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

Icon_funbox Bizarre Patents

Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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 525/444 - Mixed with polycarboxylic acid or derivative and polyhydroxy reactant or polymer thereof


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the solid polymer derived from a
No. of patents: 1011
Last issue date: 03/27/2012


1                      
NumberTitleIssue Date
8143356Polyester resin composition, process for producing the same and molding thereof
A method for producing a polyester resin composition C), which comprises melt-kneading a polyester resin (A) which satisfies the following formulae (1), (2) and (3) and a polyester resin (B) which satisfies the following formula (4): P1≧10  (1)
03/27/2012
8106132Polyester resin composition
There is provided by the present invention a polyester resin composition containing a copolyester having hydroxy carboxylic acid units as constituent units or a polyoxycarboxylic acid, wherein hydroxy carboxylic acid units of 5 or less carbon atoms are contained in ...
01/31/2012
8106133Elastomer molding for endoscope
The invention provides a flexible tube for an endoscope, which is excellent in elasticity (impact resilience), has suitable flexibility and also has chemical resistance. Disclosed is a flexible tube for an endoscope including a flexible-tube material covered thereon...
01/31/2012
8071695Polyeste blends with improved stress whitening for film and sheet applications
Disclosed are polyester blends that provide improved stress whitening behavior. The blends may be prepared from a polyester having crystallization half-time of at least 5 minutes and a polyester elastomer. The polyesters blends may be extruded or, in the presence of...
12/06/2011
7960482Low gloss coil powder coating composition for coil coating
A powder coating composition obtainable by homogeneous mixing of at least two separately produced powder coating compositions as powder coating bases to yield coating compositions having good storage stability and coatings with controlled low gloss levels as well as...
06/14/2011
7572865Polyester films
The present invention is a polyester film obtained by blending 10-90 wt % of polyester (A) containing ethylene terephthalate as a main constituent component and 90-10 wt % of crystalline polyester (B) different from this polyester (A), which has a half value width o...
08/11/2009
7442427Coextruded, hot-sealable and peelable polyester film, process for its production and its use
This invention relates to coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of a) 80-98% b...
10/28/2008
7432324Preparing aqueous dispersion of crystalline and amorphous polyesters
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...
10/07/2008
7425594Copolymer of glycidyl ester and/or ether with polyol
A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X ...
09/16/2008
7399518Polyester film
The present invention provides a polyester film superior in heat resistance, chemical resistance, insulation property and thermal dimensional stability, and suitable for application to fields associated with boiling or retort treatment, which require tenacity, pinho...
07/15/2008
7396428Laser weldable polybutylene terephthalate-series resin composition, and shaped article
A laser weldable PBT-series resin composition comprises a polybutylene terephthalate (PBT)-series resin (A), and at least one resin (B) selected from the group consisting of a polycarbonate-series resin (b1), a styrenic resin (b2), a polyethylene terephthalate-serie...
07/08/2008
7396578Adhesion-promoted , heatsealable and peelable polyester film, process for its production and its use
Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 60 to 99% by weight of polyester and ...
07/08/2008
7393590Biodegradable poly(lactic acid) polymer composition and films, coatings and products comprising Biodegradable poly(lactic acid) polymer compositions
The present invention relates to biodegradable polymer compositions comprising poly(lactic acid) and poly(epsilon caprolactone) and co-polyester polymer with adipic acid mixed with organic peroxide and magnesium silicate minerals. In addition, the present invention ...
07/01/2008
7388058Polyester blend compositions and biodegradable films produced therefrom
A polyester blend composition that comprises at least two copolymers selected from certain copolymers, particularly blends of branched and linear biodegradable copolymers. Also provided is a blown film that is produced from the polyester blend composition, and a pro...
06/17/2008
7365133Blends of poly(ester amide) polymers
Provided herein is a poly(ester amide) (PEA) polymer blend and coatings and medical devices formed of the blend. ...
04/29/2008
7358325Sulfonated aromatic copolyesters containing hydroxyalkanoic acid groups and shaped articles produced therefrom
Sulfonated aromatic copolyesters and articles made therefrom, and processes for producing the sulfonated aromatic copolyesters and articles are provided. Articles that can be made from the sulfonated aromatic copolyesters include films, coatings and laminates. Some ...
04/15/2008
7357972Support as or for a paper machine clothing
A liquid-permeable support for a paper machine clothing that is usable in the press section of a paper machine includes a support having at least two plies that brace against one another via discrete bracing elements. At the points where the plies brace against one ...
04/15/2008
7354887High temperature LCP for wear resistance
A high temperature liquid crystalline polyester (LCP) composition, and articles made therefrom, that provides “good” to “excellent” wear resistance at PVs (pressure×velocity) of at least 1.75 MPa-m/s (50,000 psi-fpm). The high temperature LCP being a matrix...
04/08/2008
7342086Aliphatic polyester polyether copolymer, process for producing the same and aliphatic polyester composition using the copolymer
An aliphatic polyester polyether copolymer is provided having an aliphatic polyester moiety comprising 35 to 50 molar % of an aliphatic diol unit, 35 to 50 molar % of an aliphatic dicarboxylic acid unit and 0 to 30 molar % of an aliphatic oxycarboxylic acid unit and...
03/11/2008
7339017Acryl-modified polyester resin composition and method of preparing the same
