US3280202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing p-xylylene-containing compositions
Assignee: Union Carbide Corp
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Filing: 1964-07-09
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Granted: 1966-10-18
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Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Heinrich G Gilch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:48
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/025; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/70; C07C17/00; C07C17/013; C07C17/23; C07C17/26; C07C17/263; C07C17/269; C07C201/00; C07C201/06; C07C201/14; C07C2603/00; C07C2603/92; C08G2261/00; C08G2261/30; C08G2261/34; C08G2261/342; C08G2261/3424
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PROCESS FOR THE PREPARATION OF P-XYLYLENE-CONTAINING COMPOSITIONS WHICH COMPRISES FORMING REACTIVE INTERMEDIARY P-XYLYLENES HAVING THE GRNERAL STRUCTURE
Claim 2
Dependent Claim
18 words
A PROCESS FOR THE PREPARATION OF P-XYLYLENE-CONTAINING COMPOSITIONS WHICH COMPRISES FORMING REACTIVE INTERMEDIARY P-XYLYLENES HAVING THE GRNERAL STRUCTURE
References Cited (Backward Citations)
US3053909A
Cited
US3149175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |