US3560549A
Expired / Lapsed
US
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Beta-cyanoalkyl ethers of polyoxyalkylene adducts of moderately high molecular weight
Assignee: Union Carbide Corp
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Filing: 1967-12-08
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Granted: 1971-02-02
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Expires: 1987-12-08
Abstract
Abstract NOVEL CYANO COMPOSITIONS ARE DISCLOSED AS WELL AS METHODS FOR THEIR PREPARATION. REPRESENTATIVE COMPOUNDS COMPRISE: (1) A-(2-CYANOETHOXY)-W-(N-BUTYL)-POLY-1,2-OXPROPYLENE (2) A-W-BIS-(2-CYANOETHOXY)-POLY-1,2-OXYPROPYLENE-1,4, OXYBUTYLENE (3) A-W-BIS-(2-CYANOETHOXY)-POLY-1,2-OXYPROPLYLENE (4) A-W-BIS-(2-CYANOETHOXY)-POLY-1,2-OXYBUTYLENE (5) 1,2,6-TRIS(A-(CYANOETHOXY)-POLY-1,2-OXYPROPYL) HEXANE (6) 1,2,3-TRIS(A(2-CYANOETHOXY)-POLY-1,2-OXYPROPYL) PROPANE (7) THE TRIS(2-CYANOETHYL)-ETHER OF OXYPROPYLATED TRIS-(4HYDROXYPHENYL)PROPANE THE INSTANT CYANOETHERS HAVE BIOLOGICAL ACTIVITY SUITABEL FOR AGRICULTURAL USE AND ARE INTERMEDIATES FOR AMINES, ACIDS AND ESTERS.
Inventors
- 👤 Fedor Poppelsdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/30; C07; C07C; C07C209/00; C07C209/44; C07C209/48; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G65/32; C08G65/329; C08G65/333; C08G65/33365; C08G65/33368; C08G65/33372; C08G69/00; C08G69/40
Claims Analysis
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |