Patents by Inventor Peter Falke
Peter Falke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6638986Abstract: Reticulated flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and further assistants and additives (f), by a process in which the polyetherol mixture (b) comprises b1) at least one difunctional or polyfunctional polyetherol having an OH number of from 20 to 150 mg KOH/g, based on propylene oxide and/or butylene oxide and ethylene oxide and having an ethylene oxide content of more than 40% by weight, based on the total amount of alkylene oxide used, (b1.Type: GrantFiled: January 15, 2002Date of Patent: October 28, 2003Assignee: BASF AktiengesellschaftInventors: Peter Falke, Heinz-Dieter Lutter, Michael J. Pcolinski
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Patent number: 6586486Abstract: Low-density hydrophilic flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if required, further assistants and additives (f), by a process in which the polyetherol mixture (b) consists of b1) at least one difunctional or polyfunctional polyetherol based on propylene oxide and/or butylene oxide and ethylene oxide, having an ethylene oxide content of more than 40% by weight, based on the total amount of alkylene oxide used, an OH number of from 20 to 120 mg KOH/g and a proportion of primary OH groups of more than 20% and b2) at least one difunctional or polyfunctional polyetherol based on propylene oxide and/or butylene oxide and, if required, ethylene oxide, the ethylene oxide content being not more than 40% by weight, and having an OH number of more than 25 mType: GrantFiled: January 15, 2002Date of Patent: July 1, 2003Assignee: BASF AktiengesellschaftInventors: Peter Falke, Heinz-Dieter Lutter, Michael J. Pcolinski
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Patent number: 6583192Abstract: Flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if required, further assistants and additives (f), by a process in which the polyetherol mixture (b) consists of b1) at least one polyetherol which is at least difunctional, has an OH number of from 20 to 100 mg KOH/g and is based on propylene oxide and/or butylene oxide and ethylene oxide, having an ethylene oxide content of more than 40% by weight, based on the total amount of alkylene oxide used, and, if required, further polyetherols which are at least difunctional, are based on propylene oxide and/or butylene oxide and ethylene oxide and have an OH number of from 20 to 160 mg KOH/g and b2) at least one difunctional to hexafunctional polyetherol based on propylene oxide and/or butylene oxide and having anType: GrantFiled: January 15, 2002Date of Patent: June 24, 2003Assignee: BASF AktiengesellschaftInventors: Peter Falke, Heinz-Jürgen Schröder, Lothar Baum
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Publication number: 20030065045Abstract: Rigid polyurethane foams having a retarded reactivity are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water (d), catalysts (e), flameproofing agents (f), blowing agents (g) and, if required, further assistants and additives (h), by a process in which the polyol mixture (b) consists ofType: ApplicationFiled: September 12, 2002Publication date: April 3, 2003Inventors: Peter Falke, Gottfried Knorr, Holger Seifert
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Patent number: 6495652Abstract: Prepolymers which contain isocyanate groups, have an NCO content of at least 30.0% by weight and can be prepared by reacting an isocyanate mixture consisting predominantly of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates and having a proportion of two-ring isomers of not more than 74% by weight with at least 4-functional polyols or a mixture of polyols having a mean functionality of at least 4, where the polyols or polyol mixtures have a hydroxyl number of from 200 to 1650 mg KOH/g and a number average molecular weight of less than 1100 g/mol.Type: GrantFiled: October 9, 2000Date of Patent: December 17, 2002Assignee: BASF AktiengesellschaftInventors: Michael Reichelt, Udo Rotermund, Renate Hempel, Peter Falke, Peter von Malotki, Holger Seifert
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Publication number: 20020165290Abstract: Reticulated flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and further assistants and additives (f), by a process in which the polyetherol mixture (b) comprisesType: ApplicationFiled: January 15, 2002Publication date: November 7, 2002Inventors: Peter Falke, Heinz-Dieter Lutter, Michael J. Pcolinski
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Publication number: 20020151614Abstract: Low-density hydrophilic flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if required, further assistants and additives (f), by a process in which the polyetherol mixture (b) consists ofType: ApplicationFiled: January 15, 2002Publication date: October 17, 2002Inventors: Peter Falke, Heinz-Dieter Lutter, Michael J. Pcolinski
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Publication number: 20020151613Abstract: Low-odor flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanate (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e), flameproofing agents (f) and, if required, further assistants and additives (g), by a process in which the polyetherol mixture (e) consists ofType: ApplicationFiled: January 15, 2002Publication date: October 17, 2002Inventors: Peter Falke, Heinz-Jurgen Schroder, Lothar Baum, Steffen Klippert
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Publication number: 20020147247Abstract: Flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if required, further assistants and additives (f), by a process in which the polyetherol mixture (b) consists ofType: ApplicationFiled: January 15, 2002Publication date: October 10, 2002Inventors: Peter Falke, Heinz-Juergen Schroeder, Lothar Baum
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Patent number: 6337356Abstract: In a process for producing sound-absorbing PUR foams having an adhesive surface by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f), the polyetherol mixture (b) comprises b1) at least one bifunctional to eight-functional polyetherol based on ethylene oxide and propylene oxide and having an OH number of from 20 to 80 mg KOH/g and a proportion of primary OH groups of >50%, b2) at least one polyetherol based on ethylene oxide and propylene oxide and/or butylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 20 to 80 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is >30% by weight, in amounts of from 10 to 50 parts by weight, and b3) at least one polyetherol based on propylene oType: GrantFiled: May 24, 2000Date of Patent: January 8, 2002Assignee: BASF AktiengesellschaftInventors: Bernd Zaschke, Kirsten Schmaler, Peter Falke
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Patent number: 6316514Abstract: Sound-damping and energy-absorbing flexible PUR foams are produced by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f).Type: GrantFiled: May 24, 2000Date of Patent: November 13, 2001Assignee: BASF AktiengesellschaftInventors: Peter Falke, Inge Rotermund, Klaus Schmutzer, Kirsten Schmaler
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Patent number: 6103140Abstract: A stable dispersion of melamine in polyol components comprising at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers, blowing agents, catalysts, flame retardants and also further auxiliaries and/or additives is prepared by using the melamine in combination with at least one amine and at least one organic and/or modified organic isocyanate. Such a dispersion can be used for producing flame-resistant polyurethane foams.Type: GrantFiled: August 24, 1999Date of Patent: August 15, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Regina Hendreich, Michael Reichelt
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Patent number: 6093342Abstract: A homogeneous, demixing-stable polyol component comprising at least two relatively high molecular weight compounds containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers and also, if desired, blowing agents, catalysts and further auxiliaries and/or additives is prepared by adding at least one amine and at least one organic and/or modified organic isocyanate to this component.This polyol component is useful for producing polyurethanes, in particular compact and foamed polyurethanes.Type: GrantFiled: February 17, 1998Date of Patent: July 25, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Regina Hendreich, Marita Schuster, Bernd Zaschke
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Patent number: 6087410Abstract: Polyurethane foams are produced by reactinga) organic and/or modified organic diisocyanates and/or polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms,c) at least one compound containing from three to eight, preferably from three to six, reactive hydrogen atoms andd) low molecular weight chain extenders and/or crosslinkers containing at least two reactive hydrogen atomsin the presence ofe) blowing agentsf) catalysts and, if desired,g) further auxiliaries and additives,wherein (c) are ethylene oxide-rich adducts having an ethylene oxide content of more than 50% by weight and an OH number of from 200 to 800 mg KOH/g and (d) are polyfunctional chain extenders and/or crosslinkers having an OH number of more than 700 mg KOH/g.The polyurethane foam produced by this process can be used as upholstery material.Type: GrantFiled: September 16, 1998Date of Patent: July 11, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Inge Rotermund, Marita Schuster, Steffen Klippert
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Patent number: 6063308Abstract: A process for preparing a homogeneous polyol component which is stable to separation and consists of at least one compound of relatively high molecular weight having at least two reactive hydrogen atoms and low-molecular-weight chain extenders and/or crosslinkers and, if desired, of blowing agents, catalysts and other auxiliaries and/or additives comprises the addition to this component of at least one amine and at least one organic and/or modified organic isocyanate; the invention also provides the corresponding polyol component which is stable to separation.The use of this polyol component for preparing PUR, in particular compact or foamed PUR, is also described.Type: GrantFiled: February 17, 1998Date of Patent: May 16, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Regina Hendreich, Ralf Fritz, Inge Rotermund
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Patent number: 6059990Abstract: A stable dispersion of melamine in polyol components comprising at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers, blowing agents, catalysts, flame retardants and also further auxiliaries and/or additives is prepared by using the melamine in combination with at least one amine and at least one organic and/or modified organic isocyanate.Type: GrantFiled: October 14, 1997Date of Patent: May 9, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Regina Hendreich, Michael Reichelt
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Patent number: 6034146Abstract: A stable dispersion of melamine in polyol components comprising at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers, blowing agents, catalysts, flame retardants and also further auxiliaries and/or additives is prepared by using the melamine in combination with at least one amine and at least one organic and/or modified organic isocyanate. Such a dispersion can be used for producing flame-resistant polyurethane foams.Type: GrantFiled: August 23, 1999Date of Patent: March 7, 2000Assignee: BASF AktiengesellschaftInventors: Peter Falke, Regina Hendreich, Michael Reichelt
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Patent number: 5654344Abstract: The invention relates to a process for the production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage using recyclate polyols. The invention furthermore relates to the rigid to semirigid polyurethane foams produced by this process.Type: GrantFiled: April 3, 1995Date of Patent: August 5, 1997Assignee: BASF AktiengesellschaftInventors: Peter Falke, Inge Rotermund, Bernhard Naber
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Patent number: 5578653Abstract: A process for the production of cellular polyurethanes by reactinga) at least one organic and/or modified organic polyisocyanate,b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, if desiredc) low-molecular-weight chain extenders and/or crosslinking agents,in the presence ofd) blowing agents,e) catalysts, and, if desired,f) auxiliaries and/or additives,wherein the blowing agent d) is at least one acetal.Type: GrantFiled: October 12, 1995Date of Patent: November 26, 1996Assignee: BASF SchwarzheideInventors: Regina Hendreich, Peter Falke, Dieter Tintelnot, Marion Wenzel
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Patent number: 5492941Abstract: The invention relates to polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface which comprise crosslinked poly(meth)acrylic acid, poly(meth)acrylic acid salts and/or poly(meth)acrylamides, to a process for their production, and to their use as shoe or shoe sole material.Type: GrantFiled: July 10, 1995Date of Patent: February 20, 1996Assignee: BASF Schwarzheide GmbHInventors: Peter Falke, Holger Seifert, Marion Heinz