Lang; Neven

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lang; Neven.The latest application filed is for "method for the production of crude trioxane".

Company Profile

0.16.22

Lang; Neven - Mannheim N/A DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage Grant 8,530,678 - Siegert , et al. September 10, 2	2013-09-10
Integrated method for the preparation of trioxane from formaldehyde Grant 8,450,507 - Siegert , et al. May 28, 2	2013-05-28
Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol Grant 8,378,144 - Siegert , et al. February 19, 2	2013-02-19
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Grant 8,372,993 - Lang , et al. February 12, 2	2013-02-12
Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Grant 8,350,063 - Siegert , et al. January 8, 2	2013-01-08
Method For The Production Of Crude Trioxane App 20100324311 - Siegert; Markus ; et al.	2010-12-23
Process For Preparing Polyoxymethylene Homopolymers Or Copolymers By Homopolymerization Or Copolymerization Of Trioxane, Starting From Methanol App 20100280195 - Siegert; Markus ; et al.	2010-11-04
Method For Separating Tioxane From A Trioxane/formaldehyde/water Mixture By Means Of Pressure Change Rectification App 20100270140 - Siegert; Markus ; et al.	2010-10-28
Method for the production of dioxolane Grant 7,754,900 - Siegert , et al. July 13, 2	2010-07-13
Integrated Method For Producing Trioxane From Formaldehyde App 20100152466 - Lang; Neven ; et al.	2010-06-17
Method For Producing Cyclic Formaldehyde Derivatives From Polyoxy Dialkyl Ethers App 20100145079 - Stroefer; Eckhard ; et al.	2010-06-10
Method For Producing Trioxane From Trioxymethylene Glycol Dimethyl Ether App 20100130756 - Stroefer; Eckhard ; et al.	2010-05-27
Method For Separating Trioxane From A Trioxane/formaldehyde/water Mixture By Means Of Pressure Change Rectification App 20100121081 - Lang; Neven ; et al.	2010-05-13
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification Grant 7,713,387 - Siegert , et al. May 11, 2	2010-05-11
Integrated Method For The Preparation Of Trioxane From Formaldehyde App 20090187033 - Siegert; Markus ; et al.	2009-07-23
Process for Producing Trioxane and at Least One Comonomer App 20080283384 - Lang; Neven ; et al.	2008-11-20
Integrated Method For the Production of Trioxane From Formaldehyde App 20080281109 - Lang; Neven ; et al.	2008-11-13
Method For the Production of Dioxolane App 20080255376 - Siegert; Markus ; et al.	2008-10-16
Process for Preparing Polyoxymethtylene Homopolymers or Copolymers App 20080234459 - Lang; Neven ; et al.	2008-09-25
Separation of liquid mixtures in a film evaporator Grant 7,414,159 - Stroefer , et al. August 19, 2	2008-08-19
Integrated Process For Preparing Trioxane From Formaldehyde App 20080194845 - Lang; Neven ; et al.	2008-08-14
Method for preparing highly concentrated, gaseous formaldehydes Grant 7,390,932 - Stroefer , et al. June 24, 2	2008-06-24
Method for producing formaldehyde Grant 7,381,851 - Olbert , et al. June 3, 2	2008-06-03
Production of high-concentration formaldehyde solutions Grant 7,345,207 - Stroefer , et al. March 18, 2	2008-03-18
Method for producing highly concentrated formaldehyde solution Grant 7,342,139 - Rumpf , et al. March 11, 2	2008-03-11
Method for the Separation by Distillation of Pure Trioxane App 20070293688 - Siegert; Markus ; et al.	2007-12-20
Trioxane Production Method Wherein A Side Aqueous Flow Is Deducted At A First Distillation Stage App 20070293689 - Siegert; Markus ; et al.	2007-12-20
Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification App 20070272540 - Siegert; Markus ; et al.	2007-11-29
Method for separating trioxane from a mixture containing trioxane, formaldehyde and water App 20070155972 - Lang; Neven ; et al.	2007-07-05
Method for producing formaldehyde App 20070142677 - Olbert; Gerhard ; et al.	2007-06-21
Method for producing highly concentrated formaldehyde solution App 20070135660 - Rumpf; Bernd ; et al.	2007-06-14
Separation of liquid mixtures in a film evaporator App 20070106096 - Stroefer; Eckhard ; et al.	2007-05-10
Method for the preparation of highly concentrated formaldehyde solutions App 20060211841 - Stroefer; Eckhard ; et al.	2006-09-21
Method for preparing highly concentrated, gaseous formaldehydes App 20060185513 - Stroefer; Eckhard ; et al.	2006-08-24

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