Patents by Inventor Ritu Ahuja

Ritu Ahuja 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).

  • Publication number: 20230397606
    Abstract: The present invention relates to a water-soluble concentrate composition comprising a phenoxy acid herbicide or the salts thereof and an in-built adjuvant composition. The water-soluble concentrate composition has favorable low temperature stability and wetting performance as well as favorable bioefficacy.
    Type: Application
    Filed: October 16, 2020
    Publication date: December 14, 2023
    Applicant: RHODIA OPERATIONS
    Inventors: Marc Balastre, Sandeep Thakur, Krishna Vasu, Ritu Ahuja
  • Publication number: 20220403293
    Abstract: The present invention relates to a novel polymer dispersion and the application in conditioning fabrics. The present invention is further a fabric conditioning composition comprising the same. The fabric conditioning composition provided in the present invention has favorable fabric conditioning performance.
    Type: Application
    Filed: September 23, 2020
    Publication date: December 22, 2022
    Applicant: RHODIA OPERATIONS
    Inventors: David James Wilson, Pierre-Emmanuel Dufils, Jean-Christophe Castaing, Konstantin Nikolaev Golemanov, Ritu Ahuja, Zahrah Mohamed Ikhbar, Shu Quan Chua, Siu Yu Chan, Boh Yi Lian
  • Publication number: 20220396749
    Abstract: A fabric softener composition comprising: a. 1 to 20 wt. % ionic compound of general formula I: (I) wherein b. 0.1 to 20 wt. % fatty co-softener; and c. Water.
    Type: Application
    Filed: September 28, 2020
    Publication date: December 15, 2022
    Applicant: Conopco, lnc., d/b/a UNILEVER
    Inventors: Ritu AHUJA, Olivier BACK, Christopher BOARDMAN, Jean-Christophe CASTAING, Konstantin Nikolaev GOLEMANOV, David Stephen GRAINGER, Sergio MASTROIANNI, Hugh RIELEY
  • Publication number: 20220290075
    Abstract: A fabric softener composition comprising: a. 1 to 20 wt. % ionic compound of general formula I: (I) b. 0.1 to 30 wt. % perfume; and c. Water.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 15, 2022
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Ritu AHUJA, Olivier BACK, Christopher BOARDMAN, Jean-Christophe CASTAING, Konstantin Nikolaev GOLEMANOV, David Stephen GRAINGER, Sergio MASTROIANNI, Hugh RIELEY
  • Publication number: 20220098514
    Abstract: The present invention relates to a composition comprising: (a) a quaternary ammonium compound; (b) a cationic polysaccharide; (c) a non-ionic polysaccharide; and (d) an amino silicone compound having a degree of polymerization of 300 to 10,000.
    Type: Application
    Filed: December 18, 2018
    Publication date: March 31, 2022
    Inventors: Galder CRISTOBAL, Da Wei JIN, Siu Yu CHAN, Konstantin Nikolaev GOLEMANOV, Ritu AHUJA, Yi Ling LOW
  • Publication number: 20220033578
    Abstract: The invention pertains to a fluoroelastomer composition including at least a nitrile-containing (per)fluoropolyether compound and at least one bis-amino(thio)phenol compound of formula (I), wherein: A is —SO2—, —O—, —C(O)— or divalent hydrocarbon groups of 1 to 10 carbon atoms, E is independently oxygen or sulphur and —NH2 groups are in ortho with respect to EH groups; to a process for manufacturing a (per)fluoropolyether-based thermoset and to a (per)fluoropolyether-based thermoset obtained therefrom.
    Type: Application
    Filed: September 27, 2019
    Publication date: February 3, 2022
    Inventors: Ritu AHUJA, Debaki GHOSH, Kamini SHARMA, Letanzio BRAGANTE, Stefano MILLEFANTI
  • Publication number: 20210087335
    Abstract: The present invention relates to modified fluorinated poly(arylene ether ketone)s that can be crosslinked to produce high performance thermosets useful for semiconductor application with low dielectric constant. The present invention also relates to a method for manufacturing said modified fluorinated poly (arylene ether ketone)s prepared via polycondensation of a fluorinated poly (arylene ether ketone) with a fluorostyrene.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 25, 2021
    Inventors: Ritu AHUJA, Valeriy KAPELYUSHKO, Ershad MISTRI, Stefano MILLEFANTI, Mattia BASSI
  • Publication number: 20210061952
    Abstract: The present invention provides modified polyaryl ether ketones (PAEK)s having fluorinated moieties incorporated therein. The present invention also relates to a method for covalently attaching fluorinated moieties onto the surface of PAEK, said method comprising reducing the ketone groups of the PAEK to hydroxyl groups to obtain a modified PAEK and then reacting the hydroxyl groups with a compound bearing a fluorinated moiety.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 4, 2021
    Inventors: Ritu AHUJA, Valeriy KAPELYUSHKO, Gajanan Manohar PAWAR, Stefano MILLEFANTI, Chinmay NARDELE
  • Publication number: 20200283574
    Abstract: The present invention relates to modified fluorinated poly(arylene ether ketone)s that can be crosslinked to produce high performance thermoset useful for semiconductor application with low dielectric constant. The present invention also relates to a method for manufacturing said modified fluorinated poly(arylene ether ketone)s prepared via chemical transformation of carbonyl groups to hydroxyl pendant groups and following thermal curing.
    Type: Application
    Filed: August 31, 2018
    Publication date: September 10, 2020
    Inventors: Ritu AHUJA, Valeriy KAPELYUSHKO, Gajanan Manohar PAWAR, Stefano MILLEFANTI, Mattia BASSI
  • Publication number: 20200165392
    Abstract: A fluorinated aromatic sulfone polymer [polymer (F-PS)] comprising: recurring units [units (A)] derived from at least one dihalo-diaryl sulfone [monomer (A)]; recurring units [units (B)] derived from at least one aromatic diol [monomer (B)]; at least one unit [units (PFPE)] derived from at least one fully or partially fluorinated polyether alcohol (PFPE alcohol), said polymer (F-PS) having a fluorine content ranging from 0.1% to 10% wt, is herein disclosed. Films and membranes obtained from (F-PS) are also disclosed, as well as their use in filtration methods.
    Type: Application
    Filed: April 19, 2018
    Publication date: May 28, 2020
    Inventors: Ritu AHUJA, Trupti NALAWADE, Emanuele DI NICOLO', Giovanni FONTANA, Ivan Diego WLASSICS, Giuseppe MARCHIONNI, Claudio Adolfo Pietro TONELLI
  • Patent number: 10377857
    Abstract: The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 13, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    Inventors: Claudio Adolfo Pietro Tonelli, Ivan Wlassics, Giuseppe Marchionni, Sanjay Gurbasappa Charati, Ritu Ahuja, Gourav Upadhyay
  • Publication number: 20190203026
    Abstract: The invention pertains to a thermoplastic vulcanizate fluorine-containing composition [vulcanizate (C)], comprising a continuous thermoplastic fluoropolymer phase and a dispersed vulcanized fluoroelastomer phase, said composition comprising:—at least one thermoplastic fluoropolymer [polymer (F)];—at least one (per)fluoroelastomer [elastomer (A)], and—at least one plasticizer selected from the group consisting of organic esters [plasticizer (P)].
