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: 7612146
    Abstract: The present invention relates to polycyclic polymers, methods for producing polycyclic polymers, and methods for their use as photoresists in the manufacture of integrated circuits. In one embodiment, the present invention relates to photoresist compositions formed from the polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer. In another embodiment, the present invention relates to photoresist compositions formed from the co-polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer with at least one non-halogenated polycyclic monomer.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: November 3, 2009
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Larry F. Rhodes, Richard Vicari, Leah J. Langsdorf, Andrew A. Sobek, Edwin P. Boyd, Brian Bennett
  • Publication number: 20090270247
    Abstract: Embodiments in accordance with the present invention encompass methods of forming in situ olefin polymerization catalyst systems, catalysts encompassed by such systems and polymers made using such systems. For such in situ olefin polymerization catalyst systems, a hydrocarbyl magnesium halide is generally contacted with a halohydrocarbyl compound to form a halohydrocarbyl Grignard and such Grignard is generally contacted with a Group 10 metal compound to form an olefin polymerization catalyst which is contacted with one or more olefin monomers to form a polymer therefrom.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 29, 2009
    Applicant: PROMERUS LLC
    Inventors: Larry F. Rhodes, Luis Francisco Martin, Andrew Bell
  • Patent number: 7608382
    Abstract: A photoresist composition encompassing a polymer having at least one polycyclic olefin repeat unit having a desired exo mole percent is provided, where the repeat unit is derived from a polycyclic olefin monomer having the desired exo mole percent. Such polymers having such repeat units having a desired exo mole percent offer control of differential dissolution rate and hence provide enhanced imaging properties. Exemplary monomers having a desired exo mole percent are also provided.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 27, 2009
    Assignees: Promerus LLC, International Business Machines Corporation
    Inventors: Larry F. Rhodes, Chun Chang, Leah J. Langsdorf, Howard A. Sidaway, Hiroshi Ito
  • Publication number: 20080242750
    Abstract: A polymer comprising polycyclic repeating units having recurring ion conducting groups and optional crosslinkable groups is disclosed. The present invention provides the capability of tailoring polymers to impart unique properties to membranes fabricated from the polymers. Membranes comprising the polymers and methods for preparing the membranes and their use in ion conducting membranes, particularly in fuel cells, are also provided.
    Type: Application
    Filed: November 9, 2007
    Publication date: October 2, 2008
    Inventors: R. Ravikiran, Xiaoming Wu, Larry F. Rhodes, Robert A. Shick, Hiroko Nakano, Hirotaka Nonaka, Huabin Wang, Robert John Duff, Saikumar Jayaraman, John-Henry Lipian
  • Publication number: 20080242810
    Abstract: A method of controlling the molecular weight of poly(cyclic) olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catalyst, solvent and an optional cocatalyst and polymerizing the mixture to form a polymer. It is shown that the amount of chain transfer/activating agent in the mixture can serve to control the molecular weight of the resulting polymer, its percent conversion or both, and in some embodiments the optical density of the resulting polymer.
    Type: Application
    Filed: March 27, 2008
    Publication date: October 2, 2008
    Applicant: Promerus LLC
    Inventors: Larry F. Rhodes, Steven Smith, Pramod Kandanarachchi, Chun Chang, Patrick Bradley
  • Patent number: 7422836
    Abstract: Oligomers of polycyclic olefin monomers, and optionally allylic or olefinic monomers, and a method of making such oligomers that includes reacting polycyclic olefin monomers in the presence of a Ni or Pd containing catalyst, or in the case of allylic monomers in the presence of a free radical initiator. The oligomers can be included in photoresist compositions as dissolution rate modifiers. The photoresist compositions can further include a polymeric binder resin, a photoacid generator, and solvents.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: September 9, 2008
    Assignee: Promerus LLC
    Inventors: Larry F. Rhodes, Lawrence Seger, Brian L. Goodall, Lester H. McIntosh, III, Robert J. Duff
  • Publication number: 20080194740
    Abstract: A polymer includes a first type of repeat unit represented by Formula I: where X is selected from —CH2—, —CH2—CH2—, or —O—; m is an integer from 0 to about 5; and where for the first type of repeat unit one of R1, R2, R3, and R4 is one of a maleimide containing group and for the second type of repeat unit one of R1, R2, R3, and R4 is a hindered aromatic group, a C8 or greater alkyl group, a C4 or greater halohydrocarbyl or perhalocarbyl group, a C7 or greater aralkyl group, or a heteroatom hydrocarbyl or halohydrocarbyl group.
    Type: Application
    Filed: December 3, 2007
    Publication date: August 14, 2008
    Inventors: Edmund Elce, Andrew Bell, Brian Knapp, Hendra Ng, Larry F. Rhodes, Robert Shick, Wei Zhang, William DiMenna, Saikumar Jayaraman, Jianyong Jin, Rajesh Raja Puthenkovilakom, Ramakrishna Ravikiran, Xiaoming Wu, Etsu Takeuchi
  • Publication number: 20080124651
    Abstract: A photoresist composition encompassing a polymer having at least one polycyclic olefin repeat unit having a desired exo mole percent is provided, where the repeat unit is derived from a polycyclic olefin monomer having the desired exo mole percent. Such polymers having such repeat units having a desired exo mole percent offer control of differential dissolution rate and hence provide enhanced imaging properties.
    Type: Application
    Filed: October 31, 2007
    Publication date: May 29, 2008
    Applicants: International Business Machines Corporation, Promerus LLC
    Inventors: Larry F. Rhodes, Chun Chang, Leah J. Langsdorf, Howard A. Sidaway, Hiroshi Ito
  • Patent number: 7378456
    Abstract: The present invention relates to a directly photoimageable polymer composition (DPPC) and methods for its use in forming microelectronic and optoelectronic devices. Such DPPC encompasses a polymer having at least one norbornene-type repeat unit having a pendant silyl containing radical and at least one norbornene-type repeat unit having an acrylate containing radical.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: May 27, 2008
    Assignee: Promerus LLC
    Inventors: Edmund Elce, Ramakrishna Ravikiran, Larry F. Rhodes, Robert Shick, Saikumar Jayaraman
  • Patent number: 7341818
    Abstract: The disclosed invention relates to novel norborne-type monomers containing pendent lactone or sultone groups. The invention also relates to norborne-type polymers and copolymers containing pendent lactone or sultone groups. These polymers and copolymers are useful in making photoimagable materials. The photoimagable materials are particularly suitable for use in photoresist compositions useful in 193 and 157 nm photolithography.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: March 11, 2008
    Assignee: Promerus LLC
    Inventors: Xiaoming Wu, Larry F. Rhodes, Lawrence Seger
  • Patent number: 7341816
    Abstract: A photoresist composition encompassing a polymer having at least one polycyclic olefin repeat unit having a desired exo mole percent is provided, where the repeat unit is derived from a polycyclic olefin monomer having the desired exo mole percent. Such polymers having such repeat units having a desired exo mole percent offer control of differential dissolution rate and hence provide enhanced imaging properties. Exemplary monomers having a desired exo mole percent are also provided.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: March 11, 2008
    Assignees: Promerus, LLC, International Business Machines Corporation
    Inventors: Larry F. Rhodes, Chun Chang, Leah J. Langsdorf, Howard A. Sidaway, Hiroshi Ito
  • Patent number: 7312292
    Abstract: A polymer comprising polycyclic repeating units having recurring ion conducting groups and optional crosslinkable groups is disclosed. The present invention provides the capability of tailoring polymers to impart unique properties to membranes fabricated from the polymers. Membranes comprising the polymers and methods for preparing the membranes and their use in ion conducting membranes, particularly in fuel cells, are also provided.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: December 25, 2007
    Assignee: Promerus LLC
    Inventors: Ravi Ravikiran, Xiaoming Wu, Larry F. Rhodes, Robert A. Shick, Hiroko Nakano, Hirotaka Nonaka, Huabin Wang, Saikumar Jayaraman, Robert John Duff, John-Henry Lipian
  • Patent number: 7101654
    Abstract: The disclosed invention relates to novel norbornene-type monomers containing pendent lactone or sultone groups. The invention also relates to norbornene-type polymers and copolymers comprising one or more repeating units represented by the formula: and containing pendent lactone or sultone groups. These polymers and copolymers are useful in making photoimagable materials. The photoimagable materials are particularly suitable for use in photoresist compositions useful in 193 and 157 nm photolithography.
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: September 5, 2006
    Assignee: Promerus LLC
    Inventors: Xiaoming Wu, Larry F. Rhodes, Lawrence Seger
  • Patent number: 7087691
    Abstract: Embodiments in accordance with the present invention encompass photo-imageable compositions that include polymers of acrylate-type monomers and norbornene-type monomers. In some embodiments a catalyst system comprising a cationic or a neutral Pd(II) dimer component having the formula (Allyl)Pd(P(R21)3) or (L?)[(L)Pd(R)(X)]2, respectively is employed to effect polymerization. In other embodiments a free radical or living free radical catalyst is employed to effect polymerization. At least one of the acrylate-type monomers and norbornene-type monomers of the polymer embodiments of the present invention encompass an acid labile moiety. Some polymer embodiments of the present invention include more than one type of acrylate-type monomer and norbornene-type monomer. Embodiments of the present invention include forming a patterned layer on a substrate and some embodiments include transferring the patterned structure to a material layer first formed on the substrate.
    Type: Grant
    Filed: July 7, 2003
    Date of Patent: August 8, 2006
    Assignees: Promerus LLC, Penn State Research Foundation
    Inventors: Larry F. Rhodes, Larry Seger, Ayusman Sen, April Hennis Marchetti
  • Patent number: 7022790
    Abstract: A copolymer composition including a copolymer having repeat units of structural formula I: where X is selected from —CH2—, —CH2—CH2— and O; m is an integer from 0 to 5; and each occurrence of R1–R4 are independently selected from H; C1 to C25 linear, branched, and cyclic alkyl, aryl, aralkyl, alkaryl, alkenyl and alkynyl that can include one or more hetero atoms selected from O, N, and Si; a group that contains an epoxy functionality; —(CH2)nC(O)OR5; —(CH2)nC(O)OR6; —(CH2)nOR6; —(CH2)nOC(O)R6; —(CH2)nC(O)R6; —(CH2)nOC(O)OR6; and any combination of two of R1, R2, R3, and R4 linked together by a linking group. A portion of the repeat units having structural formula I contain at least one epoxy functional pendant group. The copolymer composition can be included with a material that photonically forms a catalyst in a photodefinable dielectric composition, which can be used to form a photodefinable layer on a substrate.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: April 4, 2006
    Assignee: Sumitomo Bakelite Company, Ltd.
    Inventors: Edmund Elce, Takashi Hirano, Jeffrey C. Krotine, Jr., Larry F. Rhodes, Brian L. Goodall, SaiKumar Jayaraman, W. Chris McDougall, Shenliang Sun
  • Patent number: 6949609
    Abstract: The present invention relates to polycyclic polymers, methods for producing polycyclic polymers, and methods for their use as photoresists in the manufacture of integrated circuits. In one embodiment, the present invention relates to photoresist compositions formed from the polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer. In another embodiment, the present invention relates to photoresist compositions formed from the co-polymerization of at least one halogenated polycyclic monomer or hydrohalogenated polycyclic monomer with at least one non-halogenated polycyclic monomer. Additionally, the present invention relates to methods by which to post-treat such photoresist compositions in order to obtain one or more of: (1) a reduction in optical density of the polymer composition; and (2) a reduction in the amount of residual metal and/or monomer in the polymer composition.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: September 27, 2005
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Larry F. Rhodes, Richard Vicari, Leah J. Langsdorf, Andrew A. Sobek, Edwin P. Boyd, Brian Bennett
  • Patent number: 6936672
    Abstract: A catalyst system and a process for the bulk addition polymerization or of polycyclic olefins, such as norbornene, methylnorbornene, ethylnorbornene, butylnorbornene or hexylnorbornene, 1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonapthalene, 5,5?-(1,2-ethanediyl)bisbicyclo[2.2.1]hept-2-ene, and 1,4,4a,4b,5,8,8a,8b-octahydro-1,4:5,8-dimethanobiphenylene are disclosed. The catalyst includes an organonickel or organopalladium transition metal procatalyst and an activator compound. Polymerization can be carried out in a reaction injection molding process to yield thermoplastic and thermoset molded polymeric articles possessing high glass transition temperatures.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: August 30, 2005
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Andrew Bell, Larry F. Rhodes, Brian L. Goodall, John C. Fondran, Lester H. Mclntosh, III, Dennis A. Barnes
  • Publication number: 20040229157
    Abstract: A method of polymerizing poly(cyclic)olefin monomers encompassing (a) combining a monomer composition containing the poly(cyclic)olefin monomers, a non-olefinic chain transfer agent and an activator compound to form a mixture; (b) heating the mixture; and (c) adding a polymerization catalyst containing Ni and/or Pd. The non-olefinic chain transfer agent includes one or more compounds selected from H2, alkylsilanes, alkylalkoxysilanes, alkylgermanes, alkylalkoxygermanes, alkylstannanes, and alkylalkoxystannanes. The activator is characterized as having an active hydrogen with a pKa of at least 5. The resulting poly(cyclic)olefin polymers can be used in photoresist compositions.
    Type: Application
    Filed: February 19, 2004
    Publication date: November 18, 2004
    Applicant: Promerus LLC
    Inventors: Larry F. Rhodes, Dennis A. Barnes, Andrew Bell, Brian K. Bennet, Chun Chang, John-Henry Lipian, Xiaoming Wu
  • Publication number: 20040219452
    Abstract: Oligomers of polycyclic olefin monomers, and optionally allylic or olefinic monomers, and a method of making such oligomers that includes reacting polycyclic olefin monomers in the presence of a Ni or Pd containing catalyst, or in the case of allylic monomers in the presence of a free radical initiator. The oligomers can be included in photoresist compositions as dissolution rate modifiers. The photoresist compositions can further include a polymeric binder resin, a photoacid generator, and solvents.
    Type: Application
    Filed: February 20, 2004
    Publication date: November 4, 2004
    Applicant: Promerus LLC
    Inventors: Larry F. Rhodes, Lawrence Seger, Brian L. Goodall, Lester H. McIntosh, Robert J. Duff
  • Patent number: 6790579
    Abstract: The present invention relates to a radiation sensitive photoresist composition comprising a photoacid initiator and a polycyclic polymer comprising repeating units that contain pendant acid labile groups. Upon exposure to an imaging radiation source the photoacid initiator generates an acid which cleaves the pendant acid labile groups effecting a polarity change in the polymer. The polymer is rendered soluble in an aqueous base in the areas exposed to the imaging source.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: September 14, 2004
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Brian L. Goodall, Saikumar Jayaraman, Robert A. Shick, Larry F. Rhodes