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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Scherzer; Dietrich
Address:
Neustadt, DE
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
8293823 Flowable thermoplastic materials with halogen-free flame protection October 23, 2012
Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53
8278381 Flowable thermoplastics with halogen flame retardancy system October 2, 2012
Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 5324
8263716 Fluid polyester molding masses September 11, 2012
Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester B) from 0.01 to 50% by weight of a highly branched or hyperbranched polyester of A.sub.xB.sub.y type where x is at least 1.1 and y is at least 2.1 C) from 0 to 60% by
7655705 Open-cell foam composed of high-melting point plastics February 2, 2010
The present invention relates to an open-cell foam, and to a process for producing this open-cell foam by melting a thermoplastic, or a mixture comprising a thermo-plastic, giving a melt, mixing the melt with at least one blowing agent under pressure, and foaming the melt comprising the
7045082 Production of foam webs from high-temperature-resistant polysulfones or polyether sulfones May 16, 2006
The invention relates to a process for producing foam webs by foam extrusion of a mixture of a polysulfone or polyether sulfone and a volatile blowing agent, where the blowing agent is water or a mixture of water with an inert gas or organic liquid, e.g. an alcohol or a ketone.
6329440 Preparation of polyisocyanate polyaddition products December 11, 2001
In a process for preparing polyisocyanate polyaddition products by reacting isocyanates with compounds which are reactive toward isocyanates, in the presence or absence of blowing agents, catalysts, auxiliaries and/or additives, the reaction is carried out in the presence of (i) particle
6229043 Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyan May 8, 2001
Mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates (raw MDI) having a reduced iodine color number and a reduced chlorine content are prepared by reacting the corresponding mixtures of diphenylmethanediamines and polyphenylpolymethylenepolyamines wit
6191179 Preparation of polyurethane foams February 20, 2001
A process for the preparation of foamed plastics materials based on polyisocyanate polyaddition products by the reaction of isocyanates with isocyanate-reactive compounds in the presence of catalysts and, optionally, auxiliaries and/or additives, whereini) isocyanates having isocyanurate
6187893 Two-component polyurethane systems which contain reactive diluents February 13, 2001
Two-component polyurethane systems composed of an at least bifunctional polyisocyanate component and a polyol component have a polyol component which comprises at least one hydroxyl-containing cyclic acetal and/or ketal.
6169124 Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition pro January 2, 2001
In a process for producing self-releasing, compact or cellular moldings which comprise polyisocyanate polyaddition products and may contain reinforcing material by reactinga) organic and/or modified organic polyisocyanates withb) at least one compound containing at least two reactive hydroge
6031013 Production of polyurethane foams February 29, 2000
In a process for producing foams based on polyisocyanate polyaddition products by reacting isocyanates with compounds which are reactive toward isocyanates and have a molecular weight of from 400 to 8000 in the presence of blowing agents, catalysts and, if desired, chain extenders an
6007752 Production of sheet-like polyurethane moldings December 28, 1999
Sheet-like polyurethane moldings are produced by impregnation of porous sheets with a prepolymer containing free isocyanate groups and reversibly blocked isocyanate-reactive groups or containing free isocyanate-reactive groups and reversibly blocked isocyanate groups, and subsequent reac
5885394 Production of sheet-like polyurethane moldings March 23, 1999
In a process for producing sheet-like polyurethane moldings by impregnation of porous sheets with a polyurethane system and subsequent reaction of the polyurethane system in a mold, the porous sheet is first fully impregnated with a polyurethane component, then fully impregnated with the
5698603 Expandable styrene polymers containing recycled material December 16, 1997
The present invention relates to expandable styrene polymers containing recycled polystyrene, having a recycled material content of from 10 to 50% by weight, based on the total weight of the polystyrene, to which alkyldi(2-hydroxyethyl)amines have been added during the polymerization.
5616624 Preparation of bead-form expandable styrene polymers having improved expandability April 1, 1997
A process for the preparation of bead-form expandable styrene polymers by polymerizing styrene, if desired in the presence of further comonomers, in aqueous suspension in the presence of organic molecular colloids as suspension stabilizers and conventional styrene-soluble polymerization
5597885 Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocy January 28, 1997
The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being p
5596063 Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocy January 21, 1997
The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being p
5596045 Expandable styrene polymers containing recycled material January 21, 1997
Expandable styrene polymers containing recycled polystyrene have a content of recycled material of up to 40% by weight, based on the total weight of the polystyrene, wherein, in the course of the polymerization of the reaction mixture, from 100 to 500 ppm of a molecular weight regulator
5591778 Process for the preparation of expandable polystyrene January 7, 1997
The invention relates to a process for the preparation of bead shaped, expandable polystyrene by the polymerization of styrene in an aqueous suspension in the presence of dimeric .alpha.-methylstyrene as a regulator and a C.sub.3 to C.sub.6 hydrocarbon as a blowing agent, whereby one fir
5585410 Bead-form, expandable styrene polymers having a reduced internal water content, and their prepar December 17, 1996
Bead-form, expandable styrene polymers containing, based on the styrene polymer, from 0.005 to 1.5% by weight of polyethylene wax and from 0.005 to 1% by weight of dimeric .alpha.-methylstyrene, and a process for the preparation thereof.
5494941 Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocy February 27, 1996
The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being p
5429798 Deodorization of used foam moldings, in particular fish crates July 4, 1995
A process for the deodorization of used foam moldings, in which the used foam moldings are treateda) with an aqueous solution of phosphoric acid, water-soluble primary or secondary phosphates or mixtures thereof.










 
 
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