...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7709599 | Compounds, rosins, and sizing compositions The present invention relates to terpene derivative compounds and rosins and sizing compositions comprising such compounds. Compounds of Formula (I) are disclosed in addition to rosins and sizing compositions comprising compounds of Formula (I). Fiber glass strands ... | 05/04/2010 |
| 7411035 | Acrylated natural resins An acrylated resin prepared by mixing a hydroxyalkyl acrylate and an isocyanate and reacting said mixture with a resin containing one or more hydroxyl functional groups and derived from a natural product. ... | 08/12/2008 |
| 7411036 | Acrylated natural resins An ink formulation comprising an acrylated resin prepared by mixing a hydroxyalkyl acrylate and an isocyanate and reacting said mixture with a resin containing one or more hydroxyl functional groups and derived from a natural product. ... | 08/12/2008 |
| 7037104 | Device and method for exposing a candle wick embedded in candle wax A device and method for exposing the ignitable end of a candle wick embedded in wax leaving an area around the wick to facilitate future lighting. The device includes an elongate hollow heated tube, heated by a heating source which heats the elongate hollow tube to ... | 05/02/2006 |
| 7001981 | Acrylated natural resins A method of acrylating a resin containing one or more hydroxyl functional group and derived from a natural product, comprising preparing a mixture of a hydroxyalkyl acrylate and an isocyanate; and reacting said mixture with said resin. ... | 02/21/2006 |
| 6590071 | Reversible aqueous pH sensitive lipidizing reagents, compositions and methods of use The present invention provides lipidized conjugates comprising an amino group-containing biologically active substance and a lipophilic group capable of penetrating a biological membrane. Under neutral or mildly acidic conditions, including those found in... | 07/08/2003 |
| 6583263 | Acrylated maleic-modified rosin esters and methods of preparing same A two-step method for introducing acrylic functions into high molecular weight natural resins, under mild conditions, without the risk of gellation, wherein an acrylated natural resin ester is prepared by esterifying one or more of the sterically hindered... | 06/24/2003 |
| 6407154 | Rosin modified succinamic acid The present invention relates to rosin modified succinamic acid which is useful in lowering the rebound values of rubber and increases the traction of tires containing said compound in the tread. The rosin modified succinamic acids are prepared by reactin... | 06/18/2002 |
| 6241995 | Polygala senega compositions and methods of use Novel Polygala senega saponin pharmaceutical compositions are disclosed. The P. senega saponins are useful as immunological adjuvants to enhance immune responses to a co-administered antigen.... | 06/05/2001 |
| 6172174 | Phenolic rosin resin compositions This invention relates to novel phenolic rosin resin compositions. In particular, the invention relates to novel phenolic rosin resin compositions and dienophile-modified phenolic rosin resin compositions which exhibit properties that make them useful in ... | 01/09/2001 |
| 6153693 | Elastomeric-modified phenolic rosin resins This invention relates to novel rosin-based resins and the process for preparing them. In particular, the invention relates to elastomeric-modified pigment binder compositions which exhibit properties that make them useful in formulating vehicles for lith... | 11/28/2000 |
| 5969071 | Method for preparing phenolic rosin resins This invention relates to novel phenolic rosin resins and the process for preparing them. In particular, the invention relates to novel phenolic rosin resin compositions which exhibit properties that make them useful in formulating vehicles for lithograph... | 10/19/1999 |
| 5594099 | Modified resinates A modified resinate prepared by reacting A) rosins or rosin acids with B) aldehyde components and optionally C) ,ଲ-olefinically unsaturated carboxylic acids or anhydrides thereof, subsequently reacting the resultant adduction products with D) phenols a... | 01/14/1997 |
| 5559206 | Partially esterified rosin based resins The specification describes a process for making highly functionalized rosin ester resins; i.e., partially esterified rosin based resins. The resins are produced by reacting fortified rosin with a polyol at superatmospheric pressure in a closed reaction v... | 09/24/1996 |
| 5491215 | Rosin carboxypyrrolidinone adducts This invention relates to rosin carboxypyrrolidinone adducts. In particular, this invention relates to water-soluble resins derived from the reaction product of a modified rosin with a hydroxyl-containing carboxypyrrolidinone derivative. These resins can ... | 02/13/1996 |
| 5225527 | Modified colophony resins, a process for their preparation, their use and paper-sizing agents containing colophony resins of this type Modified colophony resins are strengthened with ,ଲ-unsaturated carbonyl compounds and simultaneously converted into the corresponding intermolecular resin acid anhydrides with dehydrating agents. Paper-sizing agents which are superior to thos... | 07/06/1993 |
| 5224993 | Sizing agent for paper The present invention relates to a sizing agent which exerts excellent sizing efficiency even under severe conditions, namely, at an elevated temperature in the papermaking step, or at high conditions with a limited aluminum sulfate addition. The sizing a... | 07/06/1993 |
| 5208319 | Rosin-based grind resins for aqueous printing inks The invention is ink pigment grinding resins for waterbased printing inks which are produced by the amidation of maleated or fumarated rosin with a polyamine containing a primary amine group to produce the water soluble polyaminoamidoimide resin. The resu... | 05/04/1993 |
| 5134184 | Rosin monomaleimides The present invention relates to rosin monomaleimides which are useful as a total or partial replacement for extender or processing oil in rubber formulations. Addition of the rosin monomaleimides improve peel adhesion in rubber compositions. The rosin mo... | 07/28/1992 |
| 5073623 | Condensation products based on rosin A rosin based condensation product produced by reacting in a multistage process the following reactants, rosin, phenolic compounds, formaldehyde, unsaturated C3 -C4 dicarboxylic acid or maleic anhydride, monounsaturated or polyunsatu... | 12/17/1991 |
| 4975503 | Beta-phellandrene-maleic anhydride copolymers Copolymerization of beta-phellandrene with maleic anhydride, preferably in the presence of a free radical initiator such as AIBN, to form high molecular weight polymers (weight average molecular weight over 1,000) is disclosed. The polymerization may be c... | 12/04/1990 |
| 4975504 | Isoterpinolene-maleic anhydride copolymers Copolymerization of isoterpinolene with maleic anhydride, preferably in the presence of a free radical initiator such as AIBN, to form high molecular weight (weight average molecular weight over 1000) polymers is disclosed. The polymerization may be condu... | 12/04/1990 |
| 4963188 | Novel water-based ink composition Novel water-based ink compositions, suitable as flexographic and gravure inks, are disclosed which incorporate high molecular weight resin acid-maleic anhydride polymers. The ink compositions of this invention comprise a coloring agent and a resin vehicle... | 10/16/1990 |
| 4963630 | Copolymer of resin acids and maleic anhydride Copolymerization of maleic anhydride with the resin acids present in rosin, especially abietic-type resin acids (e.g., abietic acid and neoabietic acid), to form high molecular weight copolymers is disclosed. The polymerization is carried out in the prese... | 10/16/1990 |
| 4751025 | Rosin ester modified with unsaturated carboxylic acid function Diels-Alder adducts of the polyol esters of rosin are prepared by reaction with alpha, beta-unsaturated carboxylic acids, their esters, and anhydrides.... | 06/14/1988 |
| 4744925 | Method for producing modified rosin & ester The catalytic combination of phosphinic acid (also called hypophosphorous acid) and a phenol sulfide compound is disclosed to accelerate the reaction rate for the esterification of a modified rosin with a polyhydric alcohol, as well as provide product col... | 05/17/1988 |
| 4643848 | Modified rosin ester preparation Phosphinic acid (also called hypophosphorous acid), when used in very small quantities, is disclosed to act as a catalyst to accelerate the reaction of rosin with an unsaturated dibasic acid to form a modified rosin for subsequent esterification with a po... | 02/17/1987 |
| 4588786 | Process for producing water-soluble dicarboxylic acid imide compounds A process for producing a water-soluble dicarboxylic acid imide compound which comprises adding a primary amine compound to an aqueous solution of a water-soluble salt of a dicarboxylic acid compound containing at least one dicarboxylic acid unit capable ... | 05/13/1986 |
| 4566997 | Process for preparing resin metal salts The process for preparing a resin metal salt involves reacting a resin containing a carboxyl group and/or an anhydride group in the state of a solution in a solvent with a hydroxide, oxide or carbonate of a divalent metal in the presence of ammonia or an ... | 01/28/1986 |
| 4540635 | Modified colophony rosins, a process for their preparation, their use and paper-sizing agents containing such modified colophony rosins The colophony rosins which have been esterified with a tertiary amino alcohol are disclosed. These colophony rosins which are normally also reinforced with formaldehyde and/or an ,ଲ-unsaturated carbonyl compounds are useful in the form of an ... | 09/10/1985 |
| 4483744 | Sizing agents for cellulosic products Improved sizing compositions for cellulosic products, e.g., paper, are provided by combining first and second composition components while at least the second component is finely divided into fine liquid or solid particles. Component combination in this m... | 11/20/1984 |
| 4477613 | Stabilization of tackifying resin dispersions There is provided a stabilized aqueous base tackifier composition characterized by the presence in an aqueous medium of a resinous tackifier composition having an acid number in the range from 30 to 150 and a softening point in the range of from -40° to ... | 10/16/1984 |
| 4437894 | Sizing compositions containing a formic acid salt, processes, and paper sized wih the compositions Novel sizing comprising an aqueous mixture of ammonia, an ammonium salt of formic acid, and a rosin that is modified with from about 5 to 50 percent, based on the weight of the rosin, of an organic acidic compound selected from the group consisting of an ... | 03/20/1984 |
| 4333732 | Dyestuff preparations containing oxalkylates of modified natural rosin acids Oxalkylates of chemically modified natural rosin acids are useful for dyestuff preparations, especially for dispersions of disperse dyestuffs. The liquid and solid dyestuff preparations containing these oxalkylates are stable to storing even with high dye... | 06/08/1982 |
| 4312631 | Surface-active compounds based on natural rosin acids Compounds of the invention are obtained by oxyalkylating natural rosin acids, disproportionated rosin acids or rosin acids modified with aromatic hydroxy compounds or with cycloalkyl and especially aralkyl and aryl compounds capable of splitting off halog... | 01/26/1982 |
| 4267099 | Process for preparing aqueous dispersion of rosin-base materials This invention provides a process for preparing an aqueous dispersion of a rosin-base material by a so-called inversion method, the process being characterized in that the dispersant is at least one member selected from the group consisting of: (a) salt o... | 05/12/1981 |
| 4260550 | Modified rosin esters Novel modified rosin esters and a method of preparing these novel compounds are described. The novel compounds are useful in surfactant compositions.... | 04/07/1981 |
| 4219382 | Cationic fortified rosin size An acid-fortified rosin is reacted with a water-soluble polyalkylenepolyamine. The product is a modified rosin polyamidopolyamine. The product can be partially or completely neutralized with a rosin, thereby forming a rosin soap of the polyamidopolyamine.... | 08/26/1980 |
| 4115330 | Novel coating compositions Disclosure is made of radiation curable, solventless compositions useful in coatings, films and in preparing printing inks. The compositions comprise the reaction product of an equivalent excess of an acrylic type acid with a particular class of polyester... | 09/19/1978 |
| 4022634 | Ammonia-containing sizing compositions Novel sizing compositions comprising an aqueous mixture of ammonia, an ammonium salt, and a rosin that is modified with from about 5 to 50 percent based on the weight of the rosin, of an organic acidic compound selected from the group consisting of an ... | 05/10/1977 |