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US3305501A Expired / Lapsed US ⏱️ 0.0 years remaining

Water solubilized epoxy resin esters of fumaric- or itaconic-fatty acid adducts

Assignee: Celanese Coatings Co
•
Filing: 1962-09-21
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Granted: 1967-02-21
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Expires: 1982-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph M Spalding

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:59
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4292; C08L; C08L63/00; C08L63/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 168 words
A PROCESS FOR THE PREPARATION OF WATER SOLUBLE EPOXY ESTERS WHICH COMPRISES (I) AT A TEMPERATURE ABOVE 390*F. HEATING AND CONDENSING (A) AN UNSATURATED FATTY ACID HAVING 10 TO 24 CARBON ATOMS IN ITS HYDROCARBON CHAIN WITH (B) 5 TO 25 PERCENT BY WEIGHT BASED ON THE UNSATURATED FATTY ACID OF FUMARIC ACID TO FORM A CONDENSATE-FATTY ACID MIXTURE HAVING AN ACID VALUE IN THE RANGE OF 165 TO 305 (II) SUBSEQUENTLY AT A TEMPERATURE BELOW 390*F. WHICH SUPPRESSES CARBOXY-HYDROXY REACTIONS, REACTING THE CONDENSATE-FATTY ACID MIXTURE WITH SUFFICIENT GLYCIDYL POLYETHER OF A DIHYDRIC PHENOL OR ALIPHATIC POLYOL, HAVING AN EXOPIDE EQUIVALENT BELOW 100, TO REDUCE THE ACID VALUE TO ONE-HALF TO ONE-THIRD OF ITS INITIAL VALUE, FORMING AN EPOXY ESTER COMPOSITION, THE ACID VALUE INDICATING THE PRESENCE OF CARBOXY GROUPS IN THE COMPOSITION. (III) AND THEN REACTING THE EPOXY ESTER COMPOSITION WITH SUFFICIENT AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND WATER SOLUBLE AMINES TO FORM A WATER SOLUBE AMINE SALT OF THE EPOXY ESTER COMPOSITION.
Claim 2
Dependent Claim 168 words
A PROCESS FOR THE PREPARATION OF WATER SOLUBLE EPOXY ESTERS WHICH COMPRISES (I) AT A TEMPERATURE ABOVE 390*F. HEATING AND CONDENSING (A) AN UNSATURATED FATTY ACID HAVING 10 TO 24 CARBON ATOMS IN ITS HYDROCARBON CHAIN WITH (B) 5 TO 25 PERCENT BY WEIGHT BASED ON THE UNSATURATED FATTY ACID OF FUMARIC ACID TO FORM A CONDENSATE-FATTY ACID MIXTURE HAVING AN ACID VALUE IN THE RANGE OF 165 TO 305 (II) SUBSEQUENTLY AT A TEMPERATURE BELOW 390*F. WHICH SUPPRESSES CARBOXY-HYDROXY REACTIONS, REACTING THE CONDENSATE-FATTY ACID MIXTURE WITH SUFFICIENT GLYCIDYL POLYETHER OF A DIHYDRIC PHENOL OR ALIPHATIC POLYOL, HAVING AN EXOPIDE EQUIVALENT BELOW 100, TO REDUCE THE ACID VALUE TO ONE-HALF TO ONE-THIRD OF ITS INITIAL VALUE, FORMING AN EPOXY ESTER COMPOSITION, THE ACID VALUE INDICATING THE PRESENCE OF CARBOXY GROUPS IN THE COMPOSITION. (III) AND THEN REACTING THE EPOXY ESTER COMPOSITION WITH SUFFICIENT AMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND WATER SOLUBLE AMINES TO FORM A WATER SOLUBE AMINE SALT OF THE EPOXY ESTER COMPOSITION.

References Cited (Backward Citations)

US2262923A Cited
US2848433A Cited
US2890189A Cited
US3027340A Cited
US2915486A Cited
US2914508A Cited
US3050480A Cited
US3027341A Cited
US2967837A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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