Patent US3089850A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3089850A Expired / Lapsed US ⏱️ 0.0 years remaining

Phosphorothiolothionates derived from glycols

Assignee: Eastman Kodak Co
•
Filing: 1957-05-08
•
Granted: 1963-05-14
•
Expires: 1977-05-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard L Mcconnell
  • 👤 Jr Harry W Coover

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:10
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1651; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10M2225/00; C10M2225/02; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 39 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL AND A MINOR PROPORTION OF A METAL SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS AND ALKALINE EARTH METAL SALTS OF AN ORGANOPHOSPHORUS COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim 39 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL AND A MINOR PROPORTION OF A METAL SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SALTS AND ALKALINE EARTH METAL SALTS OF AN ORGANOPHOSPHORUS COMPOUND HAVING THE FORMULA:

References Cited (Backward Citations)

US2355106A Cited
US2552570A Cited
US2661365A Cited
GB759334A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-13 1966-11-12 1967-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-13 1970-11-12 1971-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-13 1974-11-12 1975-05-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag