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US3304276A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyhydric phenol modified fatty media and iron surfaces chelated therewith

Assignee: Individual
•
Filing: 1964-05-13
•
Granted: 1967-02-14
•
Expires: 1984-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Faulkner Raymond Noel
  • 👤 O'neill Leonard Alfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:42
CPC Classifications
C; C09; C09F; C09F7/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 158 words
A PROCESS FOR OBTAINING HIGH YIELDS OF POLYHYDROXY PHENOL-SUBSTITUTED VEGETABLE OIL BASED MEDIA, SAID PROCESS COMPRISING HEATING FOR ABOUT 2-4 HOURS AT ABOUT 150*C. TO 230*C. IN THE PRESENCE OF A CATALYST, A REACTION MIXTURE COMPRISING (A) A VEGETABLE OIL BASED MEMBER SELECTED FROM THE GROUP CONSISTING OF CASTOR OIL, HYDROGENATED CASTOR OIL, LINSEED OIL, SOYBEAN OIL, TUNG OIL, DEHYDRATED CASTOR OIL, ISOMERIZED SAFFLOWER OIL, METHYL OLEATE, METHYL UNDECENOATE, THE MIXED LINSEED METHYL ESTERS, AND A CASTORPHTHALIC-GLYCEROL ALKYD, AND (B) A POLYHYDROXY PHENOL SELECTED FROM THE GOUP CONSISTING OF PYROGALLOL, CATECHOL, METHYL GALLATE, AND PROPYL GALLATE, WITH CONSTANT REMOVAL OF BYPRODUCT LOWER ALCOHOL DURING THE ALCOHOLYSIS THAT OCCURS WHEN THE SAID VEGETABLE OIL BASES MEMBER IS ONE THAT CONTAINS HYDROXYL FUNCTIONALITY AND THE POLYHYDRIC PHENOL IS A LOWER ALKYL GALLATE, SAID CATALYST BEINS SELECTED FROM THE GROUP CONSISTING OF ACIF-ACTIVATED MONTMORILLONITE AND A C2-C4 ALKOXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TITANIUM, AND ZIRCONIUM.
Claim 2
Dependent Claim 158 words
A PROCESS FOR OBTAINING HIGH YIELDS OF POLYHYDROXY PHENOL-SUBSTITUTED VEGETABLE OIL BASED MEDIA, SAID PROCESS COMPRISING HEATING FOR ABOUT 2-4 HOURS AT ABOUT 150*C. TO 230*C. IN THE PRESENCE OF A CATALYST, A REACTION MIXTURE COMPRISING (A) A VEGETABLE OIL BASED MEMBER SELECTED FROM THE GROUP CONSISTING OF CASTOR OIL, HYDROGENATED CASTOR OIL, LINSEED OIL, SOYBEAN OIL, TUNG OIL, DEHYDRATED CASTOR OIL, ISOMERIZED SAFFLOWER OIL, METHYL OLEATE, METHYL UNDECENOATE, THE MIXED LINSEED METHYL ESTERS, AND A CASTORPHTHALIC-GLYCEROL ALKYD, AND (B) A POLYHYDROXY PHENOL SELECTED FROM THE GOUP CONSISTING OF PYROGALLOL, CATECHOL, METHYL GALLATE, AND PROPYL GALLATE, WITH CONSTANT REMOVAL OF BYPRODUCT LOWER ALCOHOL DURING THE ALCOHOLYSIS THAT OCCURS WHEN THE SAID VEGETABLE OIL BASES MEMBER IS ONE THAT CONTAINS HYDROXYL FUNCTIONALITY AND THE POLYHYDRIC PHENOL IS A LOWER ALKYL GALLATE, SAID CATALYST BEINS SELECTED FROM THE GROUP CONSISTING OF ACIF-ACTIVATED MONTMORILLONITE AND A C2-C4 ALKOXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TITANIUM, AND ZIRCONIUM.

References Cited (Backward Citations)

US1954627A Cited
US2722521A Cited
GB826564A Cited
US2967840A Cited
US3039980A Cited
US3055869A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-13 1970-08-15 1971-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-13 1974-08-15 1975-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-13 1978-08-15 1979-02-14 $7700.00 Window Closed / Lapsed

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