Chemistry and Biochemistry

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  • Inventor(s):
    Ralph B. Davis
    Patent Number:
    US 3156704 B2
    Description:

    This invention relates to new chemical compounds, and more specifically arylcyanomethylene quinone oxirnes and their derivatives, and to methods for preparing the same.

    Date Issued:
    1964-11-10
    Record Visibility:
    Public
    Resource Type
    Patent
  • 2

    Patent

    Inventor(s):
    Ralph B. Davis
    Patent Number:
    US 3413333 B2
    Description:

    This disclosure relates to new aromatic amine compounds having the formula

    Ar-CH-AR’-NRR’ CH2NRR’

    wherein Ar is a phenyl or naphthyl radical or derivative; Ar’ is a 1,4-pheny1ene or 1,4-naphthylene radical or derivative thereof; R is hydrogen or an aliphatic or aromatic hydrocarbon group or derivative thereof; R is one of the groups de?ned for R or one of a number of other groups de?ned hereinafter; and R and R can be combined as a divalent group having both valenc…

    Date Issued:
    1968-11-26
    Record Visibility:
    Public
    Resource Type
    Patent
  • Inventor(s):
    Ralph B. Davis
    Patent Number:
    US 3222389 B2
    Description:

    This invention relates to new aromatic amines and derivatives thereof. It also relates to the methods for the preparation of these new compounds. This application is a continuation-in-part application of copending applica tion Serial No. 87,569, ?led February 7, 1961, now abandoned.

    Date Issued:
    1965-12-07
    Record Visibility:
    Public
    Resource Type
    Patent