Patents Assigned to W. R. Grace & Co.-Conn.
  • Patent number: 10926234
    Abstract: The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: February 23, 2021
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Linfeng Chen
  • Publication number: 20200369798
    Abstract: The present invention provides polymer compositions having improved corrosivity, color stability and clarity. Also disclosed is a process of preparing the polymers. The process may comprise incorporating into the polymer an acid neutralizing amount of an amorphous aluminum silicate. The amorphous aluminum silicate may be present in the polymer in an amount such that the polymer composition having a Corrosivity Index of less than 6. A refractive index of the amorphous aluminum silicate may be the same or substantially the same as a refractive index of the polymer.
    Type: Application
    Filed: February 1, 2019
    Publication date: November 26, 2020
    Applicant: W. R. Grace & Co.-Conn.
    Inventors: Amaia Montoya-Goni, John Kaarto, Michelle Ni Paine, Jose Manuel Rego, Feng Gu, Demetrius Michos, James Neil Pryor
  • Patent number: 10835495
    Abstract: Compositions containing a biologically active material and a non-ordered inorganic oxide material are disclosed. Methods of making and using compositions containing a biologically active material and a non-ordered inorganic oxide material are also disclosed.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: November 17, 2020
    Assignees: W. R. Grace & Co.-Conn., Formac Pharmaceuticals N.V.
    Inventors: Cristian Libanati, Michiel Van Speybroeck, Frederik Hendrik Monsuur
  • Publication number: 20200247920
    Abstract: A process for preparing a solid pre-catalyst component for use in olefinic polymerization includes dissolving a magnesium chloride in an alcohol and optionally adding water to form a first solution having a water content of about 0.5 mmol water per mol MgCl2 to about 100 mmol water per mol MgCl2; contacting the first solution with a first titanium compound to form the solid pre-catalyst component; and treating the solid pre-catalyst component with a hydrocarbon or halogenated hydrocarbon solvent, optionally containing a second titanium compound.
    Type: Application
    Filed: August 23, 2018
    Publication date: August 6, 2020
    Applicant: W.R. GRACE & CO.-CONN.
    Inventors: Vladimir P. MARIN, Ahmed HINTOLAY, Neil J. O'REILLY
  • Publication number: 20200223958
    Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)):
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Applicants: W.R. GRACE & CO.-CONN., BRASKEM AMERICA, INC.
    Inventors: Binh Thanh NGUYEN, Jonas Alves FERNANDES, Vladimir P. MARIN, Mushtaq Ahmed PATEL
  • Patent number: 10695744
    Abstract: Adsorbent clarification agents suitable for use in bioprocessing procedures are disclosed. Methods of making and using the adsorbent clarification agents are also disclosed.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: June 30, 2020
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Surya Kiran Chodavarapu, Feng Gu
  • Patent number: 10660856
    Abstract: Compositions containing a biologically active ingredient and an inorganic oxide material are disclosed. Methods of making and using compositions containing a biologically active ingredient and an inorganic oxide material are also disclosed. The present invention relates to compositions comprising inorganic oxide porous material containing a biologically active ingredient in liquid form, methods of making such compositions, and methods of using them.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 26, 2020
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Frederik Hendrik Monsuur
  • Patent number: 10662267
    Abstract: A solid catalyst component for use in olefinic polymerization, includes titanium, magnesium, a halogen, and an internal electron donor compound; wherein: the internal electron donor compound is at least one compound represented by Formula (I)).
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: May 26, 2020
    Assignees: W.R. GRACE & CO. -CONN., BRASKEM AMERICA, INC.
    Inventors: Binh Thanh Nguyen, Jonas Alves Fernandes, Vladimir P. Marin, Mushtaq Ahmed Patel
  • Patent number: 10647788
    Abstract: A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors, one or more aluminum containing cocatalysts and a selectivity control agent (SCA). The SCA is a mixture of an activity limiting agent and a silane composition. The catalyst composition has a molar ratio of aluminum to total SCA from 0.5:1 to 4:1. This aluminum/SCA ratio improves polymerization productivity and the polymer production rate. The catalyst composition is self-extinguishing.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: May 12, 2020
    Assignee: W. R. Grace & Co-.Conn.
    Inventors: Linfeng Chen, Richard E. Campbell, Jr., Jan W. Van Egmond
  • Patent number: 10647790
    Abstract: The present invention relates to an improvement for gas-phase olefin polymerization process having relatively high bed bulk density. The improvement involves the use of mixed external electron donors when polymerizing propylene in a gas-phase reactor having a polymer bed with a bulk density greater than 128 kg/m3, optionally with one or more comonomers, wherein the mixed electron donor system comprises at least a first external electron donor and a second external electron donor, and wherein the first external electron donor is a carboxylate compound.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: May 12, 2020
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Ping Cai, Jan W. Van Egmond, Matthew J. Fedec, Jeffrey D. Goad, Robert C. Brady, III, Linfeng Chen
  • Publication number: 20200123389
    Abstract: Improved silica based matting agents are disclosed. The matting agents are useful in waterborne coatings composition to provide exceptional properties to a wood based substrate. Films resulting on the coated substrate unexpectedly provide improved chemical resistance, thermal stress resistance, weather resistance, and/or film clarity to the surface of a wood substrate. Methods of making and using the matting agents are also disclosed.
    Type: Application
    Filed: June 1, 2018
    Publication date: April 23, 2020
    Applicant: W.R. Grace & Co.-Conn.
    Inventor: Feng Gu
  • Patent number: 10626332
    Abstract: A process for the laboratory deactivation of a porous solid comprising subjecting the porous solid to a cyclic treatment, the treatment being selected from a hydration/dehydration cyclic treatment, a thermal cyclic treatment, or combinations thereof.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: April 21, 2020
    Assignee: W.R. GRACE & CO.- CONN
    Inventors: Ruizhong Hu, Gordon Dean Weatherbee, Dariusz Orlicki, Michael Berg
  • Patent number: 10626019
    Abstract: Compositions and methods for preparing mesoporous and/or mesostructured materials from low SAR zeolites are provided herewith. In particular, methods are provided that involve: (a) providing a low SAR zeolite, (b) optionally subjecting the low SAR zeolite to an acid framework modification, and (c) subjecting the framework-modified zeolite to a mesopore formation treatment. The resulting mesoporous zeolites can have bi-modal mesoporosity and higher aluminum contents relative to existing mesoporous zeolites.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: April 21, 2020
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Kunhao Li, Javier Garcia-Martinez
  • Patent number: 10618039
    Abstract: A process for increasing the overall yield of pyridine or its alkyl pyridine derivatives during a base synthesis reaction is disclosed. The process comprises reacting a C2 to C5 aldehyde, a C3 to C5 ketone or a combination thereof, with ammonia and, optionally, formaldehyde, in the gas phase and in the presence of an effective amount of a particulate catalyst comprising a zeolite, zinc, a binder, and clay and optionally a matrix, wherein the catalyst has a L/B ratio of about 1.5 to about 4.0. Preferably, the zeolite is ZSM-5. A process for enhancing the catalytic activity of a zinc and zeolite containing catalyst to increase the overall yield of pyridine and/or its derivatives during a base synthesis reaction is also disclosed.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: April 14, 2020
    Assignee: W.R. GRACE & CO.-CONN.
    Inventor: Dorai Ramprasad
  • Publication number: 20200023339
    Abstract: A process for preparing a catalyst comprises coating substantial internal surfaces of porous inorganic powders with titanium oxide to form titanium oxide-coated inorganic powders. After the coating, an extrudate comprising the titanium oxide-coated inorganic powders is formed and calcined to form a catalyst support. Then, the catalyst support is impregnated with a solution containing one or more salts of metal selected from the group consisting of molybdenum, cobalt, and nickel.
    Type: Application
    Filed: October 25, 2016
    Publication date: January 23, 2020
    Applicant: W. R. Grace & Co.-Conn.
    Inventors: Steve R Schmidt, Cristian Libanati
  • Patent number: 10532350
    Abstract: A method for synthesizing small crystals of silicoaluminophosphate-34 (SAPO-34) molecular sieves with high structural purity. The method includes first forming a slurry comprising monoisopropanolamine. Then, the slurry is aged to form an aged slurry. Finally, crystallization of silicoaluminophosphate molecular sieves comprising the SAPO-34 molecular sieves is induced from the aged slurry.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: January 14, 2020
    Assignee: W.R. GRACE & CO.-CONN
    Inventors: Qiuhua Zhang, Manoj Koranne
  • Patent number: 10525290
    Abstract: Compositions suitable for use as skin care products (e.g., skin cream) are disclosed. Methods of making and using compositions suitable for use as skin care products are also disclosed.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: January 7, 2020
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Demetrius Michos, James Neil Pryor
  • Publication number: 20190366307
    Abstract: The present invention discloses an inventive method for manufacturing a catalyst using alloy granules having a high-Ni content. The inventive method may include providing alloy granules comprising aluminum and nickel, and treating the alloy granules with an alkaline solution to form the catalyst. A content of the nickel in the alloy granules may be within a range of about 43 wt % to about 60 wt %. The alloy granules may have effective diameters within a range of about 1 mm to about 10 mm. The catalyst may have an attrition value of less than about 7.0%.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 5, 2019
    Applicant: W. R. GRACE & CO.-CONN.
    Inventor: Stephen R. SCHMIDT
  • Publication number: 20190247818
    Abstract: The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 15, 2019
    Applicant: W. R. Grace & Co.-Conn.
    Inventor: Linfeng Chen
  • Patent number: 10358505
    Abstract: Disclosed are catalyst compositions having an internal electron donor which includes a 3,6-di-substituted-1,2-phenylene aromatic diester. Ziegler-Natta catalyst compositions containing the present catalyst compositions exhibit very high hydrogen response, high activity, high selectivity and produce propylene-based olefins with high melt flow rate.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 23, 2019
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Linfeng Chen, Tak W. Leung, Tao Tao, Kuanqiang Gao