Patents Represented by Attorney M. Carmen & Associates
  • Patent number: 7579021
    Abstract: Matrix controlled diffusion drug delivery systems based on one or more silicon-containing monomers of the general formula: wherein L, X?, n, R1, R2, R3, R4, R5, R6, R7 and V are as set forth herein.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: August 25, 2009
    Assignee: Bausch & Lomb Incorporated
    Inventors: Jay F. Kunzler, Derek Schorzman, Daniel M. Ammon, Jr.
  • Patent number: 7557231
    Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain carboxylic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymeric compositions comprise polymerized carboxylic hydrophilic siloxanyl monomers.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: July 7, 2009
    Assignee: Bausch & Lomb Incorporated
    Inventors: Derek Schorzman, Jay Kunzler, Joseph C. Salamone
  • Patent number: 7528208
    Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic random copolymers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise siloxane prepolymer containing pendant and end-capping cationic and polymerizable groups.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: May 5, 2009
    Assignee: Bausch & Lomb Incorporated
    Inventors: Derek A. Schorzman, Joseph C. Salamone, Jay F. Kunzler
  • Patent number: 7468280
    Abstract: A high throughput preparation of a plurality of different lubricating oil compositions for combinatorial libraries and subsequent high throughput screening for lubricant performance is provided. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil compositions are generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.
    Type: Grant
    Filed: February 26, 2008
    Date of Patent: December 23, 2008
    Assignee: Chevron Oronite Company LLC
    Inventors: Robert H. Wollenberg, Thomas J. Balk
  • Patent number: 7465696
    Abstract: A lubricating base oil composition is provided comprising (a) at least one Fischer-Tropsch derived lubricating base oil characterized as having a kinematic viscosity of about 2 to about 5 centistoke (cSt) at 100° C.; and (b) at least one polyol ester. Methods for improving the fuel economy of an internal combustion engine are also provided.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: December 16, 2008
    Assignee: Chevron Oronite Company, LLC
    Inventors: Stephen H. Roby, Susanne G. Ruelas
  • Patent number: 7462490
    Abstract: A combinatorial lubricating oil composition library is provided including at least a plurality of different lubricating oil compositions comprising (a) a major amount of a base oil of lubricating viscosity and (b) at least one lubricating oil additive. Methods for preparing same are also provided.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: December 9, 2008
    Assignee: Chevron Oronite Company LLC
    Inventors: Robert H. Wollenberg, Thomas J. Balk
  • Patent number: 7459553
    Abstract: A process for preparing 5H-dibenz[b,f]azepine-5-carboxamide of the general formula: wherein R1, R2, R3 and R4 are the same or different and can be hydrogen, halogen, nitro, cyano, carboxyl, R, —CO(R), —OCO(R), —O(R), —N(R)2, —CON(R)2, and —COO(R), wherein R is selected from the group consisting of C1-C10 alkyl, C3-C10 cycloalkyl, C2-C10 alkenyl, C5-C10 cycloalkenyl, C2-C10 alkynyl, and C6-C20 aryl, wherein the two A groups of —N(A)2 and —CON(A)2 can be the same or different, and wherein R2 and R3 can together form a bond is provided; the process comprising reacting 5H-dibenz[b,f]azepine of the general formula wherein R1, R2, R3 and R4 have the aforementioned meanings, with one or more alkali or alkaline-earth cyanates and in the presence of one or more unsaturated dicarboxylic acids.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: December 2, 2008
    Assignee: Glenmark Generics Ltd.
