Phenol-aldehyde Condensate Patents (Class 442/161)
  • Patent number: 7989367
    Abstract: A process for making a fibrous product using a binder based on a formaldehyde-containing resin and especially for making fiberglass insulation products, and to the fibrous products themselves, wherein the fibrous product has a backing sheet affixed thereto and the backing sheet is coated or impregnated with a formaldehyde scavenger composition, with the result that the fibrous products exhibit a reduced level of formaldehyde emission.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: August 2, 2011
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Peter Boyer, Kim Tutin, Ramji Srinivasan
  • Patent number: 7807748
    Abstract: A phenol-formaldehyde resin, having a low concentration of tetradimer, making the resin suitable for preparing a binder composition for making non-woven fiber products, such as fiberglass insulation, prepared by reacting phenol and formaldehyde in the presence of a sulfite source.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: October 5, 2010
    Assignee: Georgia-Pacific Chemicals LLC
    Inventors: Ramji Srinivasan, Kim Tutin, James Knight, Paul Baxter
  • Patent number: 7311957
    Abstract: A sound absorbing material having a homogenous mixture of an organic man-made fiber, an inorganic man-made fiber, a co-binder, and a cellulose material wherein the organic man-made fiber is polyester, the inorganic man-made fiber is fiberglass, and the co-binder is a thermo-setting resin. The cellulose material may include Kaolin clay and/or boric acid.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: December 25, 2007
    Assignee: CTA Acoustics, Inc.
    Inventor: Matthew Bargo, II
  • Patent number: 6936083
    Abstract: A treated backing comprises a fabric and a composition that comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional (meth)acrylate, dicyandiamide, and photoinitiator.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: August 30, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Ernest L. Thurber, Don H. Kincaid
  • Patent number: 6875711
    Abstract: A friction material has a first layer of a base material and a second layer of at least one type of friction modifying particle having substantially symmetrical geometric shapes on a top surface of the base material. The second layer has an average thickness of about 30 to about 200 microns and the surface area coverage of about 80 to about 100% such that the top layer has a fluid permeability lower than the first layer.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: April 5, 2005
    Assignee: BorgWarner Inc.
    Inventors: Yih-Fang Chen, Robert C. Lam, Feng Dong, Bulent Chavdar
  • Publication number: 20040166751
    Abstract: A coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating is provided. The coated mat is a cured, non-woven mat including a mixture of fibers having different fiber lengths. The fibers contain a polysiloxane compound and are fixedly distributed in a binder.
    Type: Application
    Filed: February 26, 2004
    Publication date: August 26, 2004
    Applicant: BUILDING MATERIALS INVESTMENT CORPORATION
    Inventors: Qinyun Peng, Krishna Srinivasan, Bill Bittle, Betty C. Roberts, Mark McAteer
  • Publication number: 20030228820
    Abstract: A method of producing a lightweight heat resistant and insulative composite sheet, and containing glass fibers, consisting essentially of homogenized glass fiber and binder materials forming a first layer, binder material extending in a second layer on a surface of the first layer and bonded thereto, woven glass fiber facing cloth extending in a third layer on a surface of the second layer and bonded thereto so that the second layer is sandwiched between the first and third layers, binder material in all layers being cured, to integrate the layers.
    Type: Application
    Filed: June 8, 2002
    Publication date: December 11, 2003
    Inventor: Jack R. Pfeffer
  • Publication number: 20030031703
    Abstract: An article containing: a substrate having at least two surfaces; and raised elements on at least one surface of the substrate, wherein the article is useful for providing skin care benefits is disclosed. The raised elements may be made from hot melt coatings, natural rubber, synthetic rubber, polyolefins, ethylene vinyl acetate, or thermoplastic elastomers.
    Type: Application
    Filed: August 7, 2001
    Publication date: February 13, 2003
    Inventors: Linda J. McMeekin, Joseph Luizzi
  • Patent number: 6130176
    Abstract: The present invention relates to a fibrous base material for use in a non-asbestos, non-metallic friction material comprising less fibrillated aramid fibers, carbon particles, cotton fibers, carbon fibers and at least one filler material, and the non-asbestos, non-metallic friction material produced therefrom. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-base resin material, including, for example, a mixture of a phenolic resin and a silicone resin.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 10, 2000
    Assignee: Borg-Warner Inc.
    Inventor: Robert C. Lam
  • Patent number: 6121168
    Abstract: A wet paper friction material, mainly used for a slip lock-up of an automatic transmission, obtained by impregnating a paper material with a thermosetting resin, thermosetting, and molding under pressure, to attain compatibility between a good frictional characteristic and good fatigue strength under compression, wherein the paper material, in addition to a cellulose pulp and a filler, contains 30 to 80 wt % of aramid pulp with its drainability being adjusted to 250 to 440 ml in a total amount of pulp, and further contains, as a friction modifier, diatomaceous earth cylindrically formed so as to be net-like in the cylinder part and having its mean length 4 to 6 .mu.m.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: September 19, 2000
    Assignees: Dynax Corporation, Nissan Motor Co., Ltd.
    Inventors: Maki Irifune, Tetsuya Ishitani, Takao Shibuya, Makoto Maeda, Nobutaka Chiba, Yasuhiro Murakami
  • Patent number: 6083854
    Abstract: The present invention relates in general to a variety of emulsion compositions, and more particularly, to emulsion compositions and methods for preparing these emulsion compositions which employ novel polymeric emulsifaction techniques. The emulsion compositions of this invention although applicable to a variety of applications provide particularly stable low viscosity polymeric emulsions useful for example in connection with wet wipes for the treatment of adult or baby dermatitis, make-up removal and other skin care applications. The stabilizing composition used in the emulsions according to the present invention comprise phenoxyethanol.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: July 4, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Michael Scott Bogdanski, Ursula Christina Glaser
  • Patent number: 6001750
    Abstract: The present invention relates to a fibrous base material comprising a primary layer of less fibrillated aramid fibers, carbon particles, carbon fibers, phenolic novoloid fibers, and at least one filler material, optionally cotton fibers, and a secondary layer of carbon particles on at least one surface of the fibrous base material for use in a non-asbestos friction material. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-based resin material, including, for example, a mixture of a phenolic resin and a silicone resin to form a friction material having an extended high speed durability life, good "break-in" characteristics, good heat dissipation characteristics, and good noise or squawk resistance.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: December 14, 1999
    Assignee: Borg-Warner Automotive, Inc.
    Inventor: Robert C. Lam
  • Patent number: 5858883
    Abstract: The present invention relates to a fibrous base material comprising a primary layer of less fibrillated aramid fibers, synthetic graphite and at least one filler material, and a secondary layer of carbon particles on at least one surface of the fibrous base material for use in a non-asbestos friction material. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-based resin material, including, for example, a mixture of a phenolic resin and a silicone resin to form a friction material having good "break-in" and durability characteristics.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: January 12, 1999
    Assignee: Borg-Warner Automotive, Inc.
    Inventors: Robert C. Lam, Marc A. Yesnik, Yih-Fang Chen