Natural Resins Or Derivatives (e.g., Wood Or Pine Tar; Cativo Resin Derivatives, Etc.) Patents (Class 530/200)
Shellac containing starting material used in process, or product thereof (e.g., lac, sticklac, seedlac, flake shellac, bleached shellac, etc.) (Class 530/201)
Cut wood starting material used in process, or product thereof (e.g., using pine stumps, chips, bark, etc., as starting material) (Class 530/202)
Plant sap or fossil starting material used in process, or product thereof (e.g., using copal, coal, amber, dammar, etc., as starting material) (Class 530/203)
Recovery of tall oil or derivatives from papermaking waste, purification of tall oil, or separation of components of tall oil; or product thereof (e.g., separation of rosin, fatty acids, sterols, etc.; decolorizing, etc.) (Class 530/205)
Rosin or derivative used as starting material in process, or product thereof (e.g., using gum rosin, wood rosin, solid tall oil rosin, etc.) (Class 530/210)
Tall oil or derivative used as starting material in process, or product thereof (e.g., metal salts of tall oil fatty acids; tall oil pitch, etc.) dehydrogenated, or isomerized rosin; etc.) (Class 530/230)
  • Modified natural-resin acid esters, processes for their preparation, and their use as binder resins in printing inks
    Patent number: 5698668
    Abstract: Toluene-soluble modified natural-resin acid esters which can be prepared by reacting at least one compound from each of the component groups: A) natural resins or natural-resin acids; B) .alpha.,.beta.-ethylenically unsaturated carboxylic acids or their anhydrides; C) phenols which are polyfunctional with respect to oxo compounds; D) aldehydes or aldehyde acetals; E) alcohols having at least two hydroxyl groups; and, if desired, further compounds from the substance groups: F) fatty acids or fatty acid esters; G) ethylenically unsaturated monomers; H) ethylenically unsaturated hydrocarbon resins in the presence of: I) monovalent or divalent metal compounds or mixtures thereof at a temperature of from 100.degree. to 300 .degree. C., with elimination of water, to an acid number of less than 100 mg of KOH/g of resin, and then reacting the resulting products with: J) carboxylic acids which contain at least two carboxyl groups and are not .alpha.,.beta.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: December 16, 1997
    Assignee: Vianova Resins GmbH
    Inventor: Albert Bender
  • Enzyme linked immunoassay with stabilized polymer saccharide enzyme conjugates
    Patent number: 5691154
    Abstract: An improvement in enzyme linked immunoassays is disclosed wherein the enzyme is in the form of a water soluble polymer saccharide conjugate which is stable in hostile environments. The conjugate comprises the enzyme which is linked to the polymer at multiple points through saccharide linker groups.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 25, 1997
    Assignee: Cargill, Incorporated
    Inventors: Matthew R. Callstrom, Mark D. Bednarski, Patrick R. Gruber
  • Purified guaiacum resin and method for making same
    Patent number: 5621072
    Abstract: A purified guaiacum resin which is obtained by isolation from a natural guaiacum resin with chromatography using a gel for reversed chromatography as a stationary phase and a polar solvent as a mobile phase. The purified guaiacum resin does not contain substances causing the repellency of a specimen or constituents exhibiting unstable color development when it is used as a body fluid inspection agent and is subjected to color reaction in the presence of a peroxidase and hydrogen peroxide.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: April 15, 1997
    Assignee: Dai Nippon Insatsu Kabushiki Kaisha
    Inventors: Masanao Watanabe, Kohji Kuroda, Yoshiko Fujita
  • Stabilized polyacrylic saccharide protein conjugates
    Patent number: 5492821
    Abstract: This invention is directed to water soluble protein polymer conjugates which are stabile in hostile environments. The conjugate comprises a protein which is linked to an acrylic polymer at multiple points through saccharide linker groups.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: February 20, 1996
    Assignee: Cargill, Inc.
    Inventors: Matthew R. Callstrom, Mark D. Bednarski, Patrick R. Gruber
  • Preparation of novel synthetic resins
    Patent number: 5157109
    Abstract: A process for the preparation of novel resin comprising reacting cyclopentadienes, preferably dicyclopentadienes, with tall oil pitch or a neutrals-containing component thereof, at a temperature between about 200.degree. C. and about 300.degree. C. is described. The use of the resin in inks and coatings and the like is also discussed.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: October 20, 1992
    Assignee: Union Camp Corporation
    Inventor: Samuel D. Hollis
  • Process for preparing lignocellulosic bodies
    Patent number: 5130419
    Abstract: Process for preparing lignocellulosic bodies by bringing lignocellulosic parts into contact with a composition comprising a polyisocyanate, fumed silica and a non-ionic liquid gellant and by pressing this combinations of parts and composition.The adhesion of the parts is excellent and the binder composition can be easily sprayed.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: July 14, 1992
    Assignee: Imperial Chemical Industrial PLC
    Inventors: James P. Brown, Martin C. Barker, Viviane G. J. Neyens
  • Use of a mixed catalyst system to improve the viscosity stability of rosin resins
    Patent number: 5049652
    Abstract: Rosin esters having improved viscosity stability are prepared by heating a mixture of rosin and a polyol in the presence of a catalyst mixture of 0.1% to 0.6% by weight calcium bis(ethyl 3,5-di-t-butyl-4-hydroxybenzyl phosphonate) and 0.02 to 1.0% by weight of a second calcium compound selected from calcium carbonate, calcium oxide and a calcium salt of an aliphatic carboxylic acid, all percentages being based on the weight of rosin.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: September 17, 1991
    Assignee: Hercules Incorporated
    Inventor: James Minn
  • Copolyester and process for producing the same
    Patent number: 4876331
    Abstract: According to the present invention, a novel copolyester comprising 3-hydroxybutyrate unit, 3-hydroxyvalerate unit and 5-hydroxyvalerate unit; 3-hydroxybutyrate unit and 4-hydroxybutyrate unit; or 3-hydroxybutyrate unit, 4-hydroxybutyrate unit and 3-hydroxyvalerate unit is easily obtained.Further, since the copolyester according to the present invention has various excellent specific properties, it is extremely suitable as the biomedical materials such as suture material and fixation materials for bone fracture, and its application to various fields such as the slow-releasing system, etc. is expected.
    Type: Grant
    Filed: August 10, 1988
    Date of Patent: October 24, 1989
    Assignee: Mitsubishi Kasei Corporation
    Inventor: Yoshiharu Doi