Patent US3153103A successfully refreshed from Google Patents.
US3153103A
Expired / Lapsed
US
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One-step polyethylation of di-p-xylylene
Assignee: Union Carbide Corp
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Filing: 1962-08-08
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Granted: 1964-10-13
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Ying L Yeh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:40
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/025; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/864; C07C2/865; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1213; C07C2603/00; C07C2603/92; C08G2261/00; C08G2261/30; C08G2261/34; C08G2261/342; C08G2261/3424; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
PROCESS FOR THE PREPARATION OF POLYETHYLATED DIP-XYLYLENES WHICH COMPRISES HEATING A DI-P-XYLYLENE IN CONTACT WITH AT LEAST A STOICHIOMETRIC PORPORTION OF AN ETHYLATING AGENT HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
28 words
PROCESS FOR THE PREPARATION OF POLYETHYLATED DIP-XYLYLENES WHICH COMPRISES HEATING A DI-P-XYLYLENE IN CONTACT WITH AT LEAST A STOICHIOMETRIC PORPORTION OF AN ETHYLATING AGENT HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2379368A
Cited
DE1085673B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |