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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 528/480 - TREATING POLYMER CONTAINING MATERIAL OR TREATING A SOLID POLYMER OR A RESINIFIABLE INTERMEDIATE CONDENSATION PRODUCT


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Processes under Class 520, ... wherein a solid polymer
No. of patents: 679
Last issue date: 05/22/2012


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NumberTitleIssue Date
8183337Method of purifying ethylene vinyl alcohol copolymers for use with implantable medical devices
Methods for the purification of ethylene vinyl alcohol copolymers are provided. ...
05/22/2012
8163868Reduction of whitening of polymer parts
This invention relates to a process for producing non-whitening molded articles of poly(trimethylene terephthalate) (PTT) with reduced whitening by treating the articles with heat. ...
04/24/2012
8101710Membrane separation process for removing residuals from polyamine-epihalohydrin resins
This invention relates to a process for preparing polyamine-epihalohydrin resins having reduced levels of residuals. The process comprises (a) charging a membrane separation apparatus with an aqueous composition comprising at least one polyamine-epihalohydrin resin,...
01/24/2012
8063175Sintering ultrahigh molecular weight polyethylene
Methods of making ultrahigh molecular weight polyethylene (UMWPE) having increased strength and/or wear resistance, such as high yield strength, high tensile strength, high load strength, and/or high impact strength. Some embodiments include making UHMWPE having inc...
11/22/2011
8030441Method and plant for rendering inert toxic substances in uncompacted residual material containing hardenable resin and aggregrates
A loose mixture formed of one or more solid inert materials and a hardenable resin dissolved in an organic solvent, in particular the remainder of the initial mix used for the manufacture of conglomerate stone sheets, is rendered inert by means of dielectric heating...
10/04/2011
8003752Sintering ultrahigh molecular weight polyethylene
Articles made of and/or including ultrahigh molecular weight polyethylene (UMWPE) having increased strength and/or wear resistance, such as high yield strength, high tensile strength, high load strength, and/or high impact strength. Some embodiments of articles made...
08/23/2011
7932349Membrane separation process for removing residuals polyamine-epihalohydrin resins
This invention relates to a process for preparing polyamine-epihalohydrin resins having reduced levels of residuals. The process comprises (a) charging a membrane separation apparatus with an aqueous composition comprising at least one polyamine-epihalohydrin resin,...
04/26/2011
7906613Process for removing cations from polyareneazole fiber
The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber. ...
03/15/2011
7902323Methods of fabricating plasticized, antiplasticized and crystalline conducting polymers and precursors thereof
Methods of forming materials containing precursors to electrically conductive polymers and electrically conductive polymers are described which have a high degree of crystallinity. The high degree of crystallinity is achieved by preparing the materials under conditi...
03/08/2011
7893194Single solvent polymer extraction methods
This invention relates to single solvent polymer extraction methods. ...
02/22/2011
7888455Polycarbonate copolymer, method for producing the same, molded body, optical material, and electrophotographic photosensitive body
A polycarbonate copolymer contains: 0.1 to 50 mol % of a monomer unit represented by the following formula (1); and a monomer unit represented by the following formula (2). In the polycarbonate copolymer, the content of biphenols having a structure represented by th...
02/15/2011
7863410Sintering ultrahigh molecular weight polyethylene
Methods of producing ultrahigh molecular weight polyethylene compositions of highly beneficial sintering characteristics are disclosed herein. Some embodiments provide for adding small amounts of a co-monomer to the polyethylene to improve various characteristics, i...
01/04/2011
7863409Method of separating resin
A separation object including at least two types of resins with different glass transition temperatures (glass transition temperature of a first resin 1
01/04/2011
7838628System for removing contaminants from plastic resin
A resin recycling system that produces essentially contaminant-free synthetic resin material in an environmentally safe and economical manner. The system includes receiving the resin in container form. A grinder grinds the containers into resin particles. The partic...
11/23/2010
7834137Process for producing aqueous fluorinated polymer dispersion having reduced content of fluorinated emulsifier
Provided is a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier by using a weakly basic anion-exchange resin to adsorb and remove a fluorinated emulsifier with excellent efficiency from an aqueous fl...
11/16/2010
7803899Methods to reduce organic impurity levels in polymers and products made therefrom
Various methods are described for preparing dry water-soluble polymers with reduced organic impurity content by combining water-soluble polymer in water with at least one dry polar solvent to form a mixture that separates into a first layer comprising a majority of ...
09/28/2010
7795376Single solvent polymer extraction methods
A method of isolating a PHA, includes combining the PHA, a first solvent and a second solvent to form a combination, the first solvent being capable of forming an azeotrope with the second solvent; and heating the combination to form the azeotrope of the first and s...
09/14/2010
7790842Polymer treatment
A process for the separation of volatile material from particulate polymer discharged from a polymerisation reactor in the form of a polymer slurry and which has been substantially freed from unreacted monomer in an earlier separation step, comprising ...
09/07/2010
7790841Increasing the rate of crystallization of engineering thermoplastics
Method for enhancing the crystallization rates of engineering thermoplastics through the use and incorporation of particulate additives with dimensions on the order of 10-1000 nm is described. The presence of nanoparticles at concentrations of, e.g., less than 10 we...
09/07/2010
7790840Crystallizing conveyor
A method of crystallizing a plurality of polymeric pellets includes a step of introducing the pellets into a pneumatic conveying system with an initial average temperature. The plurality of polymeric pellets are pneumatically transferred from the inlet to an outlet ...
09/07/2010
7786253Apparatus and method for oxidation and stabilization of polymeric materials
An apparatus for treating polymeric materials comprises a treatment chamber adapted to maintain a selected atmosphere; a means for supporting the polymeric material within the chamber; and, a source of plasma-derived gas containing at least one reactive oxidative sp...
08/31/2010
7786252Preparation of transparent multilayered articles
Disclosed is a process for the preparation of multilayered, shaped articles having high transparency and low haze having at least one layer contains one or more thermoplastic polymers selected from polyesters, polycarbonates, and homogeneous blends thereof, and a se...
08/31/2010
7776998Polymer treatment
A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the particulate polymer to a purge vessel, optionally causing it to move throug...
08/17/2010
7763703Synthetic rubber with narrow molecular weight distribution, a process for its preparation and a method of use
A novel process is used to prepare synthetic rubbers (B) which feature very narrow molecular weight distribution and a correspondingly low value for the polydispersity index. The preparation process encompasses the treatment of a synthetic rubber with ultrasound, wh...
07/27/2010
7759455Process for preparing a polymer powder extract
A process for preparing a polymer powder extract from a mixture of a polymer powder and a first particulate material reduces the level of particulate contamination of the polymer powder by exploiting the different behaviour of the particulate material and the polyme...
07/20/2010
7754849Devolatilizer nozzle
A devolatilizer nozzle comprising at least one perforated flow tube having a non-circular cross-section. In an embodiment, the non-circular cross-section has equal to or greater than 3 sides. The non-circular cross-section of said nozzle may be a triangle, diamond, ...
07/13/2010
7718761Heat treatment method of thermoplastic resin film and apparatus thereof
An aspect of the invention provides a heat treatment method of a thermoplastic resin film comprising running a strip shaped thermoplastic resin film in a longitudinal direction and heating the thermoplastic resin film while holding the edge of the film in a width di...
05/18/2010
7705114Method for producing polymer organic electronic material, polymer organic electronic material, and organic electroluminescent device
A method for producing a polymer organic electronic material comprising: synthesizing a polymer organic electronic material by condensing a precursor monomer for the polymer organic electronic material in the presence of a metal catalyst, preparing a polymer organic...
04/27/2010
7687600Invertible amphiphilic polymers
Amphiphilic monomeric compounds and corresponding homopolymers and copolymers capable of assembly and invertible configuration in introduction to and change in fluid medium. ...
03/30/2010
7674878Method for producing non-sticking granules from a polyester material and for the further processing of granules produced in this way
Disclosed is a method of producing a non-adhering granulate above the glass-transition temperature comprising a polyester material, in which the polyester material is introduced into a cooling water flow as a melt and is separated from the cooling water after passin...
03/09/2010
7674877Thermal crystallization of polyester pellets in liquid
A process for thermally crystallizing a polyester polymer by introducing pellets into a liquid medium having a temperature of at least 140° C. within a liquid medium zone and crystallizing the submerged pellets at or above the vapor pressure of the liquid medium wi...
03/09/2010
7649078Apparatus and method for stabilization or oxidation of polymeric materials
An apparatus for treating polymeric materials comprises a treatment chamber adapted to maintain a selected atmosphere at a selected temperature; a means for supporting the polymeric material within the chamber; and, a source of ozone-containing gas, which decomposes...
01/19/2010
7638596Crystallizer temperature control via jacketing/insulation
A method of crystallizing a plurality of crystallizable polymer pellets includes a step in which the pellets passed through regions that are temperature adjusted by a heat transfer jacket. The heat transfer jacket adjusts the temperature of the pellets by having a t...
12/29/2009
7638595Method of recycling of commingled plastics waste to tough thermoplastic materials
A method of recycling commingled plastics waste containing min. 30 wt. % of polyolefins to a tough thermoplastic material, based on the compatibilization of the polymer components of commingled plastics waste with an admixture of 2-15 wt. % of an ethylene--propylene...
12/29/2009
7629435Method for producing masticated rubber
A method for producing a masticated rubber, which comprises the steps of masticating rubber at a shear rate of from 500 to 4,500 (l/s); and obtaining masticated rubber having a weight-average molecular weight of from 100,000 to 1,300,000. ...
12/08/2009
7598339Method for removing residual monomers from polyoxymethylenes
A process for removing residual monomers from polyoxymethylene homo- or copolymers, comprising the following process steps: a) the residual monomers are removed in gaseous form as vapors from the polymer in a devolatilization apparatus, b) ...
10/06/2009
7585935Purified polymeric materials and methods of purifying polymeric materials
A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced levels of particulate impurities....
09/08/2009
7576173Single solvent polymer extraction methods
The present invention provides methods for isolating a PHA. The method comprises combining the PHA, a first solvent and a second solvent to form a combination, the first solvent and the second solvent being capable of forming an azeotrope with the second solvent; an...
08/18/2009
7557179Poly(arylene ether) fractionation method
A poly(arylene ether) may be fractionated into higher and lower molecular weight fractions by forming a mixture that includes a poly(arylene ether) starting material, a first solvent that is dichloromethane, bromochloromethane, dibromomethane, or a mixture thereof, ...
07/07/2009
7550555Sintering ultrahigh molecular weight polyethylene
Ultrahigh molecular weight polyethylene compositions of highly beneficial sintering characteristics are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described. ...
06/23/2009
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