US3334069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the chloroalkylation of polyphenylene oxides
Assignee: General Electric Co
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Filing: 1965-03-29
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Granted: 1967-08-01
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Willem F H Borman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:43
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C08G65/48; C08G65/485; Y; Y10; Y10S; Y10S525/00; Y10S525/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
IN A PROCESS FOR PREPARING CHLORALKYL SUBSITUTED POLYPHENYLENE OXIDES WHICH COMPRISES REACTING CHLORINE GAS W ITH A POLYPHENYLENE OXIDE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
23 words
IN A PROCESS FOR PREPARING CHLORALKYL SUBSITUTED POLYPHENYLENE OXIDES WHICH COMPRISES REACTING CHLORINE GAS W ITH A POLYPHENYLENE OXIDE HAVING THE STRUCTURAL FORMULA:
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |