Patents Assigned to Van Dyk & Company, Incorporated
  • Sun screen compositions of unsaturated esters of p-dimethylaminobenzoic acid
    Patent number: 4078054
    Abstract: Compositions containing esters of an unsaturated monohydric alcohol, having from 3 to 10 carbon atoms, of p-dimethylaminobenzoic acid are very effective in controlling sunburn and skin tanning. These novel esters from C.sub.3 -C.sub.10 alcohols, which have high "K" values as described, are particularly useful.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: March 7, 1978
    Assignee: Van Dyk & Company, Incorporated
    Inventors: Howard P. Isermann, Joseph P. Ciaudelli
  • Fatty halo alkanoate quaternaries of dialkylaminopropylamides
    Patent number: 4038294
    Abstract: Novel compositions of matter consisting of fatty halo alkanoate quaternaries of dialkylaminopropylamides have been found to be excellent emollients having surprisingly good anti-tangle and anti-static properties in hair preparations. They are prepared by reacting the dialkylaminopropylamides with fatty halo alkanoate esters.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: July 26, 1977
    Assignee: Van Dyk & Company, Incorporated
    Inventors: Donald E. Conner, Arnold W. Fogel
  • Transparent ringing gels
    Patent number: 4026818
    Abstract: Aqueous transparent ringing gel compositions are prepared utilizing (2-ethyl-1,3-dihydroxy)2-propyl oleamide, a Kritchevsky base, and isostearic acid as necessary components. Other cosmetic materials can be utilized as desired.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: May 31, 1977
    Assignee: Van Dyk & Company, Incorporated
    Inventor: Joseph P. Ciaudelli
  • Quaternary halides of mink oil amides
    Patent number: 4012398
    Abstract: Novel compositions of matter consisting of amido propyl dialkyl amino beta hydroxy ethyl ammonium halides of mink oil have been found to be excellent emollients having surprisingly good hair conditioning properties. They are prepared for example by reacting either ethylene chlorohydrin or ethylene bromohydrin in a medium of water and propylene glycol, with an amide obtained by reacting, under anhydrous conditions, mink oil with either dimethylaminopropylamine or diethylaminopropylamine using an alkaline catalyst such as sodium hydroxide.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: March 15, 1977
    Assignee: Van Dyk & Company, Incorporated
    Inventors: Donald E. Conner, Arnold W. Fogel