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US3767708A Expired / Lapsed US ⏱️ 0.0 years remaining

Aminomethyl phospholenes

Assignee: Pharmacia and Upjohn Co
•
Filing: 1971-10-18
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Granted: 1973-10-23
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Expires: 1991-10-18
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Abstract

Abstract COMPOUNDS ARE DISCLOSED HAVING THE GENERAL FORMULA: (F-N(-G)-C(-R1)(-R2)-P(=O)<(-CH(-D)-CH(-C)-C(-B)=C(-A)-))- Y WHEREIN A,B,C AND D ARE EACH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, ALKOXY OF 1 TO 6 CARBON ATOMS, INCLUSIVE, PHENOXY, HYDROCARBYL OF 1 TO 6 CARBON ATOMS, INCLUSIVE AND HALO-SUBSTITUTED HYDROCARBYL OF 1 TO 6 CARBON ATOMS, INCLUSIVE; F IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL OF 1 TO 6 CARBON ATOMS, INCLUSIVE, AND HYDROXYLALKYL OF 2 TO 6 CARBON ATOMS, INCLUSIVE; G IS HYDROXYLAKYL OF 2 TO 6 CARBON ATOMS, INCLUSIVE; R1 AND R2 WHEN TAKEN INDIVIDUALLY ARE EACH SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HYDROCARBYL OF 1 TO 6 CARBON ATOMS; R1 AND R2 TAKEN TOGETHER WITH THE CARBON ATOM TO WHICH THEY ARE ATTACHED,, REPRESENT A MOIETY SELECTED FROM THE GROUP CONSISTING OF CYCLOALKYLENE AND CYCLOALKENYLENE, SAID CYCLOALKYLENE AND CYCLOALKENYLENE EACH HAVING 4 TO 6 CARBON ATOMS, INCLUSIVE IN THE RING THEREOF; THE BROKEN LINE INDICATES A DOUBLE BOND LOCATED BETWEEN THE CARBON ATOM AT POSITION 3 AND ONE OF THE TWO CARBON ATOMS AT POSITIONS 2 AND 4; Y IS HYDROGEN ATTACHED TO WHICHEVER CARBON ATOM AT POSITIONS 2 AND 4 IS NOT PART OF SAID DOUBLE BOND. DISCLOSED ALSO ARE NVEL INTERMEDIATE COMPOUNDS AND METHODS OF EMPLOYING THEM IN PREPARING THE NOVEL COMPOUNDS OF THE INVENTION. THE COMPOUNDS OF THE INVENTION ARE USEFUL AS CATALYSTS FOR PREPARING CARBODIIMIDES FROM ISOCYANATES; AD SURFACE-ACTIVE AGENTS AND AS REACTIVE FLAME RETARDANT COMPONENTS OF POLYMER SYSTEMS, SUCH AS POLYURETHANE POLYMERS.

Inventors

  • 👤 C Smith
  • 👤 H Ulrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:57
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/3889; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6568; C08F; C08F10/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-22 1977-04-23 1977-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-22 1981-04-23 1981-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-22 1985-04-23 1985-10-23 $7700.00 Window Closed / Lapsed

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