US2968647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying oils cured with diisocyanates
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-04-01
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Granted: 1961-01-17
•
Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Donald F Koenecke
- 👤 Anthony H Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:03
CPC Classifications
C; C09; C09D; C09D113/00; C08; C08C; C08C19/00; C08C19/30; C08C19/34; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/69; C09D109/00; C09D115/00; C08K; C08K5/00; C08K5/16; C08K5/29; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR IMPROVING THE HARDNESS AND CHEMICAL RESISTANCE OF A LIQUID POLYMERIC DRYING OIL SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF OF BUTADIENE-1,3 AND COPOLYMERS OF BUTADIENE-1,3 WITH UP TO 40% STYRENE HAVING VISCOSITIES AT 25* C. BETWEEN 400 AND 10,000 POISES AT 100% CONCENTRATION, WHICH COMPRISES MIXING TO 6.0 PARTS BY WEIGHT OF THE POLYMERIC DRYING OIL WITH 0.5 TO 6.0 PARTS BY WEIGHT OF AN ORGANIC DIISOCYANATE, AND CURING THE MIXTURE AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND 160*C.
Claim 2
Independent Claim
83 words
A METHOD FOR IMPROVING THE HARDNESS AND CHEMICAL RESISTANCE OF A LIQUID POLYMERIC DRYING OIL SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF OF BUTADIENE-1,3 AND COPOLYMERS OF BUTADIENE-1,3 WITH UP TO 40% STYRENE HAVING VISCOSITIES AT 25* C. BETWEEN 400 AND 10,000 POISES AT 100% CONCENTRATION, WHICH COMPRISES MIXING TO 6.0 PARTS BY WEIGHT OF THE POLYMERIC DRYING OIL WITH 0.5 TO 6.0 PARTS BY WEIGHT OF AN ORGANIC DIISOCYANATE, AND CURING THE MIXTURE AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND 160*C.
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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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |