Patents by Inventor Kiarash Alavi Shooshtari
Kiarash Alavi Shooshtari 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).
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Patent number: 11472987Abstract: Binder compositions are described that contain (1) a reducing sugar and (2) a reaction product of a urea compound and an aldehyde-containing compound. A specific example of the binder compositions include dextrose and an imidazolidine compound such as 4,5-dihydroxyimidazolidin-2-one. The binder compositions may be applied to collections of fibers and cured to form a fiber-containing composite, such as fiberglass insulation.Type: GrantFiled: June 7, 2012Date of Patent: October 18, 2022Assignee: Johns ManvilleInventor: Kiarash Alavi Shooshtari
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Patent number: 10815593Abstract: Viscosity-modified carbohydrate binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a thickening agent. The binder compositions may have a Brookfield viscosity of 7 to 50 centipoise at 20° C. The thickening agents may include modified celluloses such as hydroxyethyl cellulose (HEC) and carboxymethyl cellulose (CMC), and polysaccharides such as xanthan gum, guar gum, and starches.Type: GrantFiled: November 13, 2012Date of Patent: October 27, 2020Assignee: Johns ManvilleInventors: Zhihua Guo, Uranchimeg Lester, Jawed Asrar, Kiarash Alavi Shooshtari, Mingfu Zhang
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Patent number: 10815402Abstract: Binder compositions are described that contain (1) a reducing sugar and (2) a reaction product of a urea compound and an aldehyde-containing compound. A specific example of the binder compositions include dextrose and an imidazolidine compound such as 4,5-dihydroxyimidazolidin-2-one. The binder compositions may be applied to collections of fibers and cured to form a fiber-containing composite, such as fiberglass insulation.Type: GrantFiled: May 9, 2014Date of Patent: October 27, 2020Assignee: Johns ManvilleInventor: Kiarash Alavi Shooshtari
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Patent number: 10208414Abstract: Soy protein and carbohydrate containing binder compositions are described. The binder compositions may include a carbohydrate, a nitrogen-containing compound, and a soy protein. The binder compositions may also optionally include thickening agents such as modified celluloses and polysaccharides.Type: GrantFiled: November 13, 2012Date of Patent: February 19, 2019Assignee: Johns ManvilleInventors: Uranchimeg Lester, Kiarash Alavi Shooshtari, Jawed Asrar, Zhihua Guo, Mingfu Zhang
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Patent number: 9994482Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.Type: GrantFiled: August 6, 2010Date of Patent: June 12, 2018Assignee: Johns ManvilleInventors: Bernhard Eckert, Bernd Christensen, Kiarash Alavi Shooshtari, Souvik Nandi, Jawed Asrar, Mingfu Zhang
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Patent number: 9695311Abstract: Formaldehyde-free binder compositions are described that include an aldehyde or ketone, an organic anhydride, an alkanol amine, and a nitrogen-containing salt of an inorganic acid. The binder compositions may be applied to fibers, such as glass fibers, to make formaldehyde-free, fiber-reinforced composites. Methods of making fiber-reinforced composites are also described, where such methods may include mixing an alkanol amine with an organic anhydride to make a first mixture, and adding a reducing sugar to the first mixture to make a second mixture. A nitrogen-containing salt may be added to the second mixture to make a binder composition, which may be applied to fibers to form a binder-fiber amalgam. The amalgam may be heated to cure the binder composition and form the fiber-reinforced composite.Type: GrantFiled: July 27, 2012Date of Patent: July 4, 2017Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Uranchimeg Lester, Jawed Asrar
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Patent number: 9676954Abstract: Formaldehyde-free binder compositions are described that include an aldehyde or ketone, a reaction product between a polyamine and an organic anhydride, and an acidic compound. The acidic compound may be an organic acid, an acidic catalyst, or both. The acidic compound is supplied in quantities that lower the pH of the binder composition to about 5 or less. The binder compositions may be used in methods of binding fiberglass and the resulting fiberglass products have an improved tensile strength due to the addition of the acidic compound.Type: GrantFiled: May 23, 2012Date of Patent: June 13, 2017Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Uranchimeg Lester, Jawed Asrar
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Patent number: 9587103Abstract: One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions.Type: GrantFiled: January 30, 2014Date of Patent: March 7, 2017Assignee: Johns ManvilleInventors: Mingfu Zhang, Kiarash Alavi Shooshtari, Jawed Asrar