    Inventors: Bobba Venkata Sivakumar, Shekhar Bhaskar Bhirud, Chandrasekhar Batchu, Sanjay Anantha Kale
  • Patent number: 7414143
    Abstract: An improved process for the preparation of key intermediates for tazarotene, 4,4-dimethyl-6-ethynylthiochroman, is provided comprising (a) reacting 4,4-dimethyl-6-acetylthiochroman of the formula with an acid chloride and an amido-group containing compound of the general formula wherein R is hydrogen or a hydrocarbyl of from 1 to 15 carbon atoms and R1 and R2 can be the same or different and are hydrocarbyls of from 1 to 15 carbon atoms or R1 and R2 together with the nitrogen atom to which they are bonded are joined together to form a heterocyclic group, optionally containing one or more additional heterocyclic atoms, or one of R1 and R2 together with the nitrogen atom to which it bonded are joined together with the carbonyl radical to form a heterocyclic group, optionally containing one or more additional heterocyclic atoms to form a ?-chloro vinyl carbonyl compound intermediate of the general formula wherein R has the aforestated meanings; and (b) reacting the ?-chloro vinyl carbonyl compound
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: August 19, 2008
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Bobba Venkata Siva Kumar, Vishvas Dattatraya Patil, Changdev Namdev Raut, Shekhar Bhaskar Bhirud, Batchu Chandrasekhar
  • Patent number: 7380441
    Abstract: Method for determining dispersancy performance for a plurality of fluid samples of different compositions is provided. Each sample includes one or more base oils of lubricating viscosity and one or more lubricating oil additives and a predetermined amount of an oil-insoluble material. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil compositions are generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: June 3, 2008
    Assignee: Chevron Oronite Company, LLC
    Inventor: Robert H. Wollenberg
  • Patent number: 7312329
    Abstract: An improved process for the preparation of pyrimidine derivatives is provided comprising reacting a Wittig reagent of the general formula wherein R is an alkyl of from 1 to 10 carbon atoms, aryl or arylalkyl, R1 is a substituted or unsubstituted hydrocarbon group, R2 and R3 are the same or different and are hydrogen or a substituted or unsubstituted hydrocarbon group; Z is sulfur, oxygen, sulfonyl, or imino which may be substituted by formyl, acetyl, propionyl, butyryl, isobutyryl, valeryl, isovaleryl, amino substituted by sulfonyl or alkylsulfonyl, and sulfonyl substituted by alkyl, amino or alkylamino and X is a halogen; with an aldehyde of the general formula wherein R4 is hydrogen, a lower alkyl or a cation capable of forming a non-toxic pharmaceutically acceptable salt and each R5 are the same or different and are hydrogen or a hydrolyzable protecting group, or each R5, together with the oxygen atom to which each is bonded, form a hydrolyzable cyclic protecting group, or each R5 is bonded to the
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: December 25, 2007
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Narendra Joshi, Shekhar Bhaskar Bhirud, Batchu Chandrasekhar, K. Eswara Rao, Subhash Damle
  • Patent number: 7306948
    Abstract: Method for determining deposit formation tendencies for a plurality of fluid samples of different compositions is provided. Each sample includes one or more lubricating oil compositions containing at least one or more base oils of lubricating viscosity and one or more lubricating oil additives. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil compositions are generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: December 11, 2007
    Assignee: Chevron Oronite Company LLC
    Inventor: Robert H. Wollenberg
  • Patent number: 7291745
    Abstract: A process for preparing perindopril is provided comprising condensing an N-[(S)-1-carbethoxybutyl]-(S)-alanyl halide of formula II: wherein X is a halide with an (2S,3aS,7aS)-2-carboxyperhydroindole of formula III: wherein R is hydrogen or a protecting group.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: November 6, 2007
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Narendra Shriram Joshi, Shekhar Bhaskar Bhirud, Kodali Eswara Rao, Buddhavarapu Pattabhi Ramam, Vijay Soni
  • Patent number: 7256242
    Abstract: Esterified polyalkene/UAR copolymer reaction products useful as (1) a friction modifier for lubricating oils such as automatic transmission fluids to improve torque capacity and anti-shudder durability and for continuous variable transmissions (CVTs), (2) a friction modifier for fuels or (3) a cold flow improver for diesel fuels are provided. The esterified copolymer reaction product may be used as is or can be further derivatized (e.g., by post treatment of the esterified copolymer reaction product with, for example, ethylene carbonate or boric acid).
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: August 14, 2007
    Assignee: Chevron Oronite Company, LLC
    Inventor: Kenneth D. Nelson
  • Patent number: 7150182
    Abstract: A method for determining storage stability for a plurality of fluid lubricant samples of different lubricating oil compositions is provided. Each sample includes a combination of one or more base oils and one or more lubricating oil additives. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil additives or lubricating oil compositions containing such additives is generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: December 19, 2006
    Assignee: Chevron Oronite Company, LLC
    Inventors: Robert H. Wollenberg, Thomas J. Balk
  • Patent number: 7137289
    Abstract: Method for determining dispersancy performance for a plurality of fluid samples of different compositions is provided. Each sample includes one or more base oils of lubricating viscosity and one or more lubricating oil additives and a predetermined amount of an oil-insoluble material. The methods can advantageously be optimized using combinatorial chemistry, in which a database of combinations of lubricating oil compositions are generated. As market conditions vary and/or product requirements or customer specifications change, conditions suitable for forming desired products can be identified with little or no downtime.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: November 21, 2006
    Assignee: Chevron Oronite Company, LLC
    Inventor: Robert H. Wollenberg
  • Patent number: 7069203
    Abstract: A method and system of transforming a product development process to reduce time in bringing a product to market through high throughput experimentation and advanced statistics and informatics, to transform the product development to a level of higher correlation with engine tests, and to develop better commercial products.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: June 27, 2006
    Assignee: Chevron Oronite Company LLC
    Inventors: Robert H. Wollenberg, Thomas J. Balk