US2551050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of aromatic hydrocarbons and symmetrical dichloroacetone and process for producing same
Assignee: Universal Oil Products Co
•
Filing: 1946-08-03
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Granted: 1951-05-01
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Expires: 1966-08-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John T Pinkston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:54
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
A COMPOSITION OF MATTER COMPRISING THE CONDENSATION PRODUCT OF A XYLENE AND SYMMETRICAL DICHLOROACETONE, SAID PRODUCT BEING A HARD, CLEAR RESIN HAVING A SOFTENING POINT ABOVE ABOUT 200* F.
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |