Patents by Inventor Chetan P. Jariwala

Chetan P. Jariwala 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: 20190241510
    Abstract: Described are compounds of the formula: wherein RAryl is an aryl group; R1 is a linear or branched C2-C40 hydrocarbyl group; R2 is a C1-C4 alkyl; Rf is a perfluorinated group of having an average of 3 to 5 carbon atoms; and subscript x is 1 to 3.
    Type: Application
    Filed: August 29, 2017
    Publication date: August 8, 2019
    Inventors: Georgiy Teverovskiy, Chetan P. Jariwala, Thomas P. Klun
  • Patent number: 10370792
    Abstract: A fluorochemical composition comprising: at least one fluorinated compound; and at least one esterquat or amidequat surfactant.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 6, 2019
    Assignee: 3M iNNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Dirk M. Coppens, Rudolph J. Dams
  • Publication number: 20190194377
    Abstract: Hydrophobic polyurethane polymers which may be useful in making synthetic leathers comprising at least two immediately consecutive repeating units according to Formula I: (—OC(O)N—)nA-NC(O)O-L(M)-??(I) wherein n is 1 or 2, A represents the residue of an organic di- or tri-isocyanate compound, L represents a hydrocarbon group that optionally contains one or more catenary or non-catenary hetero-atoms, and M represents an oligomer comprising 2-12 (meth)acrylate units. The polyurethane polymers may additionally comprise end group(s) according to the formula -L?M wherein L? represents a hydrocarbon group that may contain one or more catenary or non-catenary hetero-atoms. In some embodiments, M is according to Formula III: wherein Q is hydrogen or methyl, p is an integer between 2 and 12 inclusive, and Z is a hydrocarbon group which may optionally be substituted.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 27, 2019
    Inventors: Walter E. Partlo, Chetan P. Jariwala, Yongshang Lu, Michael T. Hayes
  • Patent number: 10294609
    Abstract: A fluorine-free composition includes one or more compounds derived from a reaction mixture that includes: (i) at least one isocyanate-reactive (i.e., functionalized) oligomer comprising 2 to 20 repeating units; (ii) at least one polyisocyanate; (iii) optionally at least one additional isocyanate-reactive compound; and (iv) optionally at least one isocyanate blocking agent; wherein the isocyanate-reactive oligomer is made by the radical-initiated reaction of a reaction mixture comprising at least one mercaptan and Sat least one (meth)acrylate monomer, wherein the at least one (meth)acrylate monomer comprises at least one isocyanate-derived group (e.g., a urethane group or a urea group) and at least one hydrocarbon group having at least 16 carbon atoms (and in some embodiments, up to 60 carbon atoms). Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: May 21, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Dirk M. Coppens, Chetan P. Jariwala, Lin Chen
  • Publication number: 20190135771
    Abstract: The present invention provides a novel partially fluorinated piperazine carboxamide compound, and polymer composition comprising the fluorinated compound and a thermoplastic or thermoset polymer. The polymer composition is useful in preparing shaped articles such as fibers and films which have desirable oil- and water repellency properties.
    Type: Application
    Filed: May 22, 2017
    Publication date: May 9, 2019
    Inventors: Georgiy Teverovskiy, Chetan P. Jariwala, Ajay K. Vidyasagar, David S. Hays
  • Patent number: 10233285
    Abstract: Fluorinated silane compounds, compositions containing the fluorinated silane compounds, and articles prepared using the fluorinated silane compounds and compositions are described. The fluorinated silane compounds can be soluble or dispersible in aqueous media, such as water, and can be used to coat articles, such as glass articles.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: March 19, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yu Yang, Katherine A. Gibney, Suresh S. Iyer, Ingrid N. Haugan, Chetan P. Jariwala, Yifan Zhang
  • Publication number: 20190077903
    Abstract: A fluorochemical composition that includes one or more fluorochemical urethane compounds, a method of treating a substrate (e.g.
    Type: Application
    Filed: October 6, 2016
    Publication date: March 14, 2019
    Inventors: David T. Amos, Jay R. Nierengarten, Angela J. Nixon, Chetan P. Jariwala
  • Publication number: 20180305843
    Abstract: Fibers, webs that include a plurality of such fibers, and methods of making such fibers, wherein each fiber includes a mixture including one or more aromatic polyesters and one or more organic polyester polymers, wherein the one or more organic polyester polymers have a molecular weight of 700 Daltons to 50,000 Daltons and comprises one equivalent weight of sulfonic acid groups or ionizable sulfonic acid salt groups per 700 to 8000 grams (of the organic polyester polymer).
    Type: Application
    Filed: June 17, 2016
    Publication date: October 25, 2018
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Hsin-Lung Tsai, John A. Temperante
  • Patent number: 10093822
    Abstract: An amphiphilic polymer comprising: at least 10 wt-% monomeric units comprising alkylene oxide moieties, wherein a majority of the alkylene oxide moieties are ethylene oxide moieties; monomeric units comprising hexafluoropropylene oxide oligomeric moieties having the formula C3F7O—(CF(CF3)CF2O)aCF(CF3)—C(O)N(H)-Q-, wherein Q is a linking group with at least one carbon atom, and “a” is at least 5; and monomeric units comprising pendant groups selected from phosphate groups, phosphonate groups, sulfonate groups, and combinations thereof; wherein the amphiphilic polymer is water dispersible; aqueous coating compositions containing the amphiphilic polymer; and methods of treating a hard surface.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: October 9, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Susannah C. Clear, Ruchi Pandey
  • Patent number: 10030334
    Abstract: A fluorinated compound comprising: (i) a fluorochemical oligomeric portion comprising an aliphatic backbone comprising polymerized (meth)acrylate monomeric units, each having a perfluorinated terminal C4-C6 aliphatic group, and an organic residue obtained by removing a hydrogen atom from a functionalized chain transfer agent, wherein: the polymerized (meth)acrylate units are present in a molar ratio of at least 6:1 relative to the functionalized chain transfer agent; and the (meth)acrylate units comprise 0-30 mole-% acrylate units and 70-100 mole-% methacrylate units; (ii) a fluorine-free hydrocarbon moiety; (iii) a di-, tri-, or polymeric isocyanate-derived linking group; and (iv) a group that imparts a durable property when the compound is applied to a fibrous substrate.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: July 24, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Dirk M. Coppens, Rudolph J. Dams, Chetan P. Jariwala
  • Publication number: 20180112291
    Abstract: A coalescing element for aggregating droplets of an emulsion. The coalescing element includes a nonwoven web substrate. A coalescer that includes the coalescing element can also include a housing and a fluid inlet and a fluid outlet each in fluid communication with the coalescing element. The coalescing element and coalescer may be useful for emulsions that form in solvent extraction/electrowinning copper processing and for other emulsions.
    Type: Application
    Filed: March 16, 2016
    Publication date: April 26, 2018
    Inventors: Clinton P. WALLER, JR., Chetan P. JARIWALA, Jerald K. RASMUSSEN, John J. SCHMIDT, Michael J. SIERAKOWSKI, Karl D. WEILANDT
  • Patent number: 9890290
    Abstract: A coating composition and a multi-layered film, both of which include a fluoropolymer and a water-soluble polymer.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: February 13, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gaurav Manik, Chetan P. Jariwala, Ruchi Pandey, Prabha Hegde, Sathyanarayanan Gururamakrishnan, Rachita Pradeep
  • Publication number: 20180023245
    Abstract: A fluorine-free composition includes one or more compounds derived from a reaction mixture that includes: (i) at least one isocyanate-reactive (i.e., functionalized) oligomer comprising 2 to 20 repeating units; (ii) at least one polyisocyanate; (iii) optionally at least one additional isocyanate-reactive compound; and (iv) optionally at least one isocyanate blocking agent; wherein the isocyanate-reactive oligomer is made by the radical-initiated reaction of a reaction mixture comprising at least one mercaptan and Sat least one (meth)acrylate monomer, wherein the at least one (meth)acrylate monomer comprises at least one isocyanate-derived group (e.g., a urethane group or a urea group) and at least one hydrocarbon group having at least 16 carbon atoms (and in some embodiments, up to 60 carbon atoms). Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Application
    Filed: February 9, 2016
    Publication date: January 25, 2018
    Inventors: Rudolf J. Dams, Dirk M. Coppens, Chetan P. Jariwala, Lin Chen
  • Publication number: 20180016738
    Abstract: A fluorine-free composition includes at least one polycarbodiimide compound derived from a carbodiimidization reaction of a carbodiimidization reaction mixture comprising at least one oligomer, wherein the oligomer comprises at least one isocyanate end group and at least two repeating units, wherein each of the at least two repeating units comprises at least one hydrocarbon group having at least 16 carbon atoms. The composition may also include at least one paraffin wax. Such compositions are useful for treating fibrous substrates to enhance their water-repellency.
    Type: Application
    Filed: February 1, 2016
    Publication date: January 18, 2018
    Inventors: Dirk M. Coppens, Rudolf J. Dams, Chetan P. Jariwala, Lin Chen
  • Publication number: 20180016739
    Abstract: A method of treating a fibrous substrate, the method including applying a fluorine-free treating composition in an amount sufficient to make the fibrous substrate water repellent, wherein the treating composition includes one or more polymeric compounds derived from the polymerization of at least one (meth)acrylate monomer comprising at least one isocyanate-derived group and at least one hydrocarbon group having at least 16 carbon atoms.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Inventors: Dirk M. Coppens, Rudolf J. Dams, Chetan P. Jariwala
  • Publication number: 20170362391
    Abstract: Modified poly(diorganosiloxanes), compositions, and articles comprising the same. The modified poly(diorganosiloxanes) can be soluble or dispersable in aqueous media. The articles can have modified poly(diorganosiloxanes) affixed thereto.
    Type: Application
    Filed: December 4, 2015
    Publication date: December 21, 2017
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Yu Yang, Katherine A. Gibney, Suresh Iyer, Ingrid N. Haugan, Chetan P. Jariwala, Yifan Zhang
  • Patent number: 9828722
    Abstract: For imparting enhanced water-repellency and oil-repellency properties to substrates compositions comprising blends of (A) one or more ester oligomers and (B) one or more polycarbodiimides. Also methods for applying such compositions and articles treated with such compositions.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 28, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Chetan P. Jariwala, Cheryl L. S. Elsbernd, Thomas M. Butler
  • Publication number: 20170313819
    Abstract: Fluorinated silane compounds, compositions containing the fluorinated silane compounds, and articles prepared using the fluorinated silane compounds and compositions are described. The fluorinated silane compounds can be soluble or dispersible in aqueous media, such as water, and can be used to coat articles, such as glass articles.
    Type: Application
    Filed: November 24, 2015
    Publication date: November 2, 2017
    Inventors: Yu Yang, Katherine A. Gibney, Suresh S. Iyer, Ingrid N. Haugan, Chetan P. Jariwala, Yifan Zhang
  • Publication number: 20170253570
    Abstract: A perfluoropolyether thiol compound comprises a perfluoropolyether segment, at least one mercapto group (—SH), and at least one intervening divalent carbonylimino moiety (—C(?O)—NR—, wherein R is hydrogen or alkyl). The compound can be produced, for example, by a ring-opening reaction of thiolactones with perfluoropolyether-substituted, primary or secondary amines. The compound can be used, for example, as a polymerization chain transfer agent, as an intermediate for the preparation of functional group-containing fluorochemical derivatives such as disulfides, and as a fluorinated surface treatment.
    Type: Application
    Filed: May 24, 2017
    Publication date: September 7, 2017
    Inventors: Suresh Iyer, Mark J. Pellerite, Chetan P. Jariwala
  • Publication number: 20170226372
    Abstract: An amphiphilic polymer comprising: at least 10 wt-% monomeric units comprising alkylene oxide moieties, wherein a majority of the alkylene oxide moieties are ethylene oxide moieties; monomeric units comprising hexafluoropropylene oxide oligomeric moieties having the formula C3F7O—(CF(CF3)CF2O)aCF(CF3)—C(O)N(H)-Q-, wherein Q is a linking group with at least one carbon atom, and “a” is at least 5; and monomeric units comprising pendant groups selected from phosphate groups, phosphonate groups, sulfonate groups, and combinations thereof; wherein the amphiphilic polymer is water dispersible; aqueous coating compositions containing the amphiphilic polymer; and methods of treating a hard surface.
    Type: Application
    Filed: August 6, 2015
    Publication date: August 10, 2017
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Chetan P. Jariwala, Susannah C. Clear, Ruchi Pandey