Patent US1770673A successfully refreshed from Google Patents.
US3137677A
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US
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Polymers of dichloroalkyl benzene and a phenol and process of preparing same
Assignee: Beazer East Inc
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Filing: 1959-09-15
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Granted: 1964-06-16
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Expires: 1979-09-15
Abstract
No abstract record available.
Inventors
- 👤 Nicholas C Bolgiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:54
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/38; C08G65/44; C08G61/00; C08G61/02; C08G8/00; C08G8/04; C08G8/08; C08G8/20; C08G8/22; C08G8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A METHOD OF MAKING A POLYMER CONTAINING ONLY CARBON TO CARBON BONDS IN THE POLYMER CHAIN COMPRISING REACTING AT A TEMPERATURE OF 50-250*C. A DICHLOROALKYLBENZENE SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL1,2-DICHLOROETHANE AND 1,2-DICHLORO-2-PHENYLPROPANE WITH A PHENOLIC COMPOUND HAVING THE FORMULA:
Claim 2
Independent Claim
41 words
A METHOD OF MAKING A POLYMER CONTAINING ONLY CARBON TO CARBON BONDS IN THE POLYMER CHAIN COMPRISING REACTING AT A TEMPERATURE OF 50-250*C. A DICHLOROALKYLBENZENE SELECTED FROM THE GROUP CONSISTING OF 1-PHENYL1,2-DICHLOROETHANE AND 1,2-DICHLORO-2-PHENYLPROPANE WITH A PHENOLIC COMPOUND HAVING THE FORMULA:
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |