Patents by Inventor Bruce H. Lipshutz

Bruce H. Lipshutz 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).

  • Photo-cleavable primer compositions and methods of use
    Patent number: 11976219
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: May 7, 2024
    Assignee: Ormco Corporation
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • Surface primer compositions and methods of use
    Patent number: 11739223
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: August 29, 2023
    Assignee: ENVISTA
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • PHOTO-CLEAVABLE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20230112086
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Application
    Filed: July 15, 2022
    Publication date: April 13, 2023
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • SURFACE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20230103027
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Application
    Filed: May 10, 2022
    Publication date: March 30, 2023
    Applicant: Envista
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • Photo-cleavable primer compositions and methods of use
    Patent number: 11453790
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: September 27, 2022
    Assignee: ENVISTA
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • Surface primer compositions and methods of use
    Patent number: 11352512
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: June 7, 2022
    Assignee: ENVISTA
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • PHOTO-CLEAVABLE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20200347248
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 5, 2020
    Applicant: Envista
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • SURFACE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20200347247
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 5, 2020
    Applicant: Envista
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • Surface primer compositions and methods of use
    Patent number: 10696698
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: June 30, 2020
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • Photo-cleavable primer compositions and methods of use
    Patent number: 10689407
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: June 23, 2020
    Assignee: ENVISTA
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • NANO-TO-NANO FE/PPM Pd CATALYSIS OF CROSS-COUPLING REACTIONS IN WATER
    Publication number: 20190099747
    Abstract: In one embodiment, the present application discloses a catalyst composition comprising: a) a reaction solvent or a reaction medium; b) organometallic nanoparticles comprising: i) a nanoparticle (NP) catalyst, prepared by a reduction of an iron salt in an organic solvent, wherein the catalyst comprises at least one other metal selected from the group consisting of Pd, Pt, Au, Ni, Co, Cu, Mn, Rh, Ir, Ru and Os or mixtures thereof; c) a ligand; and d) a surfactant; wherein the metal or mixtures thereof is present in less than or equal to 50,000 ppm relative to the iron salt.
    Type: Application
    Filed: September 26, 2018
    Publication date: April 4, 2019
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • Nano-to-nano Fe/ppm Pd catalysis of cross-coupling reactions in water
    Patent number: 10189016
    Abstract: In one embodiment, the present application discloses a catalyst composition comprising: a) a reaction solvent or a reaction medium; b) organometallic nanoparticles comprising: i) a nanoparticle (NP) catalyst, prepared by a reduction of an iron salt in an organic solvent, wherein the catalyst comprises at least one other metal selected from the group consisting of Pd, Pt, Au, Ni, Co, Cu, Mn, Rh, Ir, Ru and Os or mixtures thereof; c) a ligand; and d) a surfactant; wherein the metal or mixtures thereof is present in less than or equal to 50,000 ppm relative to the iron salt.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: January 29, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • BIARYL LIGANDS FOR TRANSITION METAL-CATALYZED REACTIONS
    Publication number: 20180117574
    Abstract: In one embodiment, the present application discloses ligands of the formula A, wherein the variables are as described herein, and methods for using the ligands in cross-coupling reactions in organic and polar media:
    Type: Application
    Filed: October 30, 2017
    Publication date: May 3, 2018
    Inventors: Bruce H. Lipshutz, Sachin Handa, Evan Landstrom
  • Nano-to-nano Fe/ppm Pd catalysis of cross-coupling reactions in water
    Patent number: 9956551
    Abstract: In one embodiment, the present application discloses a catalyst composition comprising: a) a reaction solvent or a reaction medium; b) organometallic nanoparticles comprising: i) a nanoparticle (NP) catalyst, prepared by a reduction of an iron salt in an organic solvent, wherein the catalyst comprises at least one other metal selected from the group consisting of Pd, Pt, Au, Ni, Co, Cu, Mn, Rh, Ir, Ru and Os or mixtures thereof; c) a ligand; and d) a surfactant; wherein the metal or mixtures thereof is present in less than or equal to 50,000 ppm relative to the iron salt.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: May 1, 2018
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • PHOSPHORUS LIGANDS AND METHODS OF USE
    Publication number: 20170362263
    Abstract: In one embodiment, the application discloses ligands, such as a ligand from a dihydrobenzo[1,3] oxaphosphole scaffold, and palladium complexes comprising the ligands and methods for performing cross coupling reactions and asymmetric cross coupling reactions with high selectivity and efficiency.
    Type: Application
    Filed: December 9, 2015
    Publication date: December 21, 2017
    Applicant: The Regents of the University of California
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • NANO-TO-NANO FE/PPM Pd CATALYSIS OF CROSS-COUPLING REACTIONS IN WATER
    Publication number: 20170341069
    Abstract: In one embodiment, the present application discloses a catalyst composition comprising: a) a reaction solvent or a reaction medium; b) organometallic nanoparticles comprising: i) a nanoparticle (NP) catalyst, prepared by a reduction of an iron salt in an organic solvent, wherein the catalyst comprises at least one other metal selected from the group consisting of Pd, Pt, Au, Ni, Co, Cu, Mn, Rh, Ir, Ru and Os or mixtures thereof; c) a ligand; and d) a surfactant; wherein the metal or mixtures thereof is present in less than or equal to 50,000 ppm relative to the iron salt.
    Type: Application
    Filed: June 15, 2017
    Publication date: November 30, 2017
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • SURFACE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20170217999
    Abstract: In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 3, 2017
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen
  • PHOTO-CLEAVABLE PRIMER COMPOSITIONS AND METHODS OF USE
    Publication number: 20170217997
    Abstract: In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 3, 2017
    Inventors: Byung Jun Ahn, Bruce H. Lipshutz, Sam L. Nguyen, Roscoe Linstadt
  • Fe-ppm Pd, Cu and/or Ni Nanoparticle-Catalyzed Reactions in Water
    Publication number: 20170173569
    Abstract: In one embodiment, the application discloses a composition for the reduction of an organic compound comprising a nitro group to form an organic compound comprising an amine group, the composition comprising: a) a transition metal salt; b) an iron salt; and c) a reducing agent; and methods for the use of such compositions, including Click chemistry and cross coupling reactions.
    Type: Application
    Filed: December 15, 2016
    Publication date: June 22, 2017
    Inventors: Bruce H. Lipshutz, Sachin Handa
  • NANO-TO-NANO FE/PPM Pd CATALYSIS OF CROSS-COUPLING REACTIONS IN WATER
    Publication number: 20160339418
    Abstract: In one embodiment, the present application discloses a catalyst composition comprising: a) a reaction solvent or a reaction medium; b) organometallic nanoparticles comprising: i) a nanoparticle (NP) catalyst, prepared by a reduction of an iron salt in an organic solvent, wherein the catalyst comprises at least one other metal selected from the group consisting of Pd, Pt, Au, Ni, Co, Cu, Mn, Rh, Jr, Ru and Os or mixtures thereof; c) a ligand; and d) a surfactant; wherein the metal or mixtures thereof is present in less than or equal to 50,000 ppm relative to the iron salt.
    Type: Application
    Filed: May 18, 2016
    Publication date: November 24, 2016
    Inventors: Bruce H. Lipshutz, Sachin Handa