Patent Assignment
Reel/Frame 010901/0425
Assignment of Assignor's Interest
Recorded: 2000-06-15
Pages: 4
Assignor
HOECHST AKTIENGESELLSCHAFT
Executed: 2000-04-26
Assignee
AVENTIS RESEARCH & TECHNOLOGY GMBH & CO. KG
PATENT-UND LIZENZABTEILUNG INDUSTRIEPARK HOCHST, K 801, D-65926 FRANKFURT AM MAIN, GERMANY
Covered Properties
(26)
Aryl Phosphinites
Patent:
5,298,644 →
Application:
08/064,259 →
Novel Bis(Diarylalkyl)Phosphines
Patent:
5,600,006 →
Application:
08/337,959 →
Process for Preparing 1,1'-Binaphthyls
Patent:
5,510,554 →
Application:
08/337,983 →
Bis(Phosphinozlkoxy)Biaryl Compounds and a Process for Their Preparation
Patent:
5,498,797 →
Application:
08/338,033 →
Process for Preparing 2,2'-Dimethyl-1,1'-Binaphthyl and 2,7'-Dimethyl- 1,1'-Binaphthyl
Patent:
5,767,333 →
Application:
08/351,609 →
Process for Preparing 2,2'-Bis(Halomethyl)-1,1'-Binaphthyl
Patent:
5,502,261 →
Application:
08/408,057 →
Process for Preparing 2,2'-Bis(Diphenylphosphinylmethyl)-1,1' -Binaphthyls and New Compounds from This Class of Substances
Application:
08/408,063 →
Process for Preparing 4,4'-Dimethyl-1,1'-Binaphthyl
Patent:
5,522,982 →
Application:
08/411,475 →
Palladium Catalysts Containing Sulfonated Bisphosphines as Ligands, Process for Their Preparation and Their Use in Carbonylation Reactions
Patent:
5,631,393 →
Application:
08/433,315 →
Compounds of the Phosphine Group, Their Preparation and Their Use
Patent:
5,728,886 →
Application:
08/510,789 →
Diphosphines and Process for Their Preparation
Patent:
5,696,296 →
Application:
08/534,391 →
Alkyl Arylphosphinites
Patent:
5,705,669 →
Application:
08/593,667 →
Sulfonated Diphosphines and a Process for Their Preparation
Patent:
5,684,182 →
Application:
08/604,573 →
New Oxaphosphorins and a Process for Their Preparation
Patent:
5,739,372 →
Application:
08/659,897 →
Process for the Preparation of Hydroxybiarylphosphines and Novel Compounds of This Group of Substances
Patent:
5,789,623 →
Application:
08/661,629 →
Chiral Tertiary Phosphines and Process for Their Preparation
Patent:
5,808,163 →
Application:
08/680,479 →
Process for the Preparation of Secondary Arylphosphines
Patent:
5,648,549 →
Application:
08/683,532 →
Process for Preparing Secondary Arylphosphine Oxides
Patent:
5,756,848 →
Application:
08/742,293 →
Process for the Preparation of Aldehydes by Means of a Catalyst System Comprising Rhodium and Substituted Diphenyldiphospines
Patent:
5,801,291 →
Application:
08/813,877 →
Substituted Diphenyldiphosphines and a Process for Their Preparation
Patent:
5,801,287 →
Application:
08/814,297 →
Process for Preparing 2,2'-Bis(Diphenylphosphinylmethyl)-1,1'- Binaphthyls and New Compounds from This Class of Substances
Patent:
5,767,317 →
Application:
08/826,017 →
Process for Preparing Tertiary Phosphines Containing Phosphinate or Phosphonate Groups, and Novel Tertiary Phosphines Containing Phosphinate Groups
Patent:
5,801,263 →
Application:
08/857,755 →
Novel Bis Ethers Containing a 2,2'-Biaryl Radical and a Process for Their Preparation
Patent:
5,874,642 →
Application:
08/879,728 →
Process for the Preparation of Alkyl Arylphosphinites
Patent:
6,077,968 →
Application:
08/900,596 →
Water-Soluble Cobalt Catalysts, Process for Their Preparation and Their Use as Hydro-Formylation Catalysts in a Two-Phase System with Polyethylene Glycol as the Polar Phase
Patent:
5,840,993 →
Application:
08/981,261 →
Substituted Diphenyldiphosphines and a Process for Their Preparation
Patent:
5,972,825 →
Application:
09/095,195 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 9, 1993
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 006647/0406 →
Assignment of Assignor's Interest
Nov 10, 1994
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 007222/0992 →
Assignment of Assignor's Interest
Nov 14, 1994
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 007225/0072 →
Assignment of Assignor's Interest
Nov 14, 1994
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 007225/0462 →
Assignment of Assignor's Interest
Dec 8, 1994
From: MILLAUER, HANS; SCHMIDT, ADOLF
To: HOECHST AG
Reel/Frame 007266/0811 →
Assignment of Assignor's Interest
Mar 21, 1995
From: KLEINER, HANS-JERG; REGNAT, DIETER; ROSCHERT, HORST
To: HOECHST AG
Reel/Frame 007413/0517 →
Assignment of Assignor's Interest
Mar 21, 1995
From: KLEINER, HANS-JERG; REGNAT, DIETER; ROSCHERT, HORST
To: HOECHST AG
Reel/Frame 007396/0654 →
Assignment of Assignor's Interest
Mar 28, 1995
From: BRIETZKE, STEPHAN; MILLAUER, HANS
To: HOECHST AG
Reel/Frame 007438/0544 →
Assignment of Assignor's Interest
May 2, 1995
From: KOHLPAINTNER, CHRISTIAN; BELLER, MATTHIAS
To: HOECHST AG
Reel/Frame 007549/0082 →
Assignment of Assignor's Interest
Aug 3, 1995
From: NAUMANN, CHRISTOPH; REGNAT, DIETER
To: HOECHST AG
Reel/Frame 007619/0429 →
Assignment of Assignor's Interest
Sep 27, 1995
From: NAUMANN, CHRISTOPH; REGNAT, DIETER
To: HOECHST AG
Reel/Frame 007723/0735 →
Assignment of Assignor's Interest
Jan 29, 1996
From: KLEINER, HANS-JERG
To: HOECHST AKTIENGESELLSCHAFT PATENT AND LICENSING DEPARTMENT
Reel/Frame 007890/0416 →
Assignment of Assignor's Interest
Feb 21, 1996
From: NAUMANN, CHRISTOPH; TAFESH, AHMED; REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 007876/0464 →
Assignment of Assignor's Interest
Aug 19, 1996
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 008088/0258 →
Assignment of Assignor's Interest
Sep 13, 1996
From: MILLAUER, HANS; BRUNGS, PETER
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 008132/0387 →
Assignment of Assignor's Interest
Sep 18, 1996
From: REGNAT, DIETER; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 008148/0377 →
Assignment of Assignor's Interest
Sep 19, 1996
From: KLEINER, HANS-JERG
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 008148/0097 →
Assignment of Assignor's Interest
Nov 4, 1996
From: KLEINER, HANS-JERG
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 008281/0919 →
Assignment of Assignor's Interest
Mar 7, 1997
From: BAHRMANN, HELMUT; KLEINER, HANS-JERG; REGNAT, DIETER
To: HOECHST AG
Reel/Frame 008567/0397 →
Assignment of Assignor's Interest
Mar 10, 1997
From: REGNAT, DIETER; KLEINER, HANS-JERG; BAHRMANN, HELMUT
To: HOECHST AG
Reel/Frame 008455/0087 →
Assignment of Assignor's Interest
Jun 20, 1997
From: REGNAT, DIETER; KLEINER, HANS-JERG; BAHRMANN, HELMUT
To: HOECHST AG
Reel/Frame 008615/0748 →
Assignment of Assignor's Interest
Jul 17, 1997
From: SEITZ, THOMAS; HABER, STEFFEN; KLEINER, HANS-JERG
To: HOECHST AG
Reel/Frame 008747/0895 →
Assignment of Assignor's Interest
Jun 15, 2000
From: AVENTIS RESEARCH & TECHNOLOGIES GMBH & CO. KG
To: CELANESE GMBH
Reel/Frame 010901/0246 →
Assignment of Assignor's Interest
Aug 6, 2002
From: CELANESE CHEMICALS EUROPE GMBH
To: CLARIANT GMBH
Reel/Frame 013158/0278 →
Change of Name
Jul 17, 2006
From: CLARIANT GMBH
To: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Reel/Frame 018224/0534 →