US2910455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycidyl polyethers from an epihalohydrin and a bis(4-hydroxy-3 allyl phenyl) alkane
Assignee: PPG Industries Inc
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Filing: 1954-11-26
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Granted: 1959-10-27
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Roger M Christenson
- 👤 William C Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:12
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/245; C07; C07C; C07C37/00; C07C37/01; C07C37/055; C07C37/64; C07C37/66; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08G59/02; C08G59/04; C08G59/06; C08G59/063
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
AS A NEW MATERIAL A GLYCIDYL POLYETER RESULTING FROM THE REACTION OF AN EPIHALOHYDRIN AND AN X-X-BIS(4HYDROXY-3-ALLYLPHENY) ALKANE WHEREIN THE ALKANE GROUP CONTAINS ABOUT 2 TO 4 CARBON ATOMS AND ''''X'''' IS A NUMBER FROM 1 TO 2 DESIGNATING THE POSITION OF A SINGLE CARBON ATOM IN THE ALKANE CHAIN TO WHICH THE 4-HYDROXY-3-ALLKYLPHENYL GROUPS ARE BOTH ATTACHED.
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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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |