Patents by Inventor Larry F Rhodes

Larry F Rhodes 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: 11897991
    Abstract: Embodiments in accordance with the present invention encompass compositions comprising a organopalladium compound, a photoacid generator, a photosensitizer and one or more olefinic monomers which undergo vinyl addition polymerization when said composition is exposed to a suitable actinic radiation to form a substantially transparent film. The monomers employed therein have a range of optical and mechanical properties, and thus these compositions can be tailored to form films having various opto-electronic properties. Accordingly, compositions of this invention are useful in various applications, including as coatings, encapsulants, fillers, leveling agents, among others.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: February 13, 2024
    Assignee: PROMERUS, LLC
    Inventors: Guodong Deng, Shun Hayakawa, Larry F Rhodes
  • Patent number: 11879033
    Abstract: Embodiments in accordance with the present invention encompass a variety of polymers derived from polycyclic olefin monomers, such as hydrocarbon functionalized norbornenes. The polymers so formed function as ionomers and are suitable as anion exchange membrane for fabricating a variety of electrochemical devices, among others. More specifically, the ionomeric polymers used herein are derived from a variety of quaternized amino functionalized norbornene monomers and are lightly crosslinked (less than ten mol %). The membranes made therefrom exhibit very high ionic conductivity of up to 198 mS/cm at 80° C. This invention also relates to using an anion conducting solid polymer electrolyte as the ion conducting medium between the two electrodes and the ion conducting medium within the electrodes acting as the ionic conduit between electroactive material and electrolyte. The electrochemical devices made in accordance of this invention are useful as fuel cells, gas separators, and the like.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: January 23, 2024
    Assignees: PROMERUS, LLC, GEORGIA TECH RESEARCH CORPORATION
    Inventors: Paul A Kohl, Mrinmay Mandal, Matthew L Barchok, Doug Skilskyj, Larry F Rhodes
  • Patent number: 11845880
    Abstract: Embodiments in accordance with the present invention encompass compositions containing one or more polycycloolefinic monomers and at least one multifunctional olefinic monomer which when subjected to a suitable temperature undergoes mass polymerization to provide a three-dimensional insulating article which exhibits hitherto unattainable low dielectric constant and low-loss properties, and very high thermal properties. The compositions of this invention may additionally contain one or more organic or inorganic filler materials, which provide improved thermo-mechanical properties in addition to very low dielectric properties. The compositions are stable at room temperature and undergo mass polymerization only when subjected to suitable higher temperatures generally above 100° C. The compositions of this invention are useful in various applications, including as insulating materials in millimeter wave radar antennas, among others.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: December 19, 2023
    Assignee: PROMERUS, LLC
    Inventors: Pramod Kandanarachchi, Larry F Rhodes, Sho Kubota
  • Patent number: 11834542
    Abstract: Embodiments in accordance with the present invention encompass compositions containing a latent organo-ruthenium carbide catalyst, a photoactive acid generator or a thermally active acid generator and a photoactive compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said composition is exposed to a suitable radiation (or heat) to form a three-dimensional (3D) object. The three-dimensional objects made by this process exhibits improved mechanical properties, particularly, high distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: December 5, 2023
    Assignee: PROMERUS, LLC
    Inventors: Larry F Rhodes, Oleksandr Burtovyy
  • Patent number: 11834622
    Abstract: Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fragrance ingredient in a number of personal care products including lotions and shampoo. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formulae (IA) or (IB): Wherein m, R1, R2 and R3 are as defined herein. The compounds of formulae (IA) or (IB) are useful as perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including shampoo, lotions, skin care products, hair products, sanitary products, among various other personal care products.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: December 5, 2023
    Assignee: PROMERUS, LLC
    Inventor: Larry F Rhodes
  • Publication number: 20230312775
    Abstract: A series of palladium compounds as described herein are found to be superior vinyl addition polymerization catalysts. Specifically the compounds of formulae (I) and (II) as described herein surprisingly exhibit much higher reactivity than the compounds known in the art in the vinyl addition polymerization of a variety of cyclo-olefinic monomers, and thus polymers of very high molecular weight can be formed. Also disclosed are the formation of a variety of solid three dimensional objects, such as for example, solution extrusion of the polymer solutions formed from the vinyl addition polymerization of a variety of cyclic-olefinic monomers utilizing very low levels of palladium compounds of formulae (I) or (II) as described herein. The polymer films formed from the polymerization composition exhibit hitherto unattainable properties, for example superior transparent properties, higher thermal and mechanical properties, among other improved properties.
