Pine Oleoresin Starting Material Used In Process, Or Product Thereof (e.g., Using Gum Turpentine, Pine Gum, Pine Resin, Etc., As Starting Material) Patents (Class 530/204)
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Publication number: 20140148572Abstract: A method for preparing pimaric acid type resin acids includes: step (1) adding refined resin acid, turpentine, or rosin along with maleic anhydride at a mass ratio of 1:0.3-1.5 into a reaction bottle, dissolving the ingredients into a C1-C10 lower fatty acid solvent, the mass ratio of the C1-C10 low fatty acid to refined resin acid is 0.05-30:1, then carrying out additional reaction by heating directly or with assistance of a microwave, subsequently cooling, crystallizing, filtering, and washing; and step (2) combining the filtrates collected in step (1), stripping the solvent by vacuum distillation to obtain pimaric acid type resin acid coarse product, dissolving the resulting coarse product in NaOH aqueous solution to prepare aqueous solution of pimaric acid type resin acid salt, adjusting the pH to 6-14 with a mineral acid or an organic acid, and either directly purifying or acidifying followed by purifying to obtain the final product.Type: ApplicationFiled: January 31, 2014Publication date: May 29, 2014Applicant: INSTITUTE OF CHEMICAL INDUSTRY OF FOREST PRODUCTS, CAFInventors: Zhendong Zhao, Yuxiang Chen, Liangwu Bi, Yan Gu, Dongmei Li, Jing Wang, Yanju Lu
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Patent number: 8680232Abstract: A method for preparing pimaric acid type resin acids includes the following steps: step (1) adding refined resin acid, turpentine, or rosin along with maleic anhydride at a mass ratio of 1:0.3-1.5 into a reaction bottle, dissolving the ingredients into a C1-C10 lower fatty acid solvent, the mass ratio of the C1-C10 low fatty acid to refined resin acid is 0.05-30:1, then carrying out additional reaction by heating directly or with assistance of a microwave, subsequently cooling, crystallizing, filtering, and washing; and step (2) combining the filtrates collected in step (1), stripping the solvent by vacuum distillation to obtain pimaric acid type resin acid coarse product, dissolving the resulting coarse product in NaOH aqueous solution to prepare aqueous solution of pimaric acid type resin acid salt, adjusting the pH level to 6-14 with a mineral acid or an organic acid while stirring, and either directly purifying or acidifying followed by purifying, the resulting precipitation to obtain the final product.Type: GrantFiled: March 18, 2010Date of Patent: March 25, 2014Assignee: Institute of Chemical Industry of Forest Products, CAFInventors: Zhendong Zhao, Yuxiang Chen, Liangwu Bi, Yan Gu, Dongmei Li, Jing Wang, Yanju Lu
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Publication number: 20120004390Abstract: A method for preparing pimaric acid type resin acids includes the following steps: step (1) adding refined resin acid, turpentine, or rosin along with maleic anhydride at a mass ratio of 1:0.3-1.5 into a reaction bottle, dissolving the ingredients into a C1-C10 lower fatty acid solvent, the mass ratio of the C1-C10 low fatty acid to refined resin acid is 0.05-30:1, then carrying out additional reaction by heating directly or with assistance of a microwave, subsequently cooling, crystallizing, filtering, and washing; and step (2) combining the filtrates collected in step (1), stripping the solvent by vacuum distillation to obtain pimaric acid type resin acid coarse product, dissolving the resulting coarse product in NaOH aqueous solution to prepare aqueous solution of pimaric acid type resin acid salt, adjusting the pH level to 6-14 with a mineral acid or an organic acid while stirring, and either directly purifying or acidifying followed by purifying, the resulting precipitation to obtain the final product.Type: ApplicationFiled: March 18, 2010Publication date: January 5, 2012Inventors: Zhendong Zhao, Yuxiang Chen, Liangwu Bi, Yan Gu, Dongmei Li, Jing Wang, Yanju Lu
