Patents by Inventor Richard Hochreuter

Richard Hochreuter 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: 4233193
    Abstract: The invention concerns polymeric basic amides produced by reacting a polymer containing carboxyl groups and a polyamine which contains an alkyl or alkenyl radical of 11 to 22 carbon atoms, at least one ethylene or propylene radical and at least two nitrogen atoms, of which at least one forms a primary or secondary amino group, at a temperature over 100.degree. C., which in the form of their acid salts are water-dispersible and useful textile softeners.
    Type: Grant
    Filed: October 18, 1978
    Date of Patent: November 11, 1980
    Assignee: Sandoz Ltd.
    Inventors: Richard Hochreuter, James R. Runyon
  • Patent number: 4151139
    Abstract: The invention provides novel polyaddition products of polyglycol diepoxides and polyamine derivatives, which products are useful as antistatic agents.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: April 24, 1979
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter
  • Patent number: 4139478
    Abstract: The present invention concerns an application liquor for a novel method of antistatically treating synthetic, semi-synthetic or natural porous material, particularly fibrous material, which comprises a polychlorohydrin ether of tris-(hydroxymethyl)-aminomethane and a polyglycol diamine in an admixture and/or in partially condensed form.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: February 13, 1979
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter
  • Patent number: 4139689
    Abstract: The invention concerns polymeric basic amides produced by reacting a polymer containing carboxyl groups and a polyamine which contains an alkyl or alkenyl radical of 11 to 22 carbon atoms, at least one ethylene or propylene radical and at least two nitrogen atoms, of which at least one forms a primary or secondary amino group, at a temperature over 100.degree. C., which in the form of their acid salts are water-dispersible and useful textile softeners.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: February 13, 1979
    Assignee: Sandoz Ltd.
    Inventors: Richard Hochreuter, James R. Runyon
  • Patent number: 4059631
    Abstract: The present invention concerns a novel method of antistatically treating synthetic, semi-synthetic or natural porous material, particularly fibrous material, which comprises applying thereto a polychlorohydrin ether of tris-(hydroxymethyl)-aminomethane and a polyglycol bis-epichlorohydrin in admixture and/or in partially condensed form, and curing the compound(s) on the material.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: November 22, 1977
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter
  • Patent number: 4002785
    Abstract: The present invention concerns a method of producing non-woven fabrics by impregnating a non-woven fibrous web with a binding agent dispersion characterized by the use of a compound of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic hydrocarbon substituent,R.sub.1, r.sub.2 and R.sub.3 are each hydrogen, alkyl or polyalkoxy substituentsn is an integer andZ is zero or an integer in free base, acid addition salt or quaternary ammonium salt form, to prevent migration of the binding agent.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: January 11, 1977
    Assignee: Sandoz Ltd.
    Inventors: Marcel Grossmann, Richard Hochreuter
  • Patent number: 4001285
    Abstract: The invention provides novel compounds of formula ##STR1## in which R signifies a hydrocarbon radical of 5 to 22 carbon atoms, which may be substituted,R.sub.1 and R.sub.2, which may be the same or different, each signifies a hydrogen atom or a lower alkyl radical which may be substituted, provided that at least one of R.sub.2 and R.sub.1 or the R.sub.1 's signifies hydroxyalkyl or carboxyalkyl, in which the alkyl radical contains 1 to 4 carbon atoms, or a radical of formula --CH.sub.2 SO.sub.3.sup.- M.sup.+, --CH.sub.2 --CH.sub.2 --O).sub.p H, --CH.sub.2 --CH(CH.sub.3)O).sub.p H, --CH.sub.2 --CH.sub.2 --CN or --CH.sub.2 --CH.sub.2 CONH.sub.2,p signifies 1 to 10,X signifies --CONH--, ##STR2## --O-- or --S--, m signifies 0 to 6,n or the n's, which may be the same or different when m is greater than 1, each signifies from 1 to 8,a signifies 0 or 1 andM.sup.+ signifies hydrogen, an ammonium cation or an equivalent of a metal cation, and quaternary ammonium derivatives thereof, useful as textile finishing agents.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: January 4, 1977
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter
  • Patent number: 3987231
    Abstract: The present invention concerns a novel method of antistatically treating synthetic, semi-synthetic or natural porous material, particularly fibrous material, which comprises applying thereto a polychlorohydrin ether of tris-(hydroxymethyl)-aminomethane and a polyglycol bis-epichlorohydrin in admixture and/or in partially condensed form, and curing the compound(s) on the material. The treatment is particularly resistant to washing.
    Type: Grant
    Filed: September 6, 1974
    Date of Patent: October 19, 1976
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter
  • Patent number: 3980682
    Abstract: The invention relates to synthetic polymers obtainable by condensingA. a carboxyl-group-bearing polymer having a molecular weight of between 300 and 10,000,B. a primary aliphatic amine containing 1 to 6, preferably 1 to 3, particularly 1, hydroxyl group,C. an epihalohydrin, andD. an alkyl(C.sub.11 -C.sub.22) or alkenyl(C.sub.11 -C.sub.22) group-containing mono or poly amine, unsubstituted or substituted on the alkyl or alkenyl chain by hydroxyl and/or substituted on the amino function(s) by alkyl(C.sub.1 -C.sub.3), unsubstituted or substituted by hydroxyl and/or a group(--CH(Ro)--CH.sub.2 --O).sub.r --Hor (--CH.sub.2 --CH(Ro)--O)--O).sub.r Hwherein Ro is hydrogen, methyl or ethyl, and r is an integer 2 to 30, that are water dispersible and in disperse form are useful as wash softeners for synthetic fibers especially polyamide fibers.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: September 14, 1976
    Assignee: Sandoz Ltd.
    Inventors: Bernard Danner, Richard Hochreuter
  • Patent number: 3968315
    Abstract: The invention concerns a novel method of reducing the tendency of material to accumulate static electricity which comprises antistatically treating said material with a water soluble or readily water-dispersible salt having a cation of the formula: ##EQU1## WHEREIN R.sub.1, R.sub.2, and R.sub.3 are substituents e.g. alkyl and m, n, and x are integers.
    Type: Grant
    Filed: November 13, 1974
    Date of Patent: July 6, 1976
    Assignee: Sandoz Ltd.
    Inventor: Richard Hochreuter