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Patent number: 9422190Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an acid-catalyzed reaction product of an aldehyde or ketone with a multihydric alcohol. When heated, the composition forms polyacetal or polyketal that undergoes curing to form a water-insoluble resin binder which exhibits good adhesion to glass. In a preferred embodiment, maleic anhydride initially serves as a catalyst and subsequently enters into a cross-linking reaction during curing to form a poly(ester-acetal). Also, in a preferred embodiment, the fiberglass is in the form of building insulation. In other embodiments the product can be a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim.Type: GrantFiled: May 25, 2012Date of Patent: August 23, 2016Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Jawed Asrar
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Patent number: 9365963Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an addition product of an amine and a reactant to form an amino-amide intermediate. To the amino-amide is added an aldehyde or ketone to form the curable binder composition. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the fiberglass is in the form of building insulation. In other embodiments the product is a microglass-based substrate for use in a printed circuit board, battery separator, filter stock, or reinforcement scrim.Type: GrantFiled: August 11, 2009Date of Patent: June 14, 2016Assignee: Johns ManvilleInventor: Kiarash Alavi Shooshtari
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Patent number: 9340454Abstract: Methods are described for activating a glass fiber or flake to participate in polymerizing a resin. The methods may include sizing the glass fiber or flake with a sizing composition that includes a solution containing a polymerization initiator, and activating the polymerization initiator by forming a free radical moiety on the polymerization initiator that can initiate the polymerization of the resin. Additional methods of making a glass reinforced composite are described. The methods may include sizing glass fibers or flakes with a sizing composition that includes a solution containing a polymerization initiator, forming a free radical moiety on the polymerization initiator to make activated glass fibers or flakes, and contacting the activated glass fibers or flakes with a polymer resin. The activated glass fibers or flakes initiate the polymerization of the resin around the glass fibers or flakes to form the glass reinforced composite.Type: GrantFiled: December 22, 2011Date of Patent: May 17, 2016Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Jawed Asrar, Rajappa Tadepalli, Klaus Friedrich Gleich
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Patent number: 9169351Abstract: Methods of forming multi-component reinforced composites are described. The methods may include forming a particle-reinforced component and a polymer-containing component where the particle-reinforced component and the polymer-containing component are in contact with one another. The particle reinforced component may be formed by a process that includes providing reactive particles that have a reactive polymerization promoter chemically bonded or coated on the surface of the reactive particles and contacting the reactive particles with a resin solution that includes monomers of a polymer. The polymerization promoter chemically bonded or coated on the surface of the reactive particles may promote the polymerization of the monomers. The resin solution may subsequently be polymerized forming a polymer matrix around the reactive particles.Type: GrantFiled: December 22, 2011Date of Patent: October 27, 2015Assignee: Johns ManvilleInventors: Rajappa Tadepalli, Klaus Friedrich Gleich, Jawed Asrar, Kiarash Alavi Shooshtari
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Patent number: 9068286Abstract: Provided are nonwoven polymeric fiber webs using an improved curable composition. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to polymeric fibers is cured to form a water-insoluble polymer binder which exhibits good adhesion and thermodimensional stability.Type: GrantFiled: February 12, 2014Date of Patent: June 30, 2015Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, James Patrick Hamilton, Jawed Asrar
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Patent number: 9034952Abstract: Aqueous binder compositions with reduced rates of salt precipitation are described. The compositions may include a carbohydrate and a sequestrant for sequestering one or more multivalent ions (e.g., Ca2+, Mg2+, Ba2+, Al3+, Fe2+, Fe3+, etc.). The sequestrant reduces a precipitation rate for the multivalent ions from the aqueous binder composition. Methods of reducing salt precipitation from a binder composition are also described. The methods may include the steps of providing an aqueous binder solution having one or more carbohydrates. They may also include adding a sequestrant for one or more multivalent ions to the aqueous binder solution. The sequestrant reduces a precipitation rate for the multivalent ions from the binder composition.Type: GrantFiled: April 16, 2013Date of Patent: May 19, 2015Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Philip Francis Miele, Uranchimeg Lester, Jawed Asrar