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Patent number: 7601371Abstract: A liquid carrier for topical administration is provided that contains a mineral oil, turpentine and, optionally, camphor, and optionally other terpenoid components containing pinene, and its use to provide an antifungal composition containing a mixture of antifungal essential oils and the carrier system, wherein the mixture of antifungal essential oils includes an effective amount of each of Eucalyptus globulus, peppermint, cedarwood, and Manuka; along with the use of this composition in the topical treatment of fungal infection, particularly of the nail.Type: GrantFiled: March 12, 2007Date of Patent: October 13, 2009Inventor: Marc Selner
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Patent number: 7597913Abstract: A liquid carrier for topical administration is provided that contains a mineral oil, turpentine and, optionally, camphor, and optionally other terpenoid components containing pinene, and its use to provide an antifungal composition a mixture of antifungal essential oils and the carrier system, wherein the mixture of antifungal essential oils includes an effective amount of each of eucalyptus globulus, peppermint, cedarwood, and Manuka; along with the use of this composition in the topical treatment of fungal infection, particularly of the nail.Type: GrantFiled: October 4, 2004Date of Patent: October 6, 2009Inventor: Marc Selner
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Patent number: 6166131Abstract: Disclosed is a process for producing a highly reactive modified phenolic resin, which comprises mixing a heavy oil or pitch with 0.3 to 10 mol of a phenol, 0.2 to 9 mol in terms of formaldehyde, of a formaldehyde compound and 0.01 to 3.0 mol of an acid catalyst, each amount being based on 1 mol of the heavy oil or pitch calculated from an average molecular weight; and heating the resulting mixture with stirring, thereby to polycondensate the heavy oil or pitch, phenol and formaldehyde compound. According to this invention, there can be provided a process for producing simply and stably a highly reactive modified phenolic resin having low melt viscosity, excellent heat resistance and high reactivity with an epoxy resin, in one step.Type: GrantFiled: September 22, 1999Date of Patent: December 26, 2000Assignee: Kashima Oil Co., Ltd.Inventors: Masao Tashima, Hiromi Miyasita, Haruhiko Takeda, Tomoaki Fujii, Tatsushi Ishizuka, Makoto Hasegawa
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Patent number: 6034210Abstract: Disclosed is a process for producing a highly reactive modified phenolic resin, which comprises mixing a heavy oil or pitch with 0.3 to 10 mol of a phenol, 0.2 to 9 mol in terms of formaldehyde, of a formaldehyde compound and 0.01 to 3.0 mol of an acid catalyst, each amount being based on 1 mol of the heavy oil or pitch calculated from an average molecular weight; and heating the resulting mixture with stirring, thereby to polycondensate the heavy oil or pitch, phenol and formaldehyde compound. According to this invention, there can be provided a process for producing simply and stably a highly reactive modified phenolic resin having low melt viscosity, excellent heat resistance and high reactivity with an epoxy resin, in one step.Type: GrantFiled: February 17, 1998Date of Patent: March 7, 2000Assignee: Kashima Oil Co., Ltd.Inventors: Masao Tashima, Hiromi Miyasita, Haruhiko Takeda, Tomoaki Fujii, Tatsushi Ishizuka, Makoto Hasegawa
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Patent number: 5698668Abstract: 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: GrantFiled: June 3, 1996Date of Patent: December 16, 1997Assignee: Vianova Resins GmbHInventor: Albert Bender
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Patent number: 5691154Abstract: 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: GrantFiled: June 6, 1995Date of Patent: November 25, 1997Assignee: Cargill, IncorporatedInventors: Matthew R. Callstrom, Mark D. Bednarski, Patrick R. Gruber
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Patent number: 5492821Abstract: 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: GrantFiled: November 13, 1991Date of Patent: February 20, 1996Assignee: Cargill, Inc.Inventors: Matthew R. Callstrom, Mark D. Bednarski, Patrick R. Gruber