Patents by Inventor Daniel Lednicer

Daniel Lednicer 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: 4036977
    Abstract: Compounds of the formula ##STR1## where R.sub.4 X is a polycyclocoupled group and R.sub.1 and R.sub.2 are H or simple hydrocarbon and R.sub.3 has the same value and additionally simple acyl, can be made by a variety of syntheses. They have hypolipedemic and antiatherosclerotic properties, and are useful in that field.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: July 19, 1977
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 4025558
    Abstract: This invention relates to novel benzospiran derivatives embraced by the formula ##STR1## wherein the sum of A and B is at least the integer 2; A is selected from the group consisting of --(CH.sub.2)--.sub.n wherein n is 1 through 5 and --(C.sub.n H.sub.2n -.sub.2 XY)-- wherein X is selected from the group consisting of hydroxy, acetoxy, amino and acetamido and Y is hydrogen, and X when taken together with Y is selected from the group consisting of =O and =CR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 are selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; B is absent or --(CH.sub.2)--.sub.n wherein n is 1 through 3; R.sup.1 is selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; R.sup.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: May 24, 1977
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 4010201
    Abstract: This invention relates to novel benzospiran derivatives embraced by the formula ##STR1## wherein the sum of A and B is at least the integer 2; A is selected from the group consisting of --(CH.sub.2).sub.n wherein n is 1 through 5 and --(CH.sub.n H.sub.2n --.sub.2 XY)-- wherein X is selected from the group consisting of hydroxy, acetoxy, amino and acetamido and Y is hydrogen, and X when taken together with Y is selected from the group consisting of =O and =CR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 are selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; B is absent or --(CH.sub.2).sub.n wherein n is 1 through 3; R.sup.1 is selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; R.sup.
    Type: Grant
    Filed: October 16, 1975
    Date of Patent: March 1, 1977
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 4008208
    Abstract: A composition which comprises a substance which is a substituted aromatic and which inhibits the thrombotic or clotting activity of a material, chemically bonded through an --N=N-- grouping to a second aromatic which is chemically bonded at a sulfonyl grouping through a nitrogen containing chemical bond to a material which is susceptible to interaction with a nitrene.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: February 15, 1977
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa
  • Patent number: 3979444
    Abstract: The invention relates to novel 4-hydroxymethyl(acyloxymethyl and methyl)-4-arylcyclohexylamines embraced by the formula ##SPC1##Wherein Ar is an aromatic ring selected from the group consisting of phenyl and naphthyl, each of which has from zero through three substituents independently selected from the group consisting of fluorine, chlorine, bromine, lower alkyl of one through three carbon atoms, lower alkoxy of one through three carbon atoms, and lower alkylthio of one through three carbon atoms; Z is selected from the group consisting of hydrogen, hydroxy and lower acyloxy of one through four carbon atoms; .about. is a generic expression denoting cis and trans stereoconfiguration and mixtures thereof, with the proviso that when the stereoconfiguration of the linkage connecting the cyclohexane ring and CH.sub.2 Z is cis to the amino group, the linkage connecting the cyclohexane and Ar rings is trans, and vice versa; R.sup.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: September 7, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 3975371
    Abstract: Compounds of the structure ##SPC1##Wherein R and R.sub.1 are the same or different and are selected from the group consisting of hydrogen, halogen, and alkyl from one to four carbon atoms, inclusive, and R.sub.2 is a substance which inhibits thrombogenic or clotting activity of a material and is that portion of a substituted aromatic which couples with a diazonium salt.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: August 17, 1976
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa
  • Patent number: 3965180
    Abstract: This invention relates to novel 4-(substituted alkoxy)-4-(substituted phenyl)cyclohexylamines embraced by the formula ##SPC1##Wherein .about. is a generic expression denoting cis and trans stereoconfiguration and mixtures thereof, with the proviso that when the stereoconfiguration of the linkage connecting the cyclohexane ring and R.sup.3 O is is cis to the amino group, the linkage connecting the cyclohexane and phenyl rings is always trans, and vice versa; R is selected from the group consisting of lower alkyl of 1 through 4 carbon atoms, chlorine, fluorine, bromine, trifluoromethyl, and lower alkoxy of 1 through 4 carbon atoms; R' has the same meaning as R and in addition hydrogen; R.sup.1 is selected from the group consisting of hydrogen and lower alkyl of 1 through 4 carbon atoms; R.sup.
    Type: Grant
    Filed: February 20, 1973
    Date of Patent: June 22, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 3960961
    Abstract: This invention relates to novel 4-phenylcyclohexylamines embraced by the formula ##SPC1##Wherein .about. is a generic expression denoting cis and trans stereoconfiguration and mixtures thereof; R is selected from the group consisting of alkyl of from one through four carbon atoms, fluorine, chlorine, bromine, trifluoromethyl, nitro and alkoxy of from one through four carbon atoms; R' and R.sup.1 are selected from the group consisting of hydrogen and alkyl of from one through four carbon atoms; R.sup.
    Type: Grant
    Filed: February 2, 1973
    Date of Patent: June 1, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 3954583
    Abstract: A new process for coating materials which are susceptible to interaction with an aromatic sulfonyl nitrene which involves contacting an aromatic sulfonylazide with said material and irradiating.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: May 4, 1976
    Assignee: The Upjohn Company
    Inventors: Daniel Lednicer, Edward E. Nishizawa
  • Patent number: 3953425
    Abstract: Novel azepine spiro indans, azepine spiro tetralins, pharmacologically acceptable acid addition salts thereof and processes for their production. The compounds of this invention and the pharmacologically acceptable acid addition salts thereof have central nervous system activity, they are especially useful as central nervous system depressants.
    Type: Grant
    Filed: September 6, 1974
    Date of Patent: April 27, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 3947520
    Abstract: Cis and trans isomers of 1,2-diphenyl-1,2,3,4-tetrahydronaphthalenes, novel processes for the preparation thereof, and novel intermediates are disclosed herein. The novel 1,2-diphenyl-1,2,3,4-tetrahydronaphthalenes have utility as antifertility estrogenic, anti-estrogenic, anti-spermatogenic, cholesterol lowering and lipid normalizing agents.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: March 30, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer
  • Patent number: 3932425
    Abstract: This invention relates to novel benzospiran derivatives embraced by the formula ##SPC1##Wherein the sum of A and B is at least the integer 2; A is selected from the group consisting of --(CH.sub.2).sub.n -- wherein n is 1 through 5 and --(C.sub.n H.sub.2n --.sub.2 XY)-- wherein X is selected from the group consisting of hydroxy, acetoxy, amino and acetamido and Y is hydrogen, and X when taken together with Y is selected from the group consisting of =O and =CR.sup.3 R.sup.4 wherein R.sup.3 and R.sup.4 are selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; B is absent or --(CH.sub.2).sub.n -- wherein n is 1 through 3; R.sup.1 is selected from the group consisting of hydrogen and lower alkyl of 1 through 3 carbon atoms; R.sup.
    Type: Grant
    Filed: April 12, 1974
    Date of Patent: January 13, 1976
    Assignee: The Upjohn Company
    Inventor: Daniel Lednicer