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US3212866A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrazine-hydrocarbon dispersion composition

Assignee: Texaco Inc
•
Filing: 1962-12-26
•
Granted: 1965-10-19
•
Expires: 1982-12-26
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Abstract

No abstract record available.

Inventors

  • 👤 Frederic C Mccoy
  • 👤 Edwin C Knowles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 20:20
CPC Classifications
C; C10; C10L; C10L1/00; C06; C06B; C06B47/00; C06B47/02; C06B47/08; C10L1/10; C10L1/12; C10L1/1266; C10L1/14; C10L1/18; C10L1/185; C10L1/1852; C10L1/188; C10L1/19; C10L1/191; C10L1/22; C10L1/222; C10L1/224; C10L1/24; C10L1/2431; C10L1/2437

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
A TRANSPARENT MICELLAR DISPERSION COMPOSITION COMPRISING 30-99.5 WEIGHT PERCENT LIQUID HYDROCARBON PHASE, 0.5-70 WEIGHT PERCENT HYDRAZINE PHASE, SAID HYDRAZINE PHASE BEING DISPERSED IN THE FORM OF MICELLES HAVING AN AVERAGE DIAMETER LESS THAN 0.1 MICRON; THE HYDROCARBON COMPONENT OF SAID HYDROCARBON PHASE BEING PRESENT, IN AN AMOUNT BETWEEN 30 TO 97 WEIGHT PERCENT OF SAID HYDROCARBON PHASE; HYDRAZINE BEING PRESENT IN AN AMOUNT OF BETWEEN 60-90 WEIGHT PERCENT OF SAID HYDRAZINE PHASE; A HYDROCARBON-SOLUBLE, HYDRAZINE-INSOLUBLE DISPERSANT HAVING A GENERAL FORMULA: X(R''O)NH WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC ALCOHOL, AN ALKYL PHENOL, AN ALIPHATIC HYDROCARBYL AMINE CONTAINING 6 TO 24 CARBON ATOMS, R'' IS A DIVALENT HYDROCARBON RADICAL CONTAINING FROM 2 TO 4 CARBON ATOMS AND N HAS A VALUE OF 1 TO 4, SAID HYDROCARBON-SOLUBLE, HYDRAZINE-INSOLUBLE DISPERSANT BEING PRESENT IN AN AMOUNT OF 3-70 WEIGHT PERCENT OF SAID HYDROCARBON PHASE AND A HYDRAZINE-SOLUBLE, HYDROCARBON-INSOLUBLE DISPERSANT SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE SALTS OF ALIPHATIC CARBOXYLIC ACIDS OF AT LEAST 4 CARBON ATOMS AND QUATERNARY AMMONIUM SALTS IN AN AMOUNT OF 10-40 WEIGHT PERCENT OF SAID HYDRAZINE PHASE.
Claim 2
Dependent Claim 183 words
A TRANSPARENT MICELLAR DISPERSION COMPOSITION COMPRISING 30-99.5 WEIGHT PERCENT LIQUID HYDROCARBON PHASE, 0.5-70 WEIGHT PERCENT HYDRAZINE PHASE, SAID HYDRAZINE PHASE BEING DISPERSED IN THE FORM OF MICELLES HAVING AN AVERAGE DIAMETER LESS THAN 0.1 MICRON; THE HYDROCARBON COMPONENT OF SAID HYDROCARBON PHASE BEING PRESENT, IN AN AMOUNT BETWEEN 30 TO 97 WEIGHT PERCENT OF SAID HYDROCARBON PHASE; HYDRAZINE BEING PRESENT IN AN AMOUNT OF BETWEEN 60-90 WEIGHT PERCENT OF SAID HYDRAZINE PHASE; A HYDROCARBON-SOLUBLE, HYDRAZINE-INSOLUBLE DISPERSANT HAVING A GENERAL FORMULA: X(R''O)NH WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC ALCOHOL, AN ALKYL PHENOL, AN ALIPHATIC HYDROCARBYL AMINE CONTAINING 6 TO 24 CARBON ATOMS, R'' IS A DIVALENT HYDROCARBON RADICAL CONTAINING FROM 2 TO 4 CARBON ATOMS AND N HAS A VALUE OF 1 TO 4, SAID HYDROCARBON-SOLUBLE, HYDRAZINE-INSOLUBLE DISPERSANT BEING PRESENT IN AN AMOUNT OF 3-70 WEIGHT PERCENT OF SAID HYDROCARBON PHASE AND A HYDRAZINE-SOLUBLE, HYDROCARBON-INSOLUBLE DISPERSANT SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE SALTS OF ALIPHATIC CARBOXYLIC ACIDS OF AT LEAST 4 CARBON ATOMS AND QUATERNARY AMMONIUM SALTS IN AN AMOUNT OF 10-40 WEIGHT PERCENT OF SAID HYDRAZINE PHASE.

References Cited (Backward Citations)

US1811552A Cited
US2573471A Cited
US2662817A Cited
US2934417A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-18 1969-04-19 1969-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-18 1973-04-19 1973-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-18 1977-04-19 1977-10-19 $7700.00 Window Closed / Lapsed

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