    Type: Application
    Filed: August 30, 2017
    Publication date: July 4, 2019
    Inventors: Aldo SANGUINETI, Marco MIRENDA, Sibdas Singha MAHAPATRA, Satchit SRINIVASAN, Valeriy KAPELYUSHKO, Ritu AHUJA
  • Publication number: 20190194455
    Abstract: Thermoplastic polyamides [polyamides (PA)] comprising (per)fluoropolyether and polyorganosiloxane recurring units are herein disclosed. Thanks to the use of appropriate amounts and ratios of (per)fluoropolyether and polyorganosiloxane monomers in the polymerization, polyamides (PA) are endowed with high hydro- and oleo-repellence, favourable mechanical properties and resistance to stain, which makes them suitable for a variety applications, including the manufacture and/or surface treatment of medical articles, fuel line hoses, miniature circuit breakers, electrical switches, smart devices, devices for printers, and food packagings.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 27, 2019
    Inventors: Ritu AHUJA, Chinmay NARDELE, Claudio Adolfo Pietro TONELLI, Ivan Diego WLASSICS
  • Publication number: 20180319982
    Abstract: A method for providing a fluorinated polyamide is herein provided. The method envisages the copolymerization of a (per)fluoropolyether comprising amino or acid functional groups with a mixture of a hydrogenated dicarboxylic acid and a diamine and/or an aminoacid or lactam in the presence of a hydrogenated monocarboxylic acid and/or a hydrogenated monoamine. By appropriate selection of the functionality of the reaction mixture, fluorinated polyamides having an average molecular weight (Mw) lower than 16,000 and a content of PFPE segments ranging from 5% to 50% wt are obtained. These polyamides can be advantageously used as additives for other polyamides, in particular for non-fluorinated polyamides to provide blends that can be formed into shaped articles.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 8, 2018
    Inventors: Claudio Adolfo Pietro TONELLI, Ritu AHUJA, Giuseppe MARCHIONNI, Ivan Diego WLASSICS, Sibdas SINGHAMAHAPATRA
  • Publication number: 20160326318
    Abstract: The present invention relates to thermoplastic polyamides (PA) comprising recurring units derived from a PFPE dicarboxylic acid (PFPA-DA) or a PFPE diamine (PFPE-NN) in a defined weight amount with respect to other units derived from the other monomers used in the course of polymerization. Polyamides (PA) are endowed with improved surface properties, chemical resistance and reduced brittleness and do not require the addiction of impact modifiers.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 10, 2016
    Inventors: Claudio Adolfo Pietro TONELLI, Ivan WLASSICS, Giuseppe MARCHIONNI, Sanjay, Gurbasappa CHARATI, Ritu AHUJA, Gourav UPADHYAY
  • Patent number: 9302954
    Abstract: The invention provides methods and compositions useful for synthesizing alkylaromatics from an n-alkanes.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: April 5, 2016
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Alan Goldman, Ritu Ahuja, William Schinski
  • Publication number: 20130123552
    Abstract: The invention provides methods and compositions useful for synthesizing alkylaromatics from an n-alkanes.
    Type: Application
    Filed: October 22, 2012
    Publication date: May 16, 2013
    Inventors: Alan Goldman, Ritu Ahuja, William Schinski
  • Patent number: 7902417
    Abstract: A method of converting at least one first alkane to a mixture of at least one low molecular weight alkane (optionally also including additional lower and/or higher molecular weight alkanes) and at least one high molecular weight alkane, comprising: reacting a first alkane in the presence of dual catalyst system comprising a first catalyst (i.e., a hydrogen transfer catalyst and preferably an iridium pincer complex catalyst) and a second catalyst (i.e., a metathesis catalyst) to produce a mixture of low and high molecular weight alkanes.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: March 8, 2011
    Assignees: The University of North Carolina at Chapel Hill, Rutgers, The State University of New Jersey
    Inventors: Alan S. Goldman, Maurice Brookhart, Amy H. Roy, Ritu Ahuja, Zheng Huang
  • Publication number: 20070060781
    Abstract: A method of converting at least one first alkane to a mixture of at least one low molecular weight alkane (optionally also including additional lower and/or higher molecular weight alkanes) and at least one high molecular weight alkane, comprising: reacting a first alkane in the presence of dual catalyst system comprising a first catalyst (i.e., a hydrogen transfer catalyst and preferably an iridium pincer complex catalyst) and a second catalyst (i.e., a metathesis catalyst) to produce a mixture of low and high molecular weight alkanes.
    Type: Application
    Filed: July 7, 2006
    Publication date: March 15, 2007
    Inventors: Alan Goldman, Maurice Brookhart, Amy Roy, Ritu Ahuja, Zheng Huang