A condensation polymerization of apolyhydric alcohol and a polybasic acid in a solvent is performed to give a polyester resin. The polyester resin and an unsaturated polybasic acid are polymerized to give a polyester resin intermediate of following formula (1) havin...
03/04/2008
7338698Homogeneously branched ethylene polymer carpet, carpet backing and method for making same
The present invention pertains to carpet and methods of making carpet. In one aspect, the carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary ...
03/04/2008
7334298Writing implement having deformable grip
A deformable sleeve for attachment to various products for use as a grip and/or to provide a stylish appearance. The deformable sleeve features two membranes that define a cavity filled with a formable material. The deformation of the sleeve results in greater comfo...
02/26/2008
7329453White, heatsealable, peelable polyester film, process for its production and its use
Coextruded, biaxially oriented polyester films which have a white base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 80 ...
02/12/2008
7320773Biodegradable laminate sheet and molded item from biodegradable laminate sheet
A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a lay...
01/22/2008
7318842Agents and methods for treating biodegradable synthetic yarns
An agent and method for treating biodegradable synthetic yarns fabricated from a polymer comprising lactic acid as a main component, which enable improved lubricity, cohesion, etc. to be so imparted to the biodegradable synthetic yarns that the yarns can be prevente...
01/15/2008
7309756Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp...
12/18/2007
7304123Processes for shaping macrocyclic oligoesters
In one aspect, the invention relates to processes for producing substantially free-flowing shapes of macrocyclic oligoester, wherein the freshly-shaped macrocyclic oligoester is maintained at elevated temperature for a sufficient time. In certain embodiments, the sh...
12/04/2007
7285322Multilayer, transparent film made from polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) for producing packaging composites with UV protection
The invention relates to an at least two-layer polyester film with a total thickness of from 5 to 200 μm which comprises, alongside polyethylene terephthalate, from 2 to 20% by weight—based on the weight of the entire film—of polyethylene naphthalate (PEN), whe...
10/23/2007
7273897Ink jet ink composition
An ink jet ink composition of water, a humectant, and a hyperbranched polymeric dye of a hyperbranched polymer having a dye chromophore pendant on the polymer chain or incorporated into the polymer backbone. ...
09/25/2007
7267864Image supporting material, method for use thereof and image forming apparatus utilizing the same
The present invention provides an image supporting material for fixably supporting a color toner image, the material including a base material, a light scattering layer provided on the base material and containing a white pigment and a thermoplastic resin, and a col...
09/11/2007
7262234Process for preparing value-added RPET containing polymer blend component
A process for preparing an RPET polymer blend component comprises providing a quantity of RPET flakes, comminuting the RPET flakes to prepare RPET particles having an average mean particle size from about 500 microns to about 5 microns, adding at least one specialty...
08/28/2007
7262262Resin composition for toner and toner
The present invention has for its object to provide a resin composition for toner exhibiting excellent low temperature fixation performance, high temperature offset-resistance and anti-blocking performance and enabling a satisfactory color development, as well as a ...
08/28/2007
7253251Water soluble thermosetting polyester resin composition and method of preparing the same
A water soluble thermosetting polyester resin composition for undercoating a PCM steel sheet is prepared from about 100 parts by weight of thermosetting polyester resin obtained by condensing polyethylene terephthalate using glycol and polybasic acid, about 5-20 par...
08/07/2007
7250485Polyester resin composition for toner and toner
A toner resin composition comprising a linear polyester resin (A) containing a C3 to C10 aliphatic diol component and a linear polyester resin (B) containing a C3 to C10 aliphatic diol component which differs from the line...
07/31/2007
7241832Biodegradable polymer blends for use in making films, sheets and other articles of manufacture
Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically h...
07/10/2007
7238417Transparent film made from PET and PEN with UV protection, process for producing the film, and use of the film in packaging with extended shelf life
The invention relates to a polyester film with a thickness of from about 4 to about 23 μm, which comprises, alongside polyethylene terephthalate as main constituent, from about 2 to about 20% by weight of polyethylene naphthalate (based on the weight of the film), ...
07/03/2007
7235621Process for producing copolyester
Process for producing a copolyester of desired quality at low cost with high productivity, preferably a process for producing P(3HB-co-3HH) of 4 mol % or more 3HH content with a productivity as high as 40 g/L or more. In particular, a process for producing a copolye...
06/26/2007
7229696Multilayer, transparent film made from PET and PEN with at least one functional outer layer for producing composite packaging with UV resistance
The invention relates to an at least two-layer polyester film with a total thickness of from about 5 to about 200 μm which comprises polyethylene terephthalate and from about 2 to about 20% by weight—based on the weight of the entire film—of polyethylene naphth...
06/12/2007
7229581Process for producing a thermoplastic film using plastic bottle recyclate
Invention relates to a process for producing a single-layer or multilayer film by extrusion or coextrusion, biaxial orientation, and heat setting based on crystallizable thermoplastics whose principal constituent is a crystallizable thermoplastic having a standard v...
06/12/2007
7223459Coextruded, hot-sealable and peelable polyester film, process for its production and its use
This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least CPET, the heatsealable and peelable top layer (A) consisting of ...
05/29/2007
1                      
 
Sign InRegister
Username  
Password   
forgot password?