Patents by Inventor Hans L. Hulsmann

Hans L. Hulsmann 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: 5155246
    Abstract: A wool-wax substitute and a process for its formation are disclosed where the wool-wax substitute is the product of esterification of 1 mole of a glycerol-polyglycerol mixture with:(a) from 0.5 to 1.1 moles of a saturated aliphatic monocarboxylic acid having from 6 to 10 carbon atoms, or mixtures thereof;(b) from 0.5 to 1.1 moles of an unsubstituted straight chained saturated aliphatic monocarboxylic acid having from 16 to 22 carbon atoms, or mixtures thereof;(c) from 0.0 to 0.6 mole of an aliphatic saturated branched-chain monocarboxylic acid having from 16 to 18 carbon atoms;(d) from 0.0 to 0.5 mole of a saturated monocarboxylic acid having from 16 to 20 atoms and containing hydroxyl groups, or mixtures thereof, and(e) from 0.5 to 1.0 mole of saturated aliphatic dicarboxylic acids having from 4 to 10 carbon atoms, or mixtures thereof.The wool-wax has a hydroxyl number ranging from 20 to 100 and acid and iodine numbers under 5.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: October 13, 1992
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Sasanka S. Naskar, Hans L. Hulsmann, Reinhard Pass
  • Patent number: 4643850
    Abstract: Viscous, gel-like ester mixtures of reaction products of fatty acid polyol partial esters and gamma-glycidoxypropyltrialkoxysilanes, which can contain, if desired, dicarboxylic acids as additional reaction components, and methods for their preparation are disclosed. The ester mixtures are especially provided as additives for oily liquids for the preparation of gels or for increasing viscosity. Also, spreadable preparations are disclosed, which are produced from a component of oily consistency and, preferably, an active agent contained therein, which, because they contain the new ester mixtures, consisting of products of the reaction of partial esters of polyols of the aliphatic monocarboxylic acids and, in some cases, the aliphatic dicarboxylic acids, with gamma-glycidoxypropyltrialkoxysilanes of high ability to adhere to the skin, are difficult to wash from the skin and make the skin difficult to wet.
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: February 17, 1987
    Assignee: Dynamit Nobel AG
    Inventors: Hans L. Hulsmann, Reinhard Pass, Horst Hermsdorf
  • Patent number: 4510093
    Abstract: A synthetic unsaturated wax ester prepared from unsaturated carboxylic acids of 18 to 22 carbon atoms and unsaturated fatty alcohols of 12 to 22 carbon atoms is proposed as a substitute for jojoba oil.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: April 9, 1985
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventor: Hans L. Hulsmann
  • Patent number: 4137399
    Abstract: Production of cellulose derivatives substituted by groups having functional moieties by reaction of a hydroxyl group(s) of the cellulose with an at least bifunctional reagent. The reagent is reacted with cellulose dissolved in dimethylsulfoxide containing polyhydroxymethylene.
    Type: Grant
    Filed: September 30, 1977
    Date of Patent: January 30, 1979
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hans L. Hulsmann, Gustav Renckhoff