Patent Assignment
Reel/Frame 019069/0199
Assignment of Assignor's Interest
Recorded: 2007-03-27
Pages: 9
Assignors
CELANESE CHEMICALS EUROPE GMBH
Executed: 2007-02-28
CELANESE GMBH
Executed: 2007-02-28
HOECHST AG
Executed: 2007-02-28
CLARIANT GMBH
Executed: 2007-02-28
Assignee
DRACHENFELSSEE 521. VV GMBH (TO BE RENAMED OXEA DEUTSCHLAND GMBH)
OTTO-ROELEN-STRASSE 3, OBERHAUSEN, 46147, GERMANY
Covered Properties
(61)
Rhodium Catalysts and Methods of Preparation and Use Thereof
Patent:
4,795,727 →
Application:
07/047,663 →
Hydroformylation Process
Patent:
4,801,754 →
Application:
07/125,595 →
Process for the Preparation of Aldehydes
Patent:
4,879,418 →
Application:
07/226,768 →
Process for the Preparation of 2,2-Dimethylpropanediol-1,3
Patent:
4,918,247 →
Application:
07/361,711 →
Complex Compounds Containing Sulfonated Phenyl Phosphanes
Patent:
5,057,618 →
Application:
07/444,556 →
Novel Rhodium Recovery
Patent:
5,091,546 →
Application:
07/588,665 →
Process for the Preparation of 2,2-Dimethylpropane-1,3-Diol
Patent:
5,072,058 →
Application:
07/632,353 →
Process for the Recovery of Rhodium from the Residues of Distillation Processes
Patent:
5,151,537 →
Application:
07/741,643 →
Complex Compounds Containing Sulfonated Phenyl Phosphanes
Patent:
5,155,274 →
Application:
07/822,943 →
Process for the Preparation of Alcohols in Two Stages
Patent:
5,475,161 →
Application:
07/824,745 →
Process for the Recovery of Rhodium from Residues of the Distillation of Products of the Oxo Synthesis
Patent:
5,264,600 →
Application:
07/855,731 →
Process for the Separation and Recovery of Rhodium from the Products of the Oxo Synthesis
Patent:
5,294,415 →
Application:
07/903,010 →
Process for Recovering Rhodium from the Reaction Products of the Oxo Synthesis
Patent:
5,260,490 →
Application:
07/960,897 →
One Stage Process for the Preparation of Alcohols
Patent:
5,684,215 →
Application:
07/999,191 →
Process for the Catalytic Hydrogenation of Organic Compounds in the Gas Phase
Patent:
5,300,708 →
Application:
08/081,682 →
Method of Optimizing the Control of the Mass Transfer Zone in Distillation Columns
Patent:
5,487,815 →
Application:
08/191,389 →
Process for Removing Organic Phosphorous Compounds and Other Impurities from Dilute Sulfuric Acid
Patent:
6,083,470 →
Application:
08/227,576 →
Process for the Preparation of Sulfonated Arylphosphines
Patent:
5,451,698 →
Application:
08/264,720 →
Reactivation of Water-Soluble Hydroformylation Catalysts
Patent:
5,466,644 →
Application:
08/378,861 →
Method of Optimizing the Control of the Mass Transfer Zone in Distillation Columns
Patent:
5,643,419 →
Application:
08/487,476 →
Process for the Preparation of Sulfonated Arylphosphines
Patent:
5,684,181 →
Application:
08/537,357 →
Process for the Purificaton of Wastewater from the Aldolization Reaction
Patent:
6,358,419 →
Application:
08/641,514 →
Process for the Hydroformylation of Olefinically Unsaturated Compounds
Patent:
5,756,854 →
Application:
08/701,775 →
Novel Sulfonated Phosphines, Processes for Their Preparation, and Use Thereof as Constituents of Catalyst Systems
Patent:
5,780,674 →
Application:
08/801,150 →
Process for the Hydroformylation of Olefinically Unsaturated Compounds
Patent:
5,808,168 →
Application:
08/839,328 →
Process for Preparing Aldehydes
Patent:
5,773,667 →
Application:
