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US2705241A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing high viscosity wax oxidate

Assignee: Texaco Inc
•
Filing: 1950-10-26
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Granted: 1955-03-29
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Expires: 1970-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 John K Mckinley
  • 👤 Gordon S Bright
  • 👤 Roy F Nelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:14
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/38; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/16; C10N; C10N2060/00; C10N2060/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 73 words
A WAX OXIDATE DERIVED BY THE CATALYTIC LIQUID PHASE OXIDATION OF PETROLATUM AT A TEMPERATURE BETWEEN 270 AND 400*F., AT A PRESSURE BELOW 20 POUNDS PER SQUARE INCH GAUGE AND AT AN AIR FEED RATE OF 15 TO 35 CUBIC FEET OF AIR PER POUND OF PETROLATUM PER HOUR, SAID OXIDATE BEING CHARACTERIZED BY A NEUT. NO. TO SAP. NO. RATIO LESS THAN 0.25 AND A SAYBOLT VISCOSITY AT 210*F. GREATER THAN 4,000.
Claim 2
Dependent Claim 73 words
A WAX OXIDATE DERIVED BY THE CATALYTIC LIQUID PHASE OXIDATION OF PETROLATUM AT A TEMPERATURE BETWEEN 270 AND 400*F., AT A PRESSURE BELOW 20 POUNDS PER SQUARE INCH GAUGE AND AT AN AIR FEED RATE OF 15 TO 35 CUBIC FEET OF AIR PER POUND OF PETROLATUM PER HOUR, SAID OXIDATE BEING CHARACTERIZED BY A NEUT. NO. TO SAP. NO. RATIO LESS THAN 0.25 AND A SAYBOLT VISCOSITY AT 210*F. GREATER THAN 4,000.

References Cited (Backward Citations)

US2156266A Cited
US2168699A Cited
US2216222A Cited
US2486454A Cited
US2542697A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-03-28 1958-09-27 1959-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-03-28 1962-09-27 1963-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-03-28 1966-09-27 1967-03-29 $7700.00 Window Closed / Lapsed

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