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US3847887A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing hydroxy derivatives of fluorinated polymers

Assignee: Texaco Inc
•
Filing: 1973-07-09
•
Granted: 1974-11-12
•
Expires: 1993-07-09
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Abstract

Abstract 1. A METHOD FOR PREPARING AN ORGANIC HYDROXY COMPOUND DERIVATIVE OF A FLUORINATED POLYMER WHICH COMPRISES REACTING AT 50 TO 200*C. A FLUORINATED POLYMER FROM THE GROUP CONSISTING OF (1) A FLUORINATED POLYSTYRENE HAVING THE EMPIRICAL FORMULA (C16H3F25)X IN WHICH IS HAS A VALUE FROM 3 TO 5, AND (2) A FLUORINATED POLYPROPYLENE HAVING THE EMPRICAL FORMULA (C3HF5)X IN WHICH X HAS A VALUE FROM 20 TO 40, WITH A COMPOUND HAVING THE FORMULA ROH IN WHICH R IS A HYDROCARBYL RADICAL HAVING FROM 2 TO 30 CARBON ATOMS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF: (1) A TERTIARY AMINE HAVING THE FORMULA R3N IN WHICH R IS AN ALIPHATI RADICAL HAVING FROM 1 TO 30 CARBON ATOMS, AND, (2) AN ALKALI METAL SALT HAVING THE FORMULA ROM IN WHICH M REPRESENTS AN ALKALI METAL AND R HAS THE VALUE NOTED ABOVE, SAID REACTION BEING CONDUCTED USING ABOUT ONE MOIETY OF SAID ORGANIC HYDROXY COMPOUND AND TWO MOIETIES OF SAID TERTIARY AMINE OR ALKALI METAL SALT CATALYST FOR EACH HYDROGEN ATOM IN SAID FLUORINATED POLYMER.

Inventors

  • 👤 W Siegart
  • 👤 W Blackley
  • 👤 H Chafetz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:27
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/20; C10L1/206; C08; C08F; C08F8/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 179 words
A METHOD FOR PREPARING AN ORGANIC HYDROXY COMPOUND DERIVATIVE OF A FLUORINATED POLYMER WHICH COMPRISES REACTING AT 50 TO 200*C. A FLUORINATED POLYMER FROM THE GROUP CONSISTING OF (1) A FLUORINATED POLYSTYRENE HAVING THE EMPIRICAL FORMULA (C16H3F25)X IN WHICH IS HAS A VALUE FROM 3 TO 5, AND (2) A FLUORINATED POLYPROPYLENE HAVING THE EMPRICAL FORMULA (C3HF5)X IN WHICH X HAS A VALUE FROM 20 TO 40, WITH A COMPOUND HAVING THE FORMULA ROH IN WHICH R IS A HYDROCARBYL RADICAL HAVING FROM 2 TO 30 CARBON ATOMS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF: (1) A TERTIARY AMINE HAVING THE FORMULA R3N IN WHICH R IS AN ALIPHATI RADICAL HAVING FROM 1 TO 30 CARBON ATOMS, AND, (2) AN ALKALI METAL SALT HAVING THE FORMULA ROM IN WHICH M REPRESENTS AN ALKALI METAL AND R HAS THE VALUE NOTED ABOVE, SAID REACTION BEING CONDUCTED USING ABOUT ONE MOIETY OF SAID ORGANIC HYDROXY COMPOUND AND TWO MOIETIES OF SAID TERTIARY AMINE OR ALKALI METAL SALT CATALYST FOR EACH HYDROGEN ATOM IN SAID FLUORINATED POLYMER.
Claim 2
Independent Claim 179 words
A METHOD FOR PREPARING AN ORGANIC HYDROXY COMPOUND DERIVATIVE OF A FLUORINATED POLYMER WHICH COMPRISES REACTING AT 50 TO 200*C. A FLUORINATED POLYMER FROM THE GROUP CONSISTING OF (1) A FLUORINATED POLYSTYRENE HAVING THE EMPIRICAL FORMULA (C16H3F25)X IN WHICH IS HAS A VALUE FROM 3 TO 5, AND (2) A FLUORINATED POLYPROPYLENE HAVING THE EMPRICAL FORMULA (C3HF5)X IN WHICH X HAS A VALUE FROM 20 TO 40, WITH A COMPOUND HAVING THE FORMULA ROH IN WHICH R IS A HYDROCARBYL RADICAL HAVING FROM 2 TO 30 CARBON ATOMS, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF: (1) A TERTIARY AMINE HAVING THE FORMULA R3N IN WHICH R IS AN ALIPHATI RADICAL HAVING FROM 1 TO 30 CARBON ATOMS, AND, (2) AN ALKALI METAL SALT HAVING THE FORMULA ROM IN WHICH M REPRESENTS AN ALKALI METAL AND R HAS THE VALUE NOTED ABOVE, SAID REACTION BEING CONDUCTED USING ABOUT ONE MOIETY OF SAID ORGANIC HYDROXY COMPOUND AND TWO MOIETIES OF SAID TERTIARY AMINE OR ALKALI METAL SALT CATALYST FOR EACH HYDROGEN ATOM IN SAID FLUORINATED POLYMER.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-11 1978-05-13 1978-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-11 1982-05-13 1982-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-11 1986-05-13 1986-11-12 $7700.00 Window Closed / Lapsed

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