08/856,212 →
Process for the Distillation of Alcohols
Patent:
6,117,277 →
Application:
08/894,601 →
Environmentally Friendly Diesel Fuel
Patent:
6,013,114 →
Application:
09/013,755 →
Process for Preparing Alcohols
Patent:
6,096,931 →
Application:
09/204,597 →
Method of Stabilizing Aldehydes
Patent:
6,137,013 →
Application:
09/211,937 →
Process for Cleaning Up Wastewaters from the Preparation of Alcohols
Patent:
6,139,747 →
Application:
09/212,823 →
Phosphanes, Their Method of Production and Use in Metal Complexes
Patent:
6,225,504 →
Application:
09/331,826 →
Process for Preparing Aldehydes by Hydroformylation
Patent:
6,211,414 →
Application:
09/341,835 →
Method for Producing Ester Plasticizers
Patent:
6,310,235 →
Application:
09/424,124 →
Method for Hydroformylating Olefinically Unsaturated Compounds
Patent:
6,683,118 →
Application:
10/129,249 →
Process for Preparing Cyclohexanedicarboxylic Esters
Method for Recovering Rhodium from Reaction Products of Oxosynthesis
Preparation of Aldehydes
Method for Producing Aliphatic Carboxylic Acids from Aldehydes
Method for the Synthesis of Straight-Chain Aliphatic Carboxylic Acids from Aldehydes
Method for the Synthesis of Aliphatic Carboxylic Acids from Aldehydes
Method for Recovering Rhodium from Hydroformylation Products
Process for Purifying Alicyclic Alcohols
Process for Preparing Sulfonated Arylphosphines
Method for the Production of Aldehydes
Method for the Production of Aldehydes
Process for Producing Aliphatic C3-C10-Alcohols from High Boilers
Process for Preparing N-Methyldialkylamines from Secondary Dialkylamines and Formaldehyde
Carboxylic Esters Based on Limonene Alcohol [3-(4'-Methylcyclohexyl)Butanol] and Having a Low Melting Point
Process for Preparing Tcd-Alcohol Dm
Process for Preparing Tcd-Diamine
Process for Preparing Tcd-Dialdehyde
Process for Preparing Tcd-Monenal
Process for Preparing Sulfonated Arylphosphines
Process for Preparing Tcd-Alcohol Dm
Process for Preparing Aliphatic Straight-Chain and Beta-Alkyl-Branched Carboxylic Acids
Process for Preparing Aldehydes
Process for preparing sulfonated arylphosphines
Application:
11/480,178 →
Publication:
US 2006/0276669
3(4),7(8)-Bis(Aminomethyl)Bicyclo[4.3.0]Nonane and a Process for Its Preparation
Bicyclo[4.3.0]Nonane-3(4),7(8)-Dicarboxylic Acid and a Process for Its Preparation
3(4),7(8)-Dihydroxymethylbicyclo[4,3,0]nonane and a process for its preparation
Application:
11/657,771 →
Publication:
US 2007/0179323
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 25, 1987
From: BACH, HANSWILHELM; CORNILS, BOY; GICK, WILHELM; DIEKHAUS, GERHARD
To: RUHRCHEMIE AKTIENGESELLSCHAFT
Reel/Frame 004787/0484 →
Assignment of Assignor's Interest
Aug 26, 1996
From: BAHRMANN, HELMUT; LAPPE, PETER; FELL, BERNHARD; XIA, SHIGAO
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 008173/0467 →
Assignment of Assignor's Interest
May 6, 2005
From: HOECHST AG
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 016580/0237 →
Assignment of Assignor's Interest
Jun 7, 2005
From: HOECHST AKTIENGESELLSCHAFT
To: CELANESE CHEMICALS EUROPE GMBH
Reel/Frame 016301/0905 →
Change of Name
Mar 31, 2008
From: DRACHENFELSSEE 521. V V GMBH
To: OXEA DEUTSCHLAND GMBH
Reel/Frame 022703/0784 →
Change of Name
Apr 1, 2008
From: OXEA DEUTSCHLAND GMBH
To: OXEA GMBH
Reel/Frame 022856/0130 →