← Back to Patent Explorer
US2911431A Expired / Lapsed US ⏱️ 0.0 years remaining

Dimethyl-(methylphenyl)-phosphates

Assignee: Ethyl Corp
•
Filing: 1958-02-28
•
Granted: 1959-11-03
•
Expires: 1978-02-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harold D Orloff
  • 👤 Francis X Markley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:25
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 4 words
DIMETHYL-(MONOPHENYL)-PHOSPHATES HAVING THE FORMULA
Claim 2
Dependent Claim 4 words
DIMETHYL-(MONOPHENYL)-PHOSPHATES HAVING THE FORMULA

References Cited (Backward Citations)

US2250662A Cited
AT167432B Cited
DE817057C Cited
US2759962A Cited
US2678329A Cited
US2739978A Cited
US2694689A Cited
US2716056A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-02 1963-05-04 1963-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-02 1967-05-04 1967-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-02 1971-05-04 1971-11-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag