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US2921028A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for degasifying an organophilic clay-bodied lubricant

Assignee: Phillips Petroleum Co
•
Filing: 1955-04-11
•
Granted: 1960-01-12
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Expires: 1975-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 Charles A Stratton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:48
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/14; C10M2203/00; C10M2203/10; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2207/10; C10M2207/14; C10M2207/141; C10M2207/40; C10M2207/404; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/20; C10M2215/202; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2050/00; C10N2050/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 36 words
IN A PROCESS FOR MANUFACTURING A BODIED LUBRICANT WHEREIN AN ORGANOPHILIC CLAY IS COLLOIDALLY DISPERSED IN AN ORGANIC LUBRICATING LIQUID THE IMPROVEMENT WHICH COMPRISES DEGASIFYING SAID CLAY PRIOR TO COLLOIDALLY DISPERSING SAID CLAY IN SAID LIQUID.
Claim 2
Dependent Claim 36 words
IN A PROCESS FOR MANUFACTURING A BODIED LUBRICANT WHEREIN AN ORGANOPHILIC CLAY IS COLLOIDALLY DISPERSED IN AN ORGANIC LUBRICATING LIQUID THE IMPROVEMENT WHICH COMPRISES DEGASIFYING SAID CLAY PRIOR TO COLLOIDALLY DISPERSING SAID CLAY IN SAID LIQUID.

References Cited (Backward Citations)

US2257945A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-11 1963-07-13 1964-01-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-11 1967-07-13 1968-01-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-11 1971-07-13 1972-01-12 $7700.00 Window Closed / Lapsed

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