Patents by Inventor Joachim B. Kohn

Joachim B. Kohn 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: 8173163
    Abstract: Degradable polymeric compositions containing water-insoluble drugs blended with copolymers of biocompatible diphenol compound monomer units with pendant carboxylic acid groups polymerized with biocompatible diphenol com-pound monomer units with pendant carboxylic acid ester groups and poly(alkylene oxide) blocks, wherein the molar fraction in the copolymer of biocompatible diphenol compound monomer units with pendant carboxylic acid groups and poly(alkylene oxide) blocks relative to the weight percentage of the drug in the composition is effective to provide pseudo-zero order release of the drug from the composition during the sustained-release phase of drug delivery under physiological conditions. Ocular treatment methods and manufacturing methods are also disclosed.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: May 8, 2012
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Isaac John Khan, Carmine P. Lovine
  • Publication number: 20120108677
    Abstract: Disclosed are biocompatible, bioresorbable polymers comprising a plurality of monomeric repeating units containing an imine group, wherein the inclusion of said imine group is effective to lower the melt viscosity, the solution viscosity, or both, compared to the same polymer without an imine group.
    Type: Application
    Filed: November 1, 2011
    Publication date: May 3, 2012
    Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Joachim B. Kohn, Durgadas Bolikal
  • Patent number: 8147863
    Abstract: Biocompatible polyarylates of diphenol compounds and poly(alkylene oxide) dicarboxylic acids, articles formed therefrom and therapeutic uses are disclosed.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: April 3, 2012
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Satish Pulapura, Arthur Schwarz, Raman Bahulekar
  • Publication number: 20110275782
    Abstract: New bioresorbable polymers are synthesized from monomer analogs of natural metabolites In particular, polymers are polymerized from analogs of amino acids that contribute advantageous synthesis, processing and material properties to the polymers prepared therefrom, including particularly advantageous degradation profiles
    Type: Application
    Filed: September 16, 2009
    Publication date: November 10, 2011
    Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Joachim B. Kohn, Durgadas Bolikal
  • Publication number: 20110269848
    Abstract: Biocompatible, bioresorbable polymers comprising a plurality of monomeric repeating units containing an amide group, wherein said amide groups are N-substituted and the N-substituent and degree of N-substitution are effective to lower the melt viscosity, the solution viscosity, or both, compared to the same polymer without N-substitution.
    Type: Application
    Filed: July 14, 2011
    Publication date: November 3, 2011
    Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Joachim B. Kohn, Durgadas Bolikal, Jaap Schut, Ernest G. Baluca
  • Patent number: 8008528
    Abstract: Biocompatible, bioresorbable polymers comprising a plurality of monomeric repeating units containing an amide group, wherein said amide groups are N-substituted and the N-substituent and degree of N-substitution are effective to lower the melt viscosity, the solution viscosity, or both, compared to the same polymer without N-substitution.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: August 30, 2011
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Durgadas Bolikal, Jaap Schut, Ernest G. Baluca
  • Patent number: 7838122
    Abstract: Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(?O)—R2—P—R1??(I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, lower alkyl, lower alkoxy or —R2—C(?O)—NH—NH—R3; each R2 is independently —CH2—, —NH— or O; and each R3 is independently hydrogen or a residue of a naturally occurring alpha-L-amino acid or dipeptide thereof. Polymer networks crosslinked with hydrazide compounds are also disclosed, together with implantable medical devices incorporating the compounds and crosslinked polymers, and angiogenesis-promoting treatment methods, including wound-treatment methods.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: November 23, 2010
    Assignee: Rutgers, the State University of New Jersey
    Inventors: Joachim B. Kohn, Kristen S. Labazzo, Durgadas Bolikal
  • Publication number: 20100215719
    Abstract: Biocompatible polyarylates of diphenol compounds and poly(alkylene oxide) dicarboxylic acids, articles formed therefrom and therapeutic uses are disclosed.
    Type: Application
    Filed: May 5, 2010
    Publication date: August 26, 2010
    Applicant: Rutgers, the State University of New Jersey
    Inventors: Joachim B. Kohn, Satish Pulapura, Arthur Schwarz, Raman Bahulekar
  • Publication number: 20100131037
    Abstract: The present invention relates to polymeric medical devices such as stents. More particularly the polymeric compositions disclosed herein comprise halogen-containing, tyrosine-derived diphenols, optionally in conjunction with other groups, such as dicarboxylic acids and/or poly(alkylene oxides), such that the medical devices made from these polymeric compositions are bioresorbable and inherently radiopaque, and exhibit physicomechanical properties consistent with the intended uses of such devices.
    Type: Application
    Filed: September 24, 2009
    Publication date: May 27, 2010
    Applicant: Rutgers , the State University
    Inventors: Joachim B. Kohn, Durgadas Bolikal, Aaron D. Pesnell, Joan Zeltinger, Donald K. Brandom, Eric Schmid
  • Patent number: 7722896
    Abstract: Biocompatible polyarylates of diphenol compounds and poly(alkylene oxide) dicarboxylic acids, articles formed therefrom and therapeutic uses are disclosed.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: May 25, 2010
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Satish Pulapura, Arthur Schwartz, Raman Bahulekar
  • Publication number: 20100063242
    Abstract: The present invention is directed to polyarylates comprising repeating units having the structure: as well as their preparation and use as cell growth substrates.
    Type: Application
    Filed: July 31, 2009
    Publication date: March 11, 2010
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Ken James, Brochini Stephen, Varawut Tangpasuthadol, Joachim B. Kohn
  • Publication number: 20090317472
    Abstract: Topical compositions are provided in which active compounds for topical delivery through the stratum corneum are complexed with nanospheres of a triblock copolymer having an A-B-A structure wherein each A end block is a water-soluble, hydrophilic and non-toxic polymer or oligomer; and the hydrophobic middle B block is a hydrophobic polymer or oligomer with the same or different repeating units having the structure according to formula:(I) wherein X is —C —R—C— or —C—; Z is between 2 and about 100, inclusive; R1 is CH?CH or (CH2), wherein n is from 0 to 18, inclusive; R2 is selected from hydrogen and straight and branched alkyl, alkoxy, alkylaryl and alkoxyaryl groups containing up to 18 carbon atoms; and R is selected from a bond or straight and branched alkyl, alkoxy, alkylaryl and alkoxyaryl groups containing up to 18 carbon atoms.
    Type: Application
    Filed: January 31, 2008
    Publication date: December 24, 2009
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Bozena Michniak, David Devore, Larisa Sheihet, Prafulla Chandra, Priya Batheja
  • Publication number: 20090285895
    Abstract: A formulation containing a biologically active compound having a structure with hydrogen bonding sites is blended with a polymer having a structure with complementary hydrogen bonding sites, the polymer forming hydrolytic degradation products that promote the release of the biologically active compound from the polymer.
    Type: Application
    Filed: April 20, 2009
    Publication date: November 19, 2009
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Deborah M. Schachter
  • Publication number: 20090238858
    Abstract: Degradable polymeric compositions containing water-insoluble drugs blended with copolymers of biocompatible diphenol compound monomer units with pendant carboxylic acid groups polymerized with biocompatible diphenol com-pound monomer units with pendant carboxylic acid ester groups and poly(alkylene oxide) blocks, wherein the molar fraction in the copolymer of biocompatible diphenol compound monomer units with pendant carboxylic acid groups and poly(alkylene oxide) blocks relative to the weight percentage of the drug in the composition is effective to provide pseudo-zero order release of the drug from the composition during the sustained-release phase of drug delivery under physiological conditions. Ocular treatment methods and manufacturing methods are also disclosed.
    Type: Application
    Filed: February 20, 2009
    Publication date: September 24, 2009
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Isaac John Khan, Carmine P. Iovine
  • Patent number: 7585929
    Abstract: The present invention is directed to polyarylates comprising repeating units having the structure: as well as their preparation and use as cell growth substrates.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: September 8, 2009
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Ken James, Stephen Brocchini, Varawut Tangpasuthadol, Joachim B. Kohn
  • Patent number: 7521061
    Abstract: A formulation containing a biologically active compound having a structure with hydrogen bonding sites is blended with a polymer having a structure with complementary hydrogen bonding sites, the polymer forming hydrolytic degradation products that promote the release of the biologically active compound from the polymer.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: April 21, 2009
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Deborah M. Schachter
  • Publication number: 20080274158
    Abstract: Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(?O)—R2—P—R1 ??(I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, lower alkyl, lower alkoxy or —R2—C(?O)—NH—NH—R3; each R2 is independently —CH2—, —NH— or O; and each R3 is independently hydrogen or a residue of a naturally occurring alpha-L-amino acid or dipeptide thereof. Polymer networks crosslinked with hydrazide compounds are also disclosed, together with implantable medical devices incorporating the compounds and crosslinked polymers, and angiogenesis-promoting treatment methods, including wound-treatment methods.
    Type: Application
    Filed: May 6, 2008
    Publication date: November 6, 2008
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Kristen S. Labazzo, Durgadas Bolikal
  • Publication number: 20080194469
    Abstract: A formulation containing a biologically active compound having a chemical structure with hydrogen bonding sites, a first biocompatible, hydrolytically degrading polycarbonate with hydrogen bonding sites and tyrosine-derived diphenol monomer units, and a second biocompatible hydrolytically degrading polymer that is less hydrophobic than the polycarbonate, wherein the second polymer degrades hydrolytically to form acidic degradation products that promote the release of the active compound. Methods for active compound delivery are also disclosed.
    Type: Application
    Filed: January 7, 2008
    Publication date: August 14, 2008
    Applicant: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY
    Inventors: Joachim B. Kohn, Deborah M. Schachter
  • Publication number: 20080187567
    Abstract: Biocompatible, bioresorbable polymers comprising a plurality of monomeric repeating units containing an amide group, wherein said amide groups are N-substituted and the N-substituent and degree of N-substitution are effective to lower the melt viscosity, the solution viscosity, or both, compared to the same polymer without N-substitution.
    Type: Application
    Filed: October 17, 2007
    Publication date: August 7, 2008
    Inventors: Joachim B. Kohn, Durgadas Bolikal, Jaap Schut, Ernest G. Baluca
  • Publication number: 20080152690
    Abstract: Polymers with a hydrolytically labile polymer backbones with non-toxic biocompatible diphenolic repeating units having the structure: wherein R9 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid group or the benzyl ester thereof; and non-toxic biocompatible diphenolic repeating units having the structure: wherein R12 is an alkyl, aryl or alkylaryl group with up to 18 carbon atoms having a pendent carboxylic acid ester group selected from straight and branched alkyl and alkylaryl esters containing up to 18 carbon atoms and ester derivatives of biologically and pharmaceutically active compounds covalently bonded to the polymer, provided that said ester group is not a benzyl group or a group that is removed by hydrogenolysis. Implantable medical devices and treatment methods using the polymers are also disclosed.
    Type: Application
    Filed: March 11, 2008
    Publication date: June 26, 2008
    Applicant: Rutgers, The State University of New Jersey
    Inventors: Joachim B. Kohn, Durgadas Bolikal, Shuiyum Guan