Patents by Inventor Peter Jurges

Peter Jurges has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4282355
    Abstract: Process for the manufacture of bis-benzoxazolyl-stilbene compounds which comprises the chlorination in an inert organic solvent of benzoxazolyl-stilbene carboxylic acid, addition of a solution of an aminophenol in an aprotic, dipolar solvent to the acid chloride thus obtained and subsequent cyclization in the presence of an acid catalyst of the acyl compound obtained.
    Type: Grant
    Filed: February 14, 1980
    Date of Patent: August 4, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rudiger Erckel, Peter Jurges
  • Patent number: 4233026
    Abstract: A composition containing a sparingly soluble or insoluble dyestuff which comprises, as a processing agent, from 0.5 to 50 percent by weight of the composition of at least one water-soluble non-ionic compound of the formula Y--O--Z--H wherein Y represents a hydrogen atom or a group of the formula ##STR1## (in which X is a carbon atom or an aromatic ring system having from 6 to 10 carbon atoms, and R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, represent hydrogen atoms, or alkyl or alkenyl groups, with the proviso that at least one of R.sup.1, R.sup.2 and R.sup.3 is other than a hydrogen atom and the total number of carbon atoms in R.sup.1, R.sup.2 and R.sup.3 is not more than 36); and Z represents a (C.sub.2 H.sub.4 O).sub.m or (C.sub.3 H.sub.6 O).sub.n group or a combination thereof (in which m and n, which may be the same or different, each represents an integer from 2 to 15), and which may additionally contain water, at least one water-soluble anionic compound of formula R.sup.4 --SO.sub.
    Type: Grant
    Filed: July 17, 1979
    Date of Patent: November 11, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Hitschfel, Peter Jurges, Rudolf Munk