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US3004941A Expired / Lapsed US ⏱️ 0.0 years remaining

Heat resistant liquid resin composition from phenol, formaldehyde and dicyandiamide, and process for making same

Assignee: Monsanto Chemicals Ltd
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Filing: 1958-03-17
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Granted: 1961-10-17
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Expires: 1978-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Jerome J Mestdagh
  • 👤 Charles A Magarian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 09:06
CPC Classifications
C; C08; C08G; C08G14/00; C08G14/02; C08G14/04; C08G14/06

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 123 words
AN AQUEOUS-SOLVATED, LIQUID, WATER-DILUTABLE, FUSIBLE DICYANDIAMIDE-FORMALEDHYDE RESIN COMPOSITION IN SINGLE PACKAGE FORM ADAPTED FOR SHIPPING AND STORING THEREOF AND EXHIBITING IMPROVED WATER-DILUTABILITY RETENTION, THE SAID COMPOSITION COMPRISING AN AQUEOUS-SOLVATED, LIQUID, WATER-DILUTABLE, FUSIBLE MIXTURE OF CONDENSATES OF DICYANDIAMIDE-FORMALDEHYDE AND PHENOL-FORMALDEHYDE OF THE TYPE RESULTING FROM REACTING 1.0 MOL OF DICYANDIAMIDE AND 0.5-2.0 MOLS OF FORMALDEHYDE IN MOL RATIO IN THE PRESENCE OF AN ALKALINE-CATALYZED WATER-DILUTABLE REACTION MIXTURE OF PHENOL-FORMALEDHYDE AT A PH OF 5.0-10.0 AND A TEMPEATURE OF 40*-100*C. UNTIL A WATER-DILUTABLE, LIQUID PARTIAL CONDENSATE OF DICYANDIAMIDE AND FORMALDEHYDE IS FORMED AS DETERMINED BY THE SAID PARTIAL CONDENSATE PHOBING IN A QUANTITY OF WATER, THE SAID PHENOLFORMALDEHYDE REACTION MIXTURE BEING CONSTITUTED OF 1.0 MOL OF PHENOL TO 0.8-3.0 MOLS OF FORMALDEHYDE IN MOL RATIO.

References Cited (Backward Citations)

GB498165A Cited
US2604427A Cited
US2737504A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-16 1965-04-17 1965-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-16 1969-04-17 1969-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-16 1973-04-17 1973-10-17 $7700.00 Window Closed / Lapsed

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