    Type: Application
    Filed: April 5, 2023
    Publication date: October 5, 2023
    Applicants: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: SHUN HAYAKAWA, HUGH BURGOON, J. ALEX NIEMIEC, DOUG SKILSKYJ, LARRY F RHODES
  • Publication number: 20230295452
    Abstract: Embodiments in accordance with the present invention encompass a composition containing a latent catalyst and a compound capable of generating a Bronsted acid with a counterion capable of coordinating and activating the latent catalyst along with one or more monomers which undergo ring open metathesis polymerization (ROMP) and one or more multi-functional crosslinkable molecules when said composition is exposed to a suitable radiation forms a three-dimensional (3D) object. The catalyst system employed therein can be sensitive to oxygen and thus inhibits polymerization in ambient atmospheric conditions. The three-dimensional objects made by this process exhibits improved mechanical properties, particularly, high distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 21, 2023
    Applicant: PROMERUS, LLC
    Inventors: OLEKSANDR BURTOVYY, WEI ZHANG, LEAH LANGSDORF, LARRY F. RHODES
  • Patent number: 11732086
    Abstract: Embodiments in accordance with the present invention encompass a two component composition containing in one component a latent organo-ruthenium carbide catalyst, and in another component a photoactive acid generator or a thermally active acid generator, and either of the components containing a mixture of photoactive compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said components are mixed together and exposed to a suitable radiation (or heat) to form a three-dimensional (3D) object. The three-dimensional objects so formed exhibits improved mechanical properties, particularly, high heat distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: August 22, 2023
    Assignee: PROMERUS, LLC
    Inventors: Larry F Rhodes, Oleksandr Burtovyy
  • Patent number: 11697744
    Abstract: Embodiments in accordance with the present invention encompass a composition containing a latent catalyst and a compound capable of generating a Bronsted acid with a counterion capable of coordinating and activating the latent catalyst along with one or more monomers which undergo ring open metathesis polymerization (ROMP) and one or more multi-functional crosslinkable molecules when said composition is exposed to a suitable radiation forms a three-dimensional (3D) object. The catalyst system employed therein can be sensitive to oxygen and thus inhibits polymerization in ambient atmospheric conditions. The three-dimensional objects made by this process exhibits improved mechanical properties, particularly, high distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: July 11, 2023
    Assignee: PROMERUS, LLC
    Inventors: Oleksandr Burtovyy, Wei Zhang, Leah Langsdorf, Larry F Rhodes
  • Patent number: 11667731
    Abstract: Embodiments in accordance with the present invention encompass compositions comprising a long shelf stabilized organopalladium compound of formula (I) as described herein. The composition further contains a photoacid generator, a photosensitizer and one or more olefinic monomers as described herein. The shelf life of the compositions can further be extended by employing a stabilizer, such as for example, a hindered amine. The composition undergoes vinyl addition polymerization when it is exposed to a suitable actinic radiation to form a substantially transparent film or a three dimensional object. More specifically, the compositions of this invention are stable at room temperature for several days to several months and can also be stored at higher temperatures from about 40° C. to 60° C. for several days and undergo mass polymerization only when subjected to suitable actinic radiation.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: June 6, 2023
    Assignee: PROMERUS, LLC
    Inventors: Shun Hayakawa, Guodong Deng, Larry F Rhodes
  • Publication number: 20230146062
    Abstract: Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fragrance ingredient in a number of personal care products including lotions and shampoo. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formulae (IA) or (IB): Wherein m, R1, R2 and R3 are as defined herein. The compounds of formulae (IA) or (IB) are useful as perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including shampoo, lotions, skin care products, hair products, sanitary products, among various other personal care products.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 11, 2023
    Applicant: PROMERUS, LLC
    Inventor: LARRY F RHODES
  • Patent number: 11584899
    Abstract: Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fragrance ingredient in a number of personal care products including lotions and shampoo. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formulae (IA) or (IB): Wherein m, R1, R2 and R3 are as defined herein. The compounds of formulae (IA) or (IB) are useful as perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including shampoo, lotions, skin care products, hair products, sanitary products, among various other personal care products.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: February 21, 2023
    Assignee: PROMERUS, LLC
    Inventor: Larry F Rhodes
  • Publication number: 20230038665
    Abstract: Embodiments in accordance with the present invention encompass compositions comprising a long shelf stabilized organopalladium compound of formula (I) as described herein. The composition further contains a photoacid generator, a photosensitizer and one or more olefinic monomers as described herein. The shelf life of the compositions can further be extended by employing a stabilizer, such as for example, a hindered amine. The composition undergoes vinyl addition polymerization when it is exposed to a suitable actinic radiation to form a substantially transparent film or a three dimensional object. More specifically, the compositions of this invention are stable at room temperature for several days to several months and can also be stored at higher temperatures from about 40° C. to 60° C. for several days and undergo mass polymerization only when subjected to suitable actinic radiation.
    Type: Application
    Filed: June 30, 2022
    Publication date: February 9, 2023
    Applicants: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: SHUN HAYAKAWA, GUODONG DENG, LARRY F. RHODES
  • Patent number: 11572528
    Abstract: Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fragrance ingredients. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formula (I): Wherein R1, R2, R3 and R4 are as defined herein. The compounds of formula (I) are useful as perfumes, colognes, and in perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including perfumes, colognes, soaps, detergents, candles, air fresheners, trash bags, tissues, deodorants, lotions, skin care products, hair products, sanitary products, cleaning products, and the like.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: February 7, 2023
    Assignee: PROMERUS, LLC
    Inventor: Larry F Rhodes
  • Patent number: 11566100
    Abstract: Embodiments in accordance with the present invention encompass compositions encompassing a latent catalyst and a thermal or photoactivator along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said composition is heated to a temperature from 50° C. to 100° C. or higher to form a substantially transparent film. Alternatively the compositions of this invention also undergo polymerization when subjected to suitable radiation. The monomers employed therein have a range of refractive index from 1.4 to 1.6 and thus these compositions can be tailored to form transparent films of varied refractive indices. The compositions of this invention further comprises inorganic nanoparticles which form transparent films and further increases the refractive indices of the compositions. Accordingly, compositions of this invention are useful in various opto-electronic applications, including as coatings, encapsulants, fillers, leveling agents, among others.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: January 31, 2023
    Assignee: PROMERUS, LLC
    Inventors: Larry F Rhodes, Oleksandr Burtovyy, Wei Zhang
  • Patent number: 11554365
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula (I) or formula (II): Wherein X, L, R1, R2, R3, R4, R5, Ar1 and Ar2 are as defined herein. Also disclosed herein are the use of organoruthenium compound of formula (I) or formula (II) as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: January 17, 2023
    Assignees: APEIRON SYNTHESIS S.A.
    Inventors: Rafał Gawin, Oleksandr Burtovyy, Larry F Rhodes
  • Patent number: 11549080
    Abstract: Embodiments in accordance with the present invention relate generally to a variety of norbornene derivatives exhibiting olfactive properties and are suitable as fine fragrance ingredients. More specifically, this invention relates to various fragrance compositions containing one or more of a compound of formulae (IA) to (IC): Wherein m, n, R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds of formulae (IA) to (IC) are useful as perfumes, colognes, and in perfume augmenting, modifying, enhancing, and imparting compositions. The compositions of this invention are therefore useful in a variety of products including perfumes, colognes, soaps, detergents, candles, air fresheners, trash bags, tissues, deodorants, lotions, skin care products, hair products, sanitary products, cleaning products, and the like.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: January 10, 2023
    Assignee: PROMERUS, LLC
    Inventor: Larry F Rhodes
  • Patent number: 11535709
    Abstract: Embodiments in accordance with the present invention encompass polyamic acid or polyimide polymers containing a reactive maleimide end group as well as photosensitive compositions made therefrom which are useful for forming films that can be patterned to create structures for microelectronic devices, microelectronic packaging, microelectromechanical systems, optoelectronic devices and displays. In some embodiments the compositions of this invention are shown to feature excellent hitherto unachievable mechanical properties. The negative images formed therefrom exhibit improved thermo-mechanical properties, among other property enhancements.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: December 27, 2022
    Assignee: PROMERUS, LLC
    Inventors: Pramod Kandanarachchi, Cheryl Burns, Brian Knapp, Larry F Rhodes
  • Publication number: 20220176362
    Abstract: Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula (I) or formula (II): Wherein X, L, R1, R2, R3, R4, R5, Ar1 and Ar2 are as defined herein. Also disclosed herein are the use of organoruthenium compound of formula (I) or formula (II) as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Applicants: APEIRON SYNTHESIS S. A., PROMERUS, LLC
    Inventors: RAFAL GAWIN, OLEKSANDR BURTOVYY, LARRY F. RHODES
  • Publication number: 20220177640
    Abstract: Embodiments in accordance with the present invention encompass a two component composition containing in one component a latent organo-ruthenium carbide catalyst, and in another component a photoactive acid generator or a thermally active acid generator, and either of the components containing a mixture of photoactive compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said components are mixed together and exposed to a suitable radiation (or heat) to form a three-dimensional (3D) object. The three-dimensional objects so formed exhibits improved mechanical properties, particularly, high heat distortion temperature, impact strength, elongation to break, among others. Accordingly, compositions of this invention are useful as 3D inkjet materials for forming high impact strength objects of various sizes with microscale features lower than 100 microns, among various other uses.
    Type: Application
    Filed: February 22, 2022
    Publication date: June 9, 2022
    Applicant: PROMERUS, LLC
    Inventors: LARRY F. RHODES, OLEKSANDR BURTOVYY