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

Icon_funbox Did You Know...

...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.

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 524/605 - Derived from terephthalic acid or derivative


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the carboxylic acid or derivative
No. of patents: 414
Last issue date: 12/06/2011


1                      
NumberTitleIssue Date
8071677Process for preparing polyester composite materials
A process is provided for preparing polyester composite materials, comprising polymerizing at least one polyester precursor in the presence of filler microparticles and/or nanoparticles and organosilane having nucleophilic functionality. The organosilane is added as...
12/06/2011
7923506Molding compositions containing modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)
A molding composition comprising: (a) from 40 to 99.99 wt % of a modified polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate component selected from the group consisting of polyethylene ...
04/12/2011
7820756Polymeric composition suitable for manufacturing heat sealable films or sheets
A polymeric composition suitable for manufacturing heat sealable films or sheets comprising, polyethylene terephthalate (PET) to the extent of about 80% to 95% by mass of the total composition; a polymer additive for lowering the melting point of the composition sel...
10/26/2010
7638578Aqueous dispersion of crystalline and amorphous polyesters prepared by mixing in water
Processes for generating aqueous dispersions for use in the emulsion/aggregation technique, by combining crystalline polyester resin, amorphous polyester resin and water, heating and agitating the mixture and generating an aqueous dispersion containing both crystall...
12/29/2009
7408001Aqueous coating of hydroxy- and acid-functional copolymer and crosslinker
The invention relates to aqueous crosslinkable binder dispersions comprising hydroxy-functional copolymers based on ethylene glycol monoallyl ether, to a process for preparing them and to the use of the dispersions in coating materials. ...
08/05/2008
7288586Polyester based cobalt concentrates for oxygen scavenging compositions
A solid concentrate is provided having a combination of a transition metal present in an amount ranging from 1000 to 40,000 ppm (weight by metal) and a polyester polymer present in an amount of at least 40 wt. % based on the weight of the concentrate. Concentrates m...
10/30/2007
7250486Method and apparatus for crystallizing polymer particles
The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa...
07/31/2007
7223807High dielectric resin composition
An object of the present invention is to provide a resin composition which is capable of manufacturing a high dielectric resin film having high dielectric constant and small dielectric loss tangent. And the present invention provides high dielectric resin compositio...
05/29/2007
7196123Polyester block copolymer composition and process for the preparation thereof
The invention provides a polyester block copolymer composition (R) obtained by thermally-processing a polyester block copolymer composition (Q) obtained by melt-mixing 100 parts by weight of a polyester block copolymer (P) with 0.1–5 parts by weight of an epoxy co...
03/27/2007
7129278Aqueous polymer dispersions
The overall performance of water-reducible polymer dispersions, more specifically alkyd dispersions, can be substantially improved by utilizing resins derived from acidolysis reaction products of polyalkylene terephthalates and polyalkylene naphthalates. According t...
10/31/2006
7105106Liquid crystalline polymers, processes for their manufacture, and articles thereof
Thermotropic liquid crystalline polymers are produced by the reaction of a polyester made from an aromatic dicarboxylic acid and a diol, one or more hydroxycarboxylic acids, a stoichiometric excess of an aromatic diol, and a carboxylic acid anhydride. Also disclosed...
09/12/2006
H2169Method of manufacturing partially crystalline polyester articles
A method of making a polyethylene terephthalate/polyolefin blend for sheeting and thermoformed articles which has improved color stability and can be recycled many times. A heat stabilizer is melt blended only with the polyolefin prior to its incorporation into the ...
09/05/2006
7101597Medical devices made from polymer blends containing low melting temperature liquid crystal polymers
A medical device, at least a portion of which is composed of a polymeric material in which the polymeric material is a melt blend product of at least two different thermoplastic polymers, one of the thermoplastic polymers being a thermoplastic liquid crystal polymer...
09/05/2006
7026026Balloons made from liquid crystal polymer blends
Balloons for use on medical devices such as catheter balloons are formed from polymer blend products which include a liquid crystal polymer (LCP), a crystallizable thermoplastic polymer, especially thermoplastic polyesters such as PET, and a compatabilizer. The comp...
04/11/2006
7022760Crosslinkable binder dispersions
The invention relates to aqueous crosslinkable binder dispersions comprising hydroxy-functional copolymers based on ethylene glycol monoallyl ether, to a process for preparing them and to the use of the dispersions in coating materials. ...
04/04/2006
6977103Dimensionally stable balloons
An inflatable medical balloon comprises a polymer matrix material and a plurality of fibers distributed in the matrix material. The plurality of fibers operatively adhere to the matrix material and provide reinforcement thereof. The fibers may be parallel or angular...
12/20/2005
6974606Thermoplastic coating for composite structures
A method of thermoplastic coating composite structures includes heating a tool. A thermoplastic layer is deposited onto the heated tool by thermal spraying a thermoplastic on the heated tool. Composite material is applied onto the thermoplastic layer. The thermoplas...
12/13/2005
6951899Blend compositions of hard and soft crosslinkable acrylate copolymers
To provide a method for producing a blend composition of an acrylic type polymer having an excellent mechanical characteristic as well as a low temperature characteristic, and to provide a blend composition of an acrylic type polymer, and also to provide a blend com...
10/04/2005
6881785Dispersions of amorphous unsaturated polyester resins based on particular Dicidol isomers
An aqueous dispersion based on an amorphous unsaturated polyester resin obtained by polycondensing a mixture of Dicidol isomers and one or more saturated and/or unsaturated dicarboxylic acids. ...
04/19/2005
6861468Polyester resin composition
A polyester resin composition containing a thermoplastic polyester resin; a polyester copolymer containing a monomer having at least one of an amino group, an imino group, an amido group, and a sulfonic acid group; a layered silicate; and an antioxidant. The monomer...
03/01/2005
6838018Liquid crystalline polyester resin composition and its molded article
An object of the present invention is to provide a liquid crystalline polyester resin composition to produce a molded article without generating black foreign materials even if exposed to high temperature. This object is achieved by providing a liquid crystalline po...
01/04/2005
6833405Compositions containing liquid crystalline polymers
Excellent tracking index as well as flame-resistant properties are achieved with other desirable characteristics of LCPs in a resin composition consisting essentially of: a) a wholly aromatic polyester which is melt processible and which displays anisotropy in the m...
12/21/2004
6794432Transparent, flame retardant, thermoformable oriented film made from cristallizble thermoplastics materials, production method and the utilization thereof
The invention concerns transparent, flame-retardant, single layered or multilayered thermoformable films, containing a crystallizable thermoplastic material, preferably polyethyleneterephthalate, and at least one flame retarding agent as main components. Said films ...
09/21/2004
6786964Fine particle of aluminum hydroxide for filling resin and resin composition using the same
A fine particle of aluminum hydroxide is disclosed, comprising a particulate aluminum hydroxide X having a specific surface area of 1.0 m2/g or less and a secondary particle size of 35 to 150 μm, a particulate aluminum hydroxide Y having a specific surfa...
09/07/2004
6767956Extrusion process
A process for producing an aqueous dispersion of a polymer in an aqueous medium having a viscosity below 10 Pa.s, in which the polymer is dispersed in an aqueous medium in an extruder at a temperature above 100° C., the pressure inside the extruder being maintained...
07/27/2004
6762235Polybutylene terephthalate resin and compositions and molded articles comprising the resin
A polybutylene terephthalate resin having 30 eq/t or less of carboxyl end group, a crystallization temperature in a temperature decrease of 175° C. or higher and an amount of residual tetrahydrofuran of 300 ppm by weight or less; and compositions and molded article...
07/13/2004
6759458Thermoplastic molding composition and its use for laser welding
A black thermoplastic molding composition which containing a dye combination made from nonabsorbing, non-black polymer-soluble dyes which produce a black thermoplastic molding composition which is translucent or transparent to laser light. ...
07/06/2004
6699931Modified alkyd compositions comprising diol latex compositions and processes of making the same
The present invention relates to modified alkyd polymers, and compositions made from such polymers, wherein the alkyd polymers are modified with polyol-containing latex compositions and/or diol-containing latex compositions. The invention further relates ...
03/02/2004
6573340Biodegradable polymer films and sheets suitable for use as laminate coatings as well as wraps and other packaging materials
Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials manufactured from at least one "hard" biopolymer and at least one "soft" biopolymer. "Hard" biopolymers tend to be more brittle and rigid and typically have a...
06/03/2003
6569928Phosphorus-containing fire retardant thermoplastic polyester composition
A fire retardant thermoplastic polyester comprising a phosphorus containing additive and a high charring polymer containing benzene rings in its main polymer backbone and that has a softening point of no less than about 120° C. exhibits improved fire res...
05/27/2003
6548595Heat-shrinkable thermoplastic resin films
Heat-shrinkable thermoplastic resin films suitable for use as labels on the bottles, particularly as full labels on the PET bottles, wherein the heat shrinkability in the main shrinkage direction of the film is 5% to 60% after treatment in hot water at 70...
04/15/2003
6503982Process for gelling aqueous media, use of copolyesters as gelling agents for aqueous media and new gelling copolyesters for aqueous media
Process of gelification of aqueous medium with a copolyester oligomer comprising essentially oxyalkylenated or ocycycloalkylenated or polyoxyalkylenated dicarboxylate units at least 35 mole % of said units being similar units of which the correspondent ho...
01/07/2003
6476158Process for colored polycarbonate-polyester compositions with improved weathering
A process for preparing a high gloss retention resin molding formulation comprising a polyester resin and a polycarbonate resin where the process comprises the steps of selecting a desirable colorant which is stable at molding temperatures and has desirab...
11/05/2002
6461698Polyester compositions
The invention relates to a composition comprising from 20 to 70 parts by weight of poly[ethylene terephthalate] (PET), from 20 to 70 parts by weight of poly[ethylene naphthalate] (PEN) and from 10 to 33 parts by weight of poly[butylene terephthalate] (PBT...
10/08/2002
6420047Macrocyclic polyester oligomers and processes for polymerizing the same
A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macro...
07/16/2002
6384108Waterfast ink jet inks containing an emulsifiable polymer resin
An ink for ink jet printing includes submicron-sized particles in a liquid vehicle, with the submicron-sized particles including a colorant dispersed in an emulsifiable polymer resin. The polymer resin may contain a base chain, such as polyester, having h...
05/07/2002
6297315Process for preparing polytrimethylene terephthalate
The pelletized product of melt condensation polymerization of 1,3-propanediol and terephthalic acid (or alkyl ester thereof) is crystallized by immersion in water at a temperature within the range of 60 to about 100° C. Hot-water treatment increases the ...
10/02/2001
6187848Glass filled polyester compositions with improved color stability
A polyester molding composition reinforced with fiber glass or other silica based filler which has color stability at relatively high temperatures and comprises (a) from 40 to 97 weight percent of a polyester resin; (b) from about 3 to about 60 weight per...
02/13/2001
6174943Flame-retardant thermoplastic resin composition
A flame retarded thermoplastic resin composition comprising (R) a thermoplastic resin comprising (A) a polycarbonate resin and (B) an aromatic polyester resin in an (A)/(B) ratio of 99/1 to 50/50 by weight, and per 100 parts by weight of the thermoplastic...
01/16/2001
6127473Polyester film
Provided is a polyester film containing a lubricant having an average particle diameter of 0.001 to 2.5 μm in an amount of 0.01 to 5.0% by weight and suited for the lamination onto the surface that comes in contact with the contents of an easy-open can c...
10/03/2000
1                      
 
Sign InRegister
Username  
Password   
forgot password?