US2743285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-miscible glycidyl ethers
Assignee: Union Carbide Corp
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Filing: 1951-12-20
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Granted: 1956-04-24
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Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Benjamin G Wilkes
- 👤 Arthur B Steele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:01
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
WATER-MISCIBLE GLYCIDYL ETHER OF THE MONOMETHYL ETHER OF DIGLYCOLS IN WHICH THE TOTAL NUMBER OF CARBON ATOMS IN THE MOLECULE IS FROM EIGHT TO TEN WITH FROM TWO TO THREE CARBON ATOMS TO EACH GLYCOL RADICAL THEREOF.
Claim 2
Dependent Claim
37 words
WATER-MISCIBLE GLYCIDYL ETHER OF THE MONOMETHYL ETHER OF DIGLYCOLS IN WHICH THE TOTAL NUMBER OF CARBON ATOMS IN THE MOLECULE IS FROM EIGHT TO TEN WITH FROM TWO TO THREE CARBON ATOMS TO EACH GLYCOL RADICAL THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |