Patents by Inventor Andreas Hohlfeld
Andreas Hohlfeld 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: 9732853Abstract: A joint-sealing strip consisting of foam material has one or more moisture-variable membrane layers. The joint-sealing strip may have two longitudinal sides as well as a top side that borders on a joint flank in the installed state of the joint-sealing strip, and an underside that borders on an opposite joint flank in the installed state of the joint-sealing strip. The one or more memebrane layers may run in the longitudinal direction between the top side and underside, in each instance, as well as parallel to or almost parallel to the longitudinal sides.Type: GrantFiled: December 21, 2011Date of Patent: August 15, 2017Assignee: Hanno-Werk GmbH & Co. KGInventors: Bjoern Kethorn, Andreas Hohlfeld
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Patent number: 8680262Abstract: A method for purifying a protected oligonucleotide comprising the steps of: a) providing a solution of the protected oligonucleotide in at least one solvent A having a boiling point below the boiling point of a solvent B, heating the solution at a temperature of at least 30° C. and below the boiling point of the at least solvent A, adding solvent B until precipitation of a material is visible in the solution, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, allowing the solution to cool down under stirring until formation of a supernatant and a residue, removing the supernatant or b) providing solvent B, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, heating solvent B at a temperature above 30° C.Type: GrantFiled: March 15, 2012Date of Patent: March 25, 2014Assignee: Girindus AGInventors: Meinhof Lange, Olaf Groessel, Fritz Link, Andreas Schoenberger, Andreas Hohlfeld
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Publication number: 20130303745Abstract: A method for preparing an oligonucleotide comprising the steps of synthesizing a phosphoramidite by reacting a hydroxyl-containing compound of formula (A) with a phosphitylating agent in the presence of an activator compound of formula (I), to prepare a phosphitylated compound, then coupling the phosphitylated compound without isolation with a second compound having the formula (A), wherein R5, R3, R2, B are independently selected, but have the same definition as above in the presence of an activator II selected from the group of imidazole, imidazolium salts, and mixtures thereof, which are improved activators over activators disclosed in related art.Type: ApplicationFiled: July 12, 2013Publication date: November 14, 2013Inventors: Meinolf LANGE, Andreas HOHLFELD, Andreas SCHONBERGER, Christina KIRCHHOFF, Olaf GROSSEL
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Publication number: 20130281682Abstract: A method for preparing a phosphitylated compound comprising the step of:—reacting a hydroxyl containing compound with a phosphitylating agent in the presence of an activator having the formula (I) wherein R=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl R1, R2=either H or form a 5 to 6-membered ring together. X1, X2=independently either N or CH Y=H or Si(R4)3, with R4=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl B=deprotonated acid. The hydroxyl containing compound is preferably a sugar moiety or a nucleoside or an oligomer derived therefrom.Type: ApplicationFiled: June 20, 2013Publication date: October 24, 2013Applicant: Girindus AGInventors: Meinholf Lange, Andreas Schönberger, Christina Kirchhoff, Olaf Grössel, Nadja Omelcenko, Andreas Hohlfeld, Fritz Link
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Patent number: 8531106Abstract: In a high-pressure discharge lamp including a ceramic discharge vessel, a secure connection between a hybrid antenna as starting aid and a leadthrough of the discharge vessel is provided by virtue of the fact that a means between leadthrough and extension limits the ohmic resistance between leadthrough and hybrid antenna preferably to at most 100?.Type: GrantFiled: December 9, 2011Date of Patent: September 10, 2013Assignee: Osram AGInventors: Markus Demmert, Andreas Hohlfeld, Helmut Weske, Ingmar Wieler, Ludger Wilken
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Publication number: 20130154201Abstract: The invention relates to a joint-sealing strip.Type: ApplicationFiled: December 21, 2011Publication date: June 20, 2013Applicant: HANNO-WERK GMBH & CO. KGInventors: Björn Kethorn, Andreas Hohlfeld
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Publication number: 20130066061Abstract: A method for purifying a protected oligonucleotide comprising the steps of: a) providing a solution of the protected oligonucleotide in at least one solvent A having a boiling point below the boiling point of a solvent B, heating the solution at a temperature of at least 30° C. and below the boiling point of the at least solvent A, adding solvent B until precipitation of a material is visible in the solution, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, allowing the solution to cool down under stirring until formation of a supernatant and a residue, removing the supernatant or b) providing solvent B, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, heating solvent B at a temperature above 30° C.Type: ApplicationFiled: March 15, 2012Publication date: March 14, 2013Applicant: Girindus AGInventors: Olaf Grössel, Andreas Hohlfeld, Meinolf Lange, Fritz Link, Andreas Schönberger
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Publication number: 20120322994Abstract: A method for preparing an oligonucleotide comprising the steps of a) providing a hydroxyl containing compound having the formula (A), b) reacting said compound with a phosphitylating agent in the presence of an activator (activator I) having the formula (I) to prepare a phosphitylated compound; and c) reacting said phosphitylated compound without isolation with a second compound having the formula (A) wherein R5, R3, R2, B are independently selected, but have the same definition as above in the presence of an activator II different from activator I.Type: ApplicationFiled: March 15, 2012Publication date: December 20, 2012Applicant: Girindus AGInventors: Meinolf Lange, Andreas Schönberger, Andreas Hohlfeld, Olaf Grössel, Christina Kirchhoff, Fritz Link
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Publication number: 20120316328Abstract: A method for preparing a phosphitylated compound comprising the step of:—reacting a hydroxyl containing compound with a phosphitylating agent in the presence of an activator having the formula (I) wherein R=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl R1, R2=either H or form a 5 to 6-membered ring together. X1, X2=independently either N or CH Y?H or Si(R4)3, with R4=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl B=deprotonated acid. The hydroxyl containing compound is preferably a sugar moiety or a nucleoside or an oligomer derived therefrom.Type: ApplicationFiled: February 7, 2012Publication date: December 13, 2012Applicant: Girindus AGInventors: Meinolf Lange, Andreas Schönberger, Christina Kirchhoff, Olaf Grössel, Nadja Knaub, Andreas Hohlfeld, Fritz Link
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Publication number: 20120161622Abstract: A high-pressure discharge lamp with a starting aid has a discharge vessel, the discharge vessel being held in an outer bulb by means of a frame. A UV enhancer which is fixed directly by means of the frame is used as the starting aid.Type: ApplicationFiled: December 19, 2011Publication date: June 28, 2012Applicant: OSRAM AGInventors: Michael Beau, Andreas Hohlfeld, Sascha Piltz, Karen Twesten, Ludger Wilken
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Publication number: 20120146496Abstract: In a high-pressure discharge lamp including a ceramic discharge vessel, a secure connection between a hybrid antenna as starting aid and a leadthrough of the discharge vessel is provided by virtue of the fact that a means between leadthrough and extension limits the ohmic resistance between leadthrough and hybrid antenna preferably to at most 100?.Type: ApplicationFiled: December 9, 2011Publication date: June 14, 2012Applicant: OSRAM AGInventors: Markus Demmert, Andreas Hohlfeld, Helmut Weske, Ingmar Wieler, Ludger Wilken
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Publication number: 20110201799Abstract: A method for preparing an oligonucleotide comprising the steps of a) providing a hydroxyl containing compound having formula (1), wherein B is a heterocyclic base, and radicals R2, R3 and R5 are as defined in the description; b) reacting said compound with a phosphitylating agent in the presence of an activator I having formula (I), wherein R=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl; R1, R2=either H or form a 5- to 6-membered ring together; X1, X2=independently either N or CH; Y=H or Si(R4)3, with R4=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl; B=deprotonated acid; to prepare a phosphitylated compound; c) reacting said phosphitylated compound without isolation with a second compound having the formula (1), wherein R5, R3, R2, B are independently selected, but have the same definition as above in the presence of an activator II selected from the group of imidazole, imidazolium salts, and mixtures thereof.Type: ApplicationFiled: July 19, 2010Publication date: August 18, 2011Applicant: GIRINDUS AGInventors: Meinolf LANGE, Andreas HOHLFELD, Andreas SCHÖNBERGER, Christina KIRCHHOFF, Olaf GRÖSSEL
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Publication number: 20110065909Abstract: A method for preparing an oligonucleotide comprising the steps of a) providing a hydroxyl containing compound having the formula (A), b) reacting said compound with a phosphitylating agent in the presence of an activator (activator I) having the formula (I) to prepare a phosphitylated compound; and c) reacting said phosphitylated compound without isolation with a second compound having the formula (A) wherein R5, R3, R2, B are independently selected, but have the same definition as above in the presence of an activator II different from activator I.Type: ApplicationFiled: July 14, 2010Publication date: March 17, 2011Applicant: Girindus AGInventors: Meinolf Lange, Andreas Schönberger, Andreas Hohlfeld, Olaf Grössel, Christina Kirchhoff, Fritz Link
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Patent number: 7745999Abstract: The elongate bulb (1) of the lamp, which defines a longitudinal axis (A), is closed at opposite ends by sealing parts (6; 32), with in each case one cap being fitted at one end, the cap having an electrical contact element (13; 25) which is connected in an electrically conductive manner to a supply conductor (15; 21) leading to a luminous means, the contact element being accommodated in a tubular extension (11; 22) of the sealing part; the contact element (13; 25) has an attachment part (14; 24) which is directed inward toward the lamp interior and is equipped with at least two barbs (20; 26) which are in contact with the tubular extension (11; 21).Type: GrantFiled: May 19, 2007Date of Patent: June 29, 2010Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Jurgen Graf, Andreas Hohlfeld, Michael Hulsemann, Anton Schogl, Karen Twesten
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Publication number: 20100087635Abstract: A method for purifying a protected oligonucleotide comprising the steps of: a) providing a solution of the protected oligonucleotide in at least one solvent A having a boiling point below the boiling point of a solvent B, heating the solution at a temperature of at least 30° C. and below the boiling point of the at least solvent A, adding solvent B until precipitation of a material is visible in the solution, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, allowing the solution to cool down under stirring until formation of a supernatant and a residue, removing the supernatant or b) providing solvent B, said solvent B being an alcohol having 1 to 6 C-atoms or a diol having 2 to 6 C-atoms, heating solvent B at a temperature above 30° C.Type: ApplicationFiled: September 28, 2009Publication date: April 8, 2010Applicant: Girindus AGInventors: Olaf Grossel, Andreas Hohlfeld, Meinolf Lange, Fritz Link, Andreas Schönberger
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Publication number: 20100081802Abstract: A method for preparing a phosphitylated compound comprising the step of: -reacting hydroxyl containing compound with a phosphitylating agent in the presence of an activator having the formula (I) wherein R=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl R1, R2=either H or form a 5 to 6-membered ring together. X1, X2=independently either N or CH Y?H or Si(R4)3, with R4=alkyl, cycloalkyl, aryl, aralkyl, heteroalkyl, heteroaryl B=deprotonated acid. The hydroxyl containing compound is preferably a sugar moiety or a nucleoside or an oligomer derived therefrom.Type: ApplicationFiled: December 15, 2005Publication date: April 1, 2010Applicant: Girindus AGInventors: Meinholf Lange, Andreas Schönberger, Christina Kirchhoff, Olaf Grössel, Nadja Omelcenko, Andreas Hohlfeld, Fritz Link
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Publication number: 20070222386Abstract: The elongate bulb (1) of the lamp, which defines a longitudinal axis (A), is closed at opposite ends by sealing parts (6; 32), with in each case one cap being fitted at one end, the cap having an electrical contact element (13; 25) which is connected in an electrically conductive manner to a supply conductor (15; 21) leading to a luminous means, the contact element being accommodated in a tubular extension (11; 22) of the sealing part; the contact element (13; 25) has an attachment part (14; 24) which is directed inward toward the lamp interior and is equipped with at least two barbs (20; 26) which are in contact with the tubular extension (11; 21).Type: ApplicationFiled: May 19, 2007Publication date: September 27, 2007Applicant: OSRAM SYLVANIA INC.Inventors: Jurgen Graf, Andreas Hohlfeld, Michael Hulsemann, Anton Schlogl, Karen Twesten
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Patent number: 7253562Abstract: The elongate bulb (1) of the lamp, which defines a longitudinal axis (A), is closed at opposite ends by sealing parts (6; 32), with in each case one cap being fitted at one end, the cap having an electrical contact element (13; 25) which is connected in an electrically conductive manner to a supply conductor (15; 21) leading to a luminous means, the contact element being accommodated in a tubular extension (11; 22) of the sealing part; the contact element (13; 25) has an attachment part (14; 24) which is directed inward toward the lamp interior and is equipped with at least two barbs (20; 26) which are in contact with the tubular extension (11; 21).Type: GrantFiled: May 28, 2004Date of Patent: August 7, 2007Assignee: Patent-Treuhand-Gesellschaft fur electrische Glühlampen mbHInventors: Jürgen Gräf, Andreas Hohlfeld, Michael Hülsemann, Anton Schlögl, Karen Twesten
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Patent number: 7221098Abstract: The lamp comprises a discharge vessel (2) which is closed off in a vacuum-tight manner and is arranged in an outer bulb (12), a getter material being held on a support body inside the outer bulb (12). The support body is a support strip (31) to which the getter material is applied, the support strip being bent in such a way that it is automatically held in the outer bulb (12) without the need for any auxiliary means.Type: GrantFiled: June 2, 2004Date of Patent: May 22, 2007Assignee: Patent-Treuhand-Gesellschaft für elektrische Glülampen mbHInventors: Jürgen Gräf, Andreas Hohlfeld, Michael Hülsemann, Anton Schlögl, Karen Twesten
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Patent number: 7112116Abstract: The process comprises the provision of a discharge vessel (2) which is closed off on one side, fitting a second tube over part of the discharge vessel and evacuating and filling the volume of the outer bulb via a pumping hole, which remains open in the second extension part within the second tube. This pumping hole is only closed at the end by means of an operation which closes it by rolling.Type: GrantFiled: June 2, 2004Date of Patent: September 26, 2006Assignee: Patent-Treuhand-Gesellschaft für elektrisch Glühlampen mbHInventors: Jürgen Gräf, Andreas Hohlfeld, Michael Hülsemann, Anton Schlögl, Karen Twesten