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Patent number: 9034970Abstract: Formaldehyde-free binder compositions are described that include an aldehyde or ketone, a nitrogen-containing salt of an inorganic acid, and an acidic compound. The acidic compound may be an organic acid, such as maleic acid or citric acid among others. The acidic compound is supplied in quantities that lower the pH of the binder composition to about 5 or less. The binder compositions may be used in methods of binding fiberglass and the resulting fiberglass products have an improved tensile strength due to the addition of the acidic compound.Type: GrantFiled: May 23, 2012Date of Patent: May 19, 2015Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Uranchimeg Lester, Jawed Asrar
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Publication number: 20150119507Abstract: Binder compositions are described that contain (1) a reducing sugar and (2) a reaction product of a urea compound and an aldehyde-containing compound. A specific example of the binder compositions include dextrose and an imidazolidine compound such as 4,5-dihydroxyimidazolidin-2-one. The binder compositions may be applied to collections of fibers and cured to form a fiber-containing composite, such as fiberglass insulation.Type: ApplicationFiled: May 9, 2014Publication date: April 30, 2015Applicant: JOHNS MANVILLEInventor: Kiarash Alavi Shooshtari
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Patent number: 8962735Abstract: Prepreg compositions and methods of making them from particles and a binder composition are disclosed. The methods may include placing the particles on a moving conveying belt and applying the binder composition to the particles on the moving conveying belt to form a moving mass. Alternate methods may include first placing the binder composition on the moving conveying belt and then applying the particles to the binding composition to form the moving mass. The methods may further include passing the moving mass through one or more pairs of opposed, compacting rolls, where the particles and the binder composition are pressed into further contact while passing through the compacting rolls to form the prepreg. The binder composition in the prepreg may include monomers and/or oligomers of a polymer that are capable of polymerizing into the polymer under polymerization conditions.Type: GrantFiled: December 22, 2011Date of Patent: February 24, 2015Assignee: Johns ManvilleInventors: Rajappa Tadepalli, Klaus Friedrich Gleich, Jawed Asrar, Kiarash Alavi Shooshtari
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Publication number: 20150031259Abstract: One-part binder compositions are described that may include a protein and a crosslinking combination. The crosslinking combination may include at least a first crosslinking compound and a second crosslinking compound. The first and second crosslinking compounds are individually crosslinkable with each other and with the protein. Examples of the protein include soy protein. Fiber products and methods of making the fiber products are also described. The fiber products may include organic fibers, inorganic fibers, or both, in a cured thermoset binder based on solutions of the one-part binder compositions.Type: ApplicationFiled: January 30, 2014Publication date: January 29, 2015Applicant: JOHNS MANVILLEInventors: Mingfu Zhang, Kiarash Alavi Shooshtari, Jawed Asrar
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Patent number: 8940854Abstract: A curable formaldehyde-free binding composition for use with fiberglass is provided. Such curable composition comprises an aldehyde or ketone and an amine salt of an inorganic acid. The composition when applied to fiberglass is cured to form a water-insoluble binder which exhibits good adhesion to glass. In a preferred embodiment the composition when applied to fiberglass provides a sufficient blackness required in facer products.Type: GrantFiled: August 6, 2010Date of Patent: January 27, 2015Assignee: Johns ManvilleInventors: Bernhard Eckert, Bernd Christensen, Kiarash Alavi Shooshtari, Souvik Nandi, Jawed Asrar, Mingfu Zhang
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Patent number: 8920595Abstract: Compositions for binding organic or inorganic fibers is described. The compositions may include an aqueous solution having a pH of about 4.5 or more. The aqueous solution may include a polycarboxy polymer that is about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; and a polyol. The compositions can maintain a pH of about 5 or more after being cured into a thermoset plastic with the fibers. Processes for preparing a binder composition for organic or inorganic fibers are also described. The processes may include providing an aqueous solution of polycarboxylic acid polymers, where the polymers comprise about 10%, by wt., to 100%, by wt., of a butenedioic acid or butenedioic anhydride; adding a polyol to the aqueous solution; and maintaining the pH of the aqueous solution at about 5 or more.Type: GrantFiled: January 4, 2013Date of Patent: December 30, 2014Assignee: Johns ManvilleInventors: Kiarash Alavi Shooshtari, Jawed Asrar