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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
•
Granted: 1951-05-01
•
Expires: 1966-08-03
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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)

US2238638A Cited
US2235860A Cited
US2323898A Cited

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

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