U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5593111

Safety System For Remove a Rider From a Vehicle by Deploying a Parachute

Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 530/232 - Esterification of tall oil acids, or product thereof


Subclass of Class 530 - Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof
Definition: Processes wherein the acids present in tall oil are esterified,
No. of patents: 32
Last issue date: 04/12/2011


NumberTitleIssue Date
7923531Acrylated maleic-modified rosin ester and method of preparation
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 hydroxy gr...
04/12/2011
7388070Structure-based approach to design of inhibitors of protein-processivity factor interactions
A method for the structure-based identification and selection of inhibitors of processivity factor binding to protein is disclosed herein. Characterization of the protein/processivity factor interface is given. Methods for the structure-based inhibition of processiv...
06/17/2008
7341617Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alkenyl, C6...
03/11/2008
7323609Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alken...
01/29/2008
7253138Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability
The invention provides the compounds of the formula (1) where R1 is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl ...
08/07/2007
7238647Method and fluid for controlling the saturation of a formation around a well
The present invention relates to a method and to a fluid for drilling or workover in a well running through a porous permeable formation, wherein a water-based well fluid circulates in said well. In the method, at most 3% by weight of a composition obtained from fat...
07/03/2007
7160507Corrosion inhibitors with improved water solubility and improved film persistence
The invention relates to an additive and to a method of corrosion inhibition on devices for the recovery and transportation of hydrocarbons in crude oil recovery and processing by adding an effective amount of an inhibitor. The inhibitor comprises an alkoxylated qua...
01/09/2007
6797753Plasticizers derived from vegetable oils
Compositions and methods for plasticizing polyvinyl chloride polymers where the plasticizers contain fatty acids derived from vegetable oils and the fatty acids are substantially fully esterified with an alcohol (monool or polyol), the fatty acids having unsaturated...
09/28/2004
6590070Thermosetting adhesive composition and adhered structure
This invention provides thermosetting adhesives which have properties advantageous for bonding electronic parts that are capable of being cured using a low dose of radiation such as electron beam. The thermosetting adhesive of the invention comprises (a) ...
07/08/2003
6583263Acrylated 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
6171385Adhesive mixture suitable for mounting and demounting a semiconductor wafer
A method of mounting and demounting a semiconductor wafer, in which a temperature dependent adhesive and curable joint is provided by an adhesive mixture between the semiconductor wafer and a carrier plate. The adhesive mixture contains a colophonium resi...
01/09/2001
6153693Elastomeric-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
5874507Polyepichlorohydrin-based tri-block additive for surface modification of polymer films and articles
The specification discloses a method and additive for increasing the surface activity of non-polar polymeric materials, and a non-polar polymeric material exhibiting increased surface activity. The invention employs an additive of the formula A-B-A1
02/23/1999
5830992Light color, color stable rosin esters and methods for preparing same
Rosin esters that are both light colored and color stable are produced by reacting polyhydric alcohol with an equivalent excess of rosin, in the presence of calcium bis(monoethyl(3,5-di-tert-butyl-4-hydroxybenzyl)phosphonate. When phosphinic acid is ...
11/03/1998
5698668Modified natural-resin acid esters, processes for their preparation, and their use as binder resins in printing inks
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) ଱,ଲ-ethylenically unsaturated carboxylic acids or their ...
12/16/1997
5210325Alkoxylation process catalyzed by supported rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
05/11/1993
5162589Alkoxylation process catalyzed by sodium- or potassium barium phosphate
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
11/10/1992
5152916Aqueous aldehyde solutions for trapping hydrogen sulfide in natural gas and crude oil producing plants
Aqueous aldehyde solutions for trapping hydrogen sulfide comprising 5 to 50% by weight of an aldehyde and 1 to 5% by weight, relative to the aldehyde solution of a formulation comprising 10 to 80% by weight of an ester of oxalkylated alkylalkylenediamines, whi...
10/06/1992
5059719Alkoxylation process using catalyst of the lanthanum series
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more C2 to C4 vicinal alkylene oxides with an act...
10/22/1991
5057628Alkoxylation process catalyzed by compounds of the rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
10/15/1991
5057627Alkoxylation process catalyzed by phosphate salts of the rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
10/15/1991
5026923Alkoxylation process catalyzed by borate salts of the rare earth elements
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
06/25/1991
4997912Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines
Fatty acid esters of oxalkylated alkylalkylenediamines, which may be quaternized: Esters of oxalkylated alkylalkylenediamines, which may be quaternized, of the formula ##STR1## where the individual symbols have the meaning given in the description, ...
03/05/1991
4962186Method of improving the color of tall oil rosin esters by recrystallizing and distilling rosin followed by esterifying
A method of improving the color of tall oil rosin esters comprising the sequential steps of (a) recrystallizing a tall oil rosin from a solvent, (b) purifying the crystalline portion by distillation, and (c) esterifying the resultant rosin with a polyol....
10/09/1990
4960952Alkoxylation process catalyzed by lanthanum silicates and metasilicates
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen containing reactan...
10/02/1990
4957511Coal-water dispersion agent
A dispersing agent for solid particles in water, which is a tall oil pitch partially esterified with a polyalkylene glycol mainly composed of ethylene oxide units of a molecular weight of above 600 or a monoester or monoether thereof and optionally also a...
09/18/1990
4615836Process for preparing alkylmercaptoalkyl esters
A process for preparing an alkylmercapto ester by reacting an alkyl mercaptoalkanol with an organic carboxylic acid or an organic anhydride in the presence of a titanium-containing catalyst....
10/07/1986
4576643Rust preventive and process for the preparation thereof
Rust preventive containing as binder agent a talloil pitch esterified by means of an alcohol and having an acid number between 0 and 15 mg KOH/g and a process for preparing a binder agent by esterifying a talloil pitch having an acid number between 17 and...
03/18/1986
4360615Addition agent composition
Modified tall oil pitch is blended with a metallurgical addition agent and briquetted, extruded, molded, pelletized, or tabletized into a unitary composition. The tall oil pitch is modified chemically to increase the molecular weight and improve the bindi...
11/23/1982
4166151Novel corrosion-inhibiting ester compositions
Esters of C10-25 aliphatic carboxylic acids (especially oleic acid) and C15-40 aliphatic alcohols (especially alcohol mixtures) are useful for protecting metal surfaces against corrosion, especially by acidic vapors. They may be appl...
08/28/1979
4070350Epoxidized mixed mellitate compounds
Epoxidized mixed mellitate compounds useful as plasticizers for vinyl polymers such as polyvinyl chloride and which have markedly improved resistance to oils and hydrocarbon extraction have been prepared. The mixed mellitate plasticizers of this invention...
01/24/1978
 
Sign InRegister
Username  
Password   
forgot password?