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US2859204A Expired / Lapsed US ⏱️ 0.0 years remaining

Methylolated compositions and products derived therefrom

Assignee: General Electric Co
•
Filing: 1955-03-01
•
Granted: 1958-11-04
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Expires: 1975-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frank P Florentine
  • 👤 Edmond F Fiedler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:46
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 258 words
THE METHOD OF PREPARING RESINOUS CONDENSATION PRODUCTS WHICH COMPRISES (1) REACTING TOGETHER, UNDER ALKINE CONDITIONS, (A) A MIXTURE OF SPACED POLYPHENOLS, SAID SPACED POLYPHENOLS COMPRISING THE PRODUCT OF HEAT REACTING THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST (I) A MONOHYDROXY BENZENE COMPOUND SELECTED FROM THE GROUP CONSISTNG OF MONOHYDROXY BENZENE AND SUBSTITUTED MONOHYDROXY BENZENE IN WHICH THE SUBSTITUTION IS SELECTED FROM THE GROUP CONSISTING OF ALKLY GROUPS, ALKOXY GROUPS AND HALOGEN RADICALS AND (II) A MIXTURE OF CHLORINATED HYDROCARBONS HAVING FROM ABOUT 12 TO ABOUT 30 CARBON ATOMS PER MOLECULE, FROM ABOUT 15 TO ABOUT 45 PERCENT, BY WEIGHT OF THE CHLORINATED HYDROCARBON, OF CHLORINE AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 250 TO ABOUT 600, AND ION WHICH SPACED POLYPHENOLS THE AVERAGE DEGREE OF SUBSTITUTION OF HYDROCARBON GROUPS PER MONOMETHYLENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND PARAFORMALDEHYDE, TO FORM A MIXTURE OF METHYLOLATED SPACED POLYPHENOLS, THE REACTIVE METHYLENE COMPOUND BEING PRESENT IN SUFFICIENT QUANTITY TO GIVE A NUMBER OF METHYLENE GROUPS EQUIVALENT TO FROM ONE-HALF THE TOTAL NUMBER OF FREE REACTIVE ORTHO AND PARA POSITIONS AVAILABLE ON THE MONOHYDROXY BENZENE RINGS IN THE SPACED POLYPHENOLS UP TO A NUMBER OF METHYLENE GROUPS EQUIVALENT TO THE TOTAL AVAILABLE REACTIVE ORTHO AND PARA POSITIONS IN THE SPACED POLYPHENOLS, AND (2) THEREAFTER REACTING THE RESULTING METHYLOLATED PRODUCTS, IN THE PRESENCE OF AN ACID CATALYST, WITH A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL AND SUBSTITUTED MONOPHENOLS IN WHICH THE SUBSTITUTION IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS, ALKOXY GROUPS AND HALOGEN RADICALS.
Claim 2
Independent Claim 258 words
THE METHOD OF PREPARING RESINOUS CONDENSATION PRODUCTS WHICH COMPRISES (1) REACTING TOGETHER, UNDER ALKINE CONDITIONS, (A) A MIXTURE OF SPACED POLYPHENOLS, SAID SPACED POLYPHENOLS COMPRISING THE PRODUCT OF HEAT REACTING THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST (I) A MONOHYDROXY BENZENE COMPOUND SELECTED FROM THE GROUP CONSISTNG OF MONOHYDROXY BENZENE AND SUBSTITUTED MONOHYDROXY BENZENE IN WHICH THE SUBSTITUTION IS SELECTED FROM THE GROUP CONSISTING OF ALKLY GROUPS, ALKOXY GROUPS AND HALOGEN RADICALS AND (II) A MIXTURE OF CHLORINATED HYDROCARBONS HAVING FROM ABOUT 12 TO ABOUT 30 CARBON ATOMS PER MOLECULE, FROM ABOUT 15 TO ABOUT 45 PERCENT, BY WEIGHT OF THE CHLORINATED HYDROCARBON, OF CHLORINE AND HAVING A MOLECULAR WEIGHT IN THE RANGE OF ABOUT 250 TO ABOUT 600, AND ION WHICH SPACED POLYPHENOLS THE AVERAGE DEGREE OF SUBSTITUTION OF HYDROCARBON GROUPS PER MONOMETHYLENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND PARAFORMALDEHYDE, TO FORM A MIXTURE OF METHYLOLATED SPACED POLYPHENOLS, THE REACTIVE METHYLENE COMPOUND BEING PRESENT IN SUFFICIENT QUANTITY TO GIVE A NUMBER OF METHYLENE GROUPS EQUIVALENT TO FROM ONE-HALF THE TOTAL NUMBER OF FREE REACTIVE ORTHO AND PARA POSITIONS AVAILABLE ON THE MONOHYDROXY BENZENE RINGS IN THE SPACED POLYPHENOLS UP TO A NUMBER OF METHYLENE GROUPS EQUIVALENT TO THE TOTAL AVAILABLE REACTIVE ORTHO AND PARA POSITIONS IN THE SPACED POLYPHENOLS, AND (2) THEREAFTER REACTING THE RESULTING METHYLOLATED PRODUCTS, IN THE PRESENCE OF AN ACID CATALYST, WITH A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL AND SUBSTITUTED MONOPHENOLS IN WHICH THE SUBSTITUTION IS SELECTED FROM THE GROUP CONSISTING OF ALKYL GROUPS, ALKOXY GROUPS AND HALOGEN RADICALS.

References Cited (Backward Citations)

US2228159A Cited
US2416218A Cited
US2429565A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-11-03 1962-05-05 1962-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-11-03 1966-05-05 1966-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-11-03 1970-05-05 1970-11-04 $7700.00 Window Closed / Lapsed

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