Patent US3315863A successfully refreshed from Google Patents.
US3836600A
Expired / Lapsed
US
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Stabilized low profile resins
Assignee: Dow Chemical Co
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Filing: 1973-02-05
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Granted: 1974-09-17
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Expires: 1993-02-05
Abstract
Abstract IMPROVED STABILITY TO LOW PROFILE THERMOSETTABLE RESIN COMPOSITIONS IS OBTAINED BY THE ADDITION THERETO OF AN ETHYLENE OXIDE BLOCK COPOLYMER HAVING THE FORMULA BX-CH2CH2(OCH2CH2)YOH OR HO(CH2CH2O)YCH2CH2-BX -CH2CH2(OCH2CH2)YOH WHERE B IS A BLOCK SEGMENT OF A POLYMERIZED ALKENYLAROMATIC OR CONJUGATED DIENE MONOMER.
Inventors
- 👤 J Brewbaker
- 👤 R Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:15
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |