Patents by Inventor Shrirang Bhikaji Hindalekar

Shrirang Bhikaji Hindalekar 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: 11161813
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 2, 2021
    Assignee: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoening, Shrirang Bhikaji Hindalekar
  • Publication number: 20200123107
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Applicant: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoening, Shrirang Bhikaji Hindalekar
  • Publication number: 20180319746
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 8, 2018
    Applicant: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoning, Shrirang Bhikaji Hindalekar
  • Patent number: 10040762
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: August 7, 2018
    Assignee: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoning, Shrirang Bhikaji Hindalekar
  • Patent number: 9139600
    Abstract: Described are acetylene bridged linkers, metal-organic frameworks produced thereof, processes for producing the linkers and the metal-organic frameworks, and the use of the metal-organic frameworks. The metal-organic frameworks possess an enhanced ability to adsorb and desorb high amounts of gases, in particular methane or hydrogen. The metal-organic frameworks have a high porosity and, thus, a high inner surface.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 22, 2015
    Assignee: BASF SE
    Inventors: Stefan Maurer, Ulrich Müller, Vijay Narayanan Swaminathan, Shrirang Bhikaji Hindalekar, Amal Pandya
  • Publication number: 20150210828
    Abstract: A compound of the formula (A) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, and X is C2-C8alkylene or C2-C8alkylene interrupted by sulfur, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
    Type: Application
    Filed: April 3, 2015
    Publication date: July 30, 2015
    Applicant: BASF SE
    Inventors: Hans-Rudolf MEIER, Kai-Uwe SCHOENING, Shrirang Bhikaji HINDALEKAR
  • Patent number: 9045430
    Abstract: A compound of the formula (A) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, and X is C2-C8alkylene or C2-C8alkylene interrupted by sulfur, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: June 2, 2015
    Assignee: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoening, Shrirang Bhikaji Hindalekar
  • Patent number: 8703644
    Abstract: Aspects of the present invention relate to shaped bodies of compositions comprising a porous aromatic covalent framework polymer, wherein the polymer comprises at least one monomer unit, the at least one monomer unit comprising at least one aromatic ring and the at least one monomer unit having at least three binding sites to adjacent monomer units in the polymer and a core, wherein the at least three binding sites are located on at least one atom of the core and wherein the at least one atom is free of covalent bonds to hydrogen; and at least one binder additive. Other aspects of the invention relate to methods for the preparation of said shaped bodies and their uses.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: April 22, 2014
    Assignee: BASF SE
    Inventors: Manuela Gaab, Stefan Maurer, Wolf-Rüdiger Krahnert, Milan Kostur, Ulrich Müller, Ranjit Gokhale, Shrirang Bhikaji Hindalekar
  • Publication number: 20140081044
    Abstract: Described are acetylene bridged linkers, metal-organic frameworks produced thereof, processes for producing the linkers and the metal-organic frameworks, and the use of the metal-organic frameworks. The metal-organic frameworks possess an enhanced ability to adsorb and desorb high amounts of gases, in particular methane or hydrogen. The metal-organic frameworks have a high porosity and, thus, a high inner surface.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 20, 2014
    Applicant: BASF SE
    Inventors: Stefan Maurer, Ulrich Müller, Vijay Narayanan Swaminathan, Shrirang Bhikaji Hindalekar, Amal Pandya
  • Publication number: 20130059952
    Abstract: The invention relates to compounds of the group of so-called sterically hindered amines (HALS) which are substituted by phospho groups. The invention also relates to flame retardant compositions wherein these compounds are added to the polymer substrate.
    Type: Application
    Filed: January 13, 2011
    Publication date: March 7, 2013
    Applicant: BASF SE
    Inventors: Rudolf Pfaendner, Michael Roth, Kai-Uwe Schöning, Thomas Weiss, Shrirang Bhikaji Hindalekar
  • Publication number: 20130053484
    Abstract: An intermediate of the formula (I) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, is suitable for preparing a compound of the formula (A) wherein X is a group of the formula (A-I) or (A-II), Y is C11-C17alkyl, and Z is a direct bond, —(CH2)8— or —CH2—S—CH2—. The compounds of the formula (A) are useful for stabilizing an organic material against thermal, oxidative or light induced degradation.
    Type: Application
    Filed: March 2, 2011
    Publication date: February 28, 2013
    Applicant: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schoning, Shrirang Bhikaji Hindalekar
  • Publication number: 20130041076
    Abstract: A compound of the formula (A) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, and X is C2-C8alkylene or C2-C8alkylene interrupted by sulfur, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
    Type: Application
    Filed: March 2, 2011
    Publication date: February 14, 2013
    Applicant: BASF SE
    Inventors: Hans-Rudolf Meier, Kai-Uwe Schöning, Shrirang Bhikaji Hindalekar
  • Publication number: 20120270731
    Abstract: Aspects of the present invention relate to shaped bodies of compositions comprising a porous aromatic covalent framework polymer, wherein the polymer comprises at least one monomer unit, the at least one monomer unit comprising at least one aromatic ring and the at least one monomer unit having at least three binding sites to adjacent monomer units in the polymer and a core, wherein the at least three binding sites are located on at least one atom of the core and wherein the at least one atom is free of covalent bonds to hydrogen; and at least one binder additive. Other aspects of the invention relate to methods for the preparation of said shaped bodies and their uses.
    Type: Application
    Filed: April 20, 2012
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Manuela Gaab, Stefan Maurer, Wolf-Rüdiger Krahnert, Milan Kostur, Ulrich Müller, Ranjit Gokhale, Shrirang Bhikaji Hindalekar
  • Patent number: 8013047
    Abstract: The instant invention relates to oligo- and poly-carbonates terminated with silicon containing groups which are useful as reducers of surface energy for organic materials such as polycarbonates, polyesters or polyketones or their mixtures, blends or alloys. Polymers with such reduced surface energy possess self-cleaning, anti-soiling, anti-graffiti, oil resistance, solvent resistance, chemical resistance, self-lubricating, scratch resistance, low moisture absorption, dirt pickup resistance, slip properties and a hydrophobic surface; and display anti-adhesion properties against proteins and against microorganisms such as for example, bacteria, fungi and algae.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: September 6, 2011
    Assignee: BASF SE Ludwigshafen
    Inventors: Fabien Jean Brand, Archana Kishore Desai, Michèle Gerster, Shrirang Bhikaji Hindalekar, Suhas Dattatraya Sahasrabudhe, Paragkumar Nathalal Thanki, Michael Tinkl, Andrea Preuss, Jürgen Wiethan, Kishor Prabhakar Kumbhar
  • Patent number: 7790807
    Abstract: The instant invention relates to new compounds of the formula I R1 and R2 are each independently of the other a fluorine containing group, R3 and R4 are each independently of the other hydrogen, a fluorine containing group, C1-C12alkyl, phenyl or R4, together with the carbon atom to which they are bonded, form a C5-C8-cycloalkylidene ring that is unsubstituted or substituted by from 1 to 3 C1-C4alkyl groups; R5, R6, R7 and R8 are each independently of the other hydrogen, C1-C12alkyl or C3-C12alkenyl, X1 and X2 are each independently of the other a direct bond or C1-C12alkylene, m is 1 to 10,000, and n is 0 to 10,000. These new compounds of the formula I are useful as reducers of surface energy for organic materials such as polycarbonates, polyesters or polyketones or their mixtures, blends or alloys.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Martin Brunner, Archana Kishore Desai, Shrirang Bhikaji Hindalekar, Suhas Dattatraya Sahasrabudhe, Armin Schneider, Paragkumar Nathalal Thanki, Michael Tinkl, Alessandro Zedda, Michèle Gerster, Fabien Jean Brand
  • Publication number: 20100010135
    Abstract: The instant invention relates to new compounds of the formula I wherein the general symbols are as defined in claim 1 and R1 and R2 are each independently of the other a silicon containing group. These new compounds of the formula I are useful as reducers of surface energy for organic materials such as polycarbonates, polyesters or polyketones or their mixtures, blends or alloys. Polymers with such a reduced surface energy possess an “easy to clean”, “self-cleaning” “antisoiling”, “soil-release” “antigraffiti”, “oil resistance”, “solvent resistance”, “chemical resistance”, “self lubricating”, “scratch resistance”, “low moisture absorption”, “dirt pickup resistance”, “slip properties” and “hydrophobic surface”; and antiadhesion properties against proteins and against microorganism such as for example bacteria, fungi and algae.
    Type: Application
    Filed: June 7, 2006
    Publication date: January 14, 2010
    Inventors: Fabien Jean Brand, Archana Kishore Desai, Michèle Gerster, Shrirang Bhikaji Hindalekar, Suhas Dattatraya Sahasrabudhe, Paragkumar Nathalal Thanki, Michael Tinkl, Andrea Preuss, Jürgen Wiethan, Kishor Prabhakar Kumbhar