-11-07
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Granted: 1965-07-27
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Benjamin D Halpern
- 👤 Dickstein Jack
- 👤 Kitazawa George
- 👤 Hoegerie Rose-Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:13
CPC Classifications
C; C09; C09J; C09J4/00; C07; C07C; C07C69/00; C07C69/52; C07C69/593; C08; C08F; C08F291/00; C09J4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SUBSTANTIALLY ANHYDROUS MOISUTE ACTIVATED CONTACT ADHESIVE CONSISTING ESSENTIALLY OF A 2-METHYLENEMALONATE ESTER OF THE FORMULA CH2=C(COOR)2, IN WHICH 2 IS AN EQUIVALENT WEIGHT OF AN UNSUBSTITUTED HYDROCARBON RADICAL HAVING 4-18 CARBON ATOMS AND AN ADMIXED SUBSTANTIALLY ANHYDROUS AND A SUBSTANTIALLY NON-VOLATILE SOLVENT FOR SAID ESTER, SAID SOLVENT BEING COMPATIBLE WITH AND CHEMICALLY NON-REACTIVE WITH SAID ESTER BOTH HOT AND COLD, BEING ADMIXED IN THE PROPORTION OF ABOUT 1-30 PARTS FOR 100 PARTS OF THE ESTER, AND SERVING AS A PLASTICIZER THEREFOR.
Claim 2
Dependent Claim
82 words
A SUBSTANTIALLY ANHYDROUS MOISUTE ACTIVATED CONTACT ADHESIVE CONSISTING ESSENTIALLY OF A 2-METHYLENEMALONATE ESTER OF THE FORMULA CH2=C(COOR)2, IN WHICH 2 IS AN EQUIVALENT WEIGHT OF AN UNSUBSTITUTED HYDROCARBON RADICAL HAVING 4-18 CARBON ATOMS AND AN ADMIXED SUBSTANTIALLY ANHYDROUS AND A SUBSTANTIALLY NON-VOLATILE SOLVENT FOR SAID ESTER, SAID SOLVENT BEING COMPATIBLE WITH AND CHEMICALLY NON-REACTIVE WITH SAID ESTER BOTH HOT AND COLD, BEING ADMIXED IN THE PROPORTION OF ABOUT 1-30 PARTS FOR 100 PARTS OF THE ESTER, AND SERVING AS A PLASTICIZER THEREFOR.
References Cited (Backward Citations)
US2899464A
Cited
US2145195A
Cited
US2313501A
Cited
US2330033A
Cited
US2293309A
Cited
US2847383A
Cited
US3056817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |