Patents by Inventor Harald Weiser

Harald Weiser 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).

  • Heterocyclic rodenticidal compounds, compositions containing the compounds, and methods of use
    Patent number: 4931458
    Abstract: Heterocyclic compounds of the formula ##STR1## wherein X is --CH.dbd.CH--; R.sup.1 is the group Ar--R.sup.2 or --CH.dbd.CH--C(CH.sub.3).dbd.CH--R.sup.21 ; Ar is phenyl, pyridyl, furyl or thienyl; R.sup.2 is --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3, lower-alkylsulphonyl or formyl; R.sup.21 is --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3 or formyl; R.sup.3 is hydrogen or lower-alkyl; and R.sup.4 is hydrogen, hydroxy, amino, lower-alkyl amino, di-(lower alkyl)amino or lower alkyl; with at least one ring of the molecule being heterocyclic, as well as salts of such compounds are useful in rodenticidal compositions containing a bait to eliminate rodents.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: June 5, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Klaus, Peter Loeliger, Harald Weiser
  • Composition which contain hydroxylated derivatives of vitamin D.sub.3
    Patent number: 4929610
    Abstract: Novel combination preparations containing 1.alpha.,25-dihydroxy vitamin D.sub.3 or 1.alpha.-hydroxy vitamin D.sub.3 and 1.alpha.,24,25(or 1.alpha.,25,26)-trihydroxy vitamin D.sub.3 are described. These preparations are useful in the treatment of various disorders which are characterized by disturbances of the calcium and phosphate metabolism such as osteoporosis and can also be used in animal nutrition.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: May 29, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Werner Meier, Walter A. Rambeck, Harald Weiser, Hermann Zucker
  • Heterocyclic rodenticidal compounds, compositions containing the compounds, and methods of use
    Patent number: 4816476
    Abstract: Heterocyclic compounds of the formula ##STR1## wherein X is --CH.dbd.CH--, --O-- or --S--; R.sup.1 is a group Ar--R.sup.2 or --CH.dbd.CH--C(CH.sub.3).dbd.CH--R.sup.21 ; Ar is phenyl, pyridyl, furyl or thienyl; R.sup.2 is a group --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3, lower-alkylsulphonyl or formyl; R.sup.21 is a group --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3 or formyl; R.sup.3 is hydrogen or lower-alkyl and R.sup.4 is hydrogen, hydroxy, amino, lower alkylamino, di-(lower alkyl)amino or lower-alkyl; at least one ring of the molecule being heterocyclic, salts thereof, processes for their preparation, rodenticidal compositions containing these compounds as the active ingredient and methods of use of the rodenticidal compositions are disclosed.
    Type: Grant
    Filed: December 12, 1986
    Date of Patent: March 28, 1989
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Klaus, Peter Loeliger, Harald Weiser
  • Benzofuranyl (thienyl) propenyl derivatives useful as rodenticides
    Patent number: 4659735
    Abstract: Heterocyclic compounds of the formula ##STR1## wherein X is --CH.dbd.CH--, --O--or --S--; R.sup.1 is a group Ar--R.sup.2 or --CH.dbd.CH--C(CH.sub.3).dbd.CH--R.sup.21 ; Ar is phenyl, pyridyl, furyl or thienyl; R.sup.2 is a group --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3, lower-alkylsulphonyl or formyl; R.sup.21 is a group --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3 or formyl; R.sup.3 is hydrogen or lower-alkyl and R.sup.4 is hydrogen, hydroxy, amino, lower alkylamino, di-(lower alkyl)amino or lower-alkyl; at least one ring of the molecule being heterocyclic, salts thereof, processes for their preparation, rodenticidal compositions containing these compounds as the active ingredient and methods of use of the rodenticidal compositions are disclosed.
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: April 21, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Klaus, Peter Loeliger, Harald Weiser
  • 4,5,6,7-Tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl or furan-2-yl derivatives
    Patent number: 4535086
    Abstract: Heterocyclic compounds of the formula ##STR1## wherein X is --CH.dbd.CH--, --O-- or --S--; R.sup.1 is a group Ar--R.sup.2 or --CH.dbd.CH--C(CH.sub.3).dbd.CH--R.sup.21 ; Ar is phenyl, pyridyl, furyl or thienyl; R.sup.2 is a group --CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3, lower-alkylsulphonyl or formyl; R.sup.21 is a group--CO.sub.2 R.sup.3, --C(O)R.sup.4, --CH.sub.2 OR.sup.3 or formyl; R.sup.3 is hydrogen or lower-alkyl and R.sup.4 is hydrogen, hydroxy, amino, lower alkylamino, di-(lower alkyl)amino or lower-alkyl; at least one ring of the molecule being heterocyclic, salts thereof, processes for their preparation, rodenticidal compositions containing these compounds as the active ingredient and methods of use of the rodenticidal compositions are disclosed.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: August 13, 1985
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Klaus, Peter Loeliger, Harald Weiser