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US2870125A Expired / Lapsed US ⏱️ 0.0 years remaining

Epoxidized polyethylenically unsaturated polycarboxylic acids, derivatives thereof and method for producing the same

Assignee: Shell Development Co
•
Filing: 1953-12-08
•
Granted: 1959-01-20
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Expires: 1973-12-08
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Abstract

No abstract record available.

Inventors

  • 👤 George B Payne
  • 👤 Curtis W Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:06
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42; C07D303/46; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 162 words
AN EPOXY-SUBSTITUTED COMPOUND OF THE GROUP CONSISTING OF C18 TO C30 OPEN-CHAIN POLYETHYLENICALLY UNSATURATED POLYCARBOXYLIC SCIDS HAVING FROM 2 TO 4 CAR BOXYL GROUPS AND FROM 2 TO 4 ETHYLENIC GRTOUPS AND HAVING AT LEAST ONE OF THE ETHYLENIC GROUPS IN THE ACIDS MOIETY OF THE MOLECULE AT LEAST ONE CARBON ATOM BUT NOT MORE THAN 6 CARBON ATOMS REMOVE FROM A CARBOXYL GROUP, CONVERTED TO AMAPOXY GROUP, AND THEIR ACID CHLORIDES, ESTERS OF THESE ACIDS AND HYDROCARBON HYDRIC ALCOHOLS CONTAINING UP TO 12 CARBON ATOMS, SALTS OF THESE ACIDS AND COBALT, IRON MANGANES, LEAD ALU MINUM, NICKEL. IRON TIN AND VANADIUM, UNSUBSTITUTED AMIDES OF THESE ACIDS AND THE N-LOWER ALKAYL AND NLOWER ALKENYL AMIDES OF THESE ACIDS, THE AFOREDESCRIBED ACIDS BEFORE EXOPIDIZATION BEING OBTAINABLE BY THE REACTION OF APPROXIMATELY 1 MOL OF A CYCLIC PEROXIDE WITH FROM ABOUT 1 TO 2 MOLS OF A COMPOUND CONTAINING A CONJUGATED SYSTEM OF DOUBLE BONDS IN THE PRESENCE OF IRON AND A REDUCING AGENT.
Claim 2
Dependent Claim 162 words
AN EPOXY-SUBSTITUTED COMPOUND OF THE GROUP CONSISTING OF C18 TO C30 OPEN-CHAIN POLYETHYLENICALLY UNSATURATED POLYCARBOXYLIC SCIDS HAVING FROM 2 TO 4 CAR BOXYL GROUPS AND FROM 2 TO 4 ETHYLENIC GRTOUPS AND HAVING AT LEAST ONE OF THE ETHYLENIC GROUPS IN THE ACIDS MOIETY OF THE MOLECULE AT LEAST ONE CARBON ATOM BUT NOT MORE THAN 6 CARBON ATOMS REMOVE FROM A CARBOXYL GROUP, CONVERTED TO AMAPOXY GROUP, AND THEIR ACID CHLORIDES, ESTERS OF THESE ACIDS AND HYDROCARBON HYDRIC ALCOHOLS CONTAINING UP TO 12 CARBON ATOMS, SALTS OF THESE ACIDS AND COBALT, IRON MANGANES, LEAD ALU MINUM, NICKEL. IRON TIN AND VANADIUM, UNSUBSTITUTED AMIDES OF THESE ACIDS AND THE N-LOWER ALKAYL AND NLOWER ALKENYL AMIDES OF THESE ACIDS, THE AFOREDESCRIBED ACIDS BEFORE EXOPIDIZATION BEING OBTAINABLE BY THE REACTION OF APPROXIMATELY 1 MOL OF A CYCLIC PEROXIDE WITH FROM ABOUT 1 TO 2 MOLS OF A COMPOUND CONTAINING A CONJUGATED SYSTEM OF DOUBLE BONDS IN THE PRESENCE OF IRON AND A REDUCING AGENT.
Claim 3
Dependent Claim 22 words
A POLYMER OF A COMPOUND DEFINED IN CLAIMED 1 OBTAINED BY HEATING THE COMPOUND IN THE PRESENCE OF AN AMINE CURING AGENT.

References Cited (Backward Citations)

US2680109A Cited
US2671064A Cited
US2757192A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-19 1962-07-21 1963-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-19 1966-07-21 1967-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-19 1970-07-21 1971-01-20 $7700.00 Window Closed / Lapsed

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