← Back to Patent Explorer
US3235502A Expired / Lapsed US ⏱️ 0.0 years remaining

Foam-inhibited oil compositions

Assignee: ExxonMobil Oil Corp
•
Filing: 1962-06-11
•
Granted: 1966-02-15
•
Expires: 1982-06-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Hans F Waldmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 05:49
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 91 words
A FOAM-INHIBITED MINERAL OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL OIL, A MINOR AMOUNT, FROM ABOUT 0.5% TO ABOUT 30%, OF AN OIL-SOLUBLE DETERGENT ADDITIVE WHICH NORMALLY INCREASES THE FOAM-FORMING TENDENCY OF SAID COMPOSITION AND AS A FOAM-INHIBITING COMBINATION (A) A MINOR AMOUNT, FROM ABOUT 0.5 TO ABOUT 10 PARTS PER MILLION, OF A DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. OF FROM ABOUT 3.0 CS. TO ABOUT 1,000,000 CS. AND (B) A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 1.0%, OF AN ALKOXYLATED ALIPHATIC ACID OF THE FORMULA:
Claim 2
Dependent Claim 91 words
A FOAM-INHIBITED MINERAL OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL OIL, A MINOR AMOUNT, FROM ABOUT 0.5% TO ABOUT 30%, OF AN OIL-SOLUBLE DETERGENT ADDITIVE WHICH NORMALLY INCREASES THE FOAM-FORMING TENDENCY OF SAID COMPOSITION AND AS A FOAM-INHIBITING COMBINATION (A) A MINOR AMOUNT, FROM ABOUT 0.5 TO ABOUT 10 PARTS PER MILLION, OF A DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. OF FROM ABOUT 3.0 CS. TO ABOUT 1,000,000 CS. AND (B) A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 1.0%, OF AN ALKOXYLATED ALIPHATIC ACID OF THE FORMULA:

References Cited (Backward Citations)

US2085709A Cited
US2843551A Cited
US2829112A Cited
US2906712A Cited
US2972579A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-14 1969-08-16 1970-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-14 1973-08-16 1974-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-14 1977-08-16 1978-02-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag