Patent Assignment
Reel/Frame 017240/0846
Assignment of Assignor's Interest
Recorded: 2005-11-18
Pages: 5
Assignor
HOECHST AG
Executed: 2005-08-09
Assignee
AVENTIS PHARMA DEUTSCHLAND
INDUSTRIEPARK HOCHST, D-65926 FRANKFURT, GERMANY
Covered Properties
(30)
Compositions of Aromatic Polybenzimidazoles and Aromatic Polyetherimides
Patent:
4,973,630 →
Application:
06/831,385 →
Compositions of Aromatic Polybenzimidazoles and Aromatic Polyimides
Patent:
4,973,629 →
Application:
06/831,389 →
Compositions of Polybenzimidazoles and Polyarylates
Patent:
4,963,628 →
Application:
07/089,650 →
Process for Preparing Electrically Conductive Shaped Articles from Polybenzimidazoles
Patent:
4,868,008 →
Application:
07/189,769 →
N - Substituted Polybenzimidazole Polymer
Patent:
4,898,917 →
Application:
07/247,132 →
Preparation of N-Substituted Phenyl Polybenzimidazole Polymers
Patent:
4,933,397 →
Application:
07/315,992 →
Process for Preparing Electrically Conductive Shaped Articles from Polybenzimidazoles
Patent:
5,017,420 →
Application:
07/362,157 →
Novel Miscible Blends of Polybenzimidazoles and Polyamide-Imides Having Fluorine-Containing Linking Groups and Process for Preparation of the Blends
Patent:
5,137,985 →
Application:
07/411,351 →
Sulfalkylation of Hydroxyethylated Polybenzimidazole Polymers
Patent:
4,997,892 →
Application:
07/441,019 →
High Performance the Thermally Stable Polybenzimidazole Film
Patent:
5,017,681 →
Application:
07/478,163 →
Method for Producing a Corrosion Resistant Article by Applying a Polybenzimidazole Coating
Patent:
5,089,304 →
Application:
07/490,030 →
Fabrication of Microporous Pbi Membranes with Narrow Pore Size Distribution
Patent:
5,091,087 →
Application:
07/543,920 →
Blends of Polybenzimidazoles and Aromatic Polyamides, Aromatic Polyamide-Hydrazides or Aromatic Polyamides Containing Heterocyclic Linkages
Patent:
5,290,884 →
Application:
07/675,782 →
Formation of Filled Molding Powders of Polybenzimidazole and Other Polymers
Patent:
5,229,448 →
Application:
07/713,942 →
Stable Solution of Polybenzimidazole and Polysulfons Blends
Patent:
5,208,298 →
Application:
07/865,386 →
Process for Preparing Stabilized Polybenzimidazole Products
Patent:
5,264,542 →
Application:
07/888,664 →
Thermo-Oxidatively Stabilized Polybenzimidazole-Containing Articles
Patent:
5,277,981 →
Application:
07/890,752 →
Fine-Grained Polyether-Ketone Powder, Process for the Manufacture Thereof, and the Use Thereof
Patent:
5,247,052 →
Application:
07/891,779 →
Polymer Electrolytes and Their Preparation
Patent:
5,362,836 →
Application:
08/073,878 →
Polymer Electrolyte Membrane, and Process for the Production Thereof
Patent:
5,438,082 →
Application:
08/075,219 →
Semipermeable Membranes of Homogeneously Miscible Polymer Alloys
Patent:
5,505,851 →
Application:
08/173,997 →
Homogeneous Polymer Alloys Based on Sulfonated Aromatic Polyether Ketones
Patent:
5,510,424 →
Application:
08/383,620 →
Polymer Electrolyte Membrane for Use in Fuel Cells and Electrolysis Cells
Patent:
5,741,408 →
Application:
08/444,392 →
Polymer Electrolyte Membrane, and Process for the Production Thereof
Patent:
5,561,202 →
Application:
08/444,716 →
Acid - Modified Polybenzimidazole Fuel Cell Elements
Patent:
5,599,639 →
Application:
08/549,337 →
Electrochemical Cell
Patent:
5,853,911 →
Application:
08/816,263 →
Metallized Cation Exchange Membrane
Patent:
5,906,716 →
Application:
08/817,382 →
Homogeneous Polymer Alloys Based on Sulfonated Aromatic Polyetherkeytones
Patent:
5,834,566 →
Application:
08/885,514 →
Polymer Electrolyte Membrane and Process for the Production Thereof
Patent:
6,214,488 →
Application:
08/944,667 →
Polyarylene Sulphides with Polymer-Bound Phosphonium Salts and Process for Producing Them
Patent:
6,077,918 →
Application:
08/973,638 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 26, 1987
From: CHEN, PAUL N. SR.; CHUNG, TAI-SHUNG; HARGET, PAUL J.
To: HOECHST CELANESE CORPORATION, 86 MORRIS AVENUE, SUMMIT, NEW JERSEY 07901 A CORP. OF DE.
Reel/Frame 004788/0196 →
Assignment of Assignors Interest.
Sep 21, 1988
From: SANSONE, MICHAEL J.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 004947/0606 →
Assignment of Assignors Interest.
Feb 27, 1989
From: SANSONE, MICHAEL J.; KWIATEK, MARK S.
To: HOECHST CELANESE CORPORATION
Reel/Frame 005050/0141 →
Assignment of Assignors Interest.
Nov 13, 1989
From: SANSONE, MICHAEL J.; GUPTA, BALARAM; FORBES, CHARLES E.; KWIATEK, MARK S.
To: HOECHST CELANESE CORPORATION, 86 MORRIS AVENUE, SUMMIT, NEW JERSEY 07901 A CORP. OF DE
Reel/Frame 005187/0081 →
Assignment of Assignors Interest.
Feb 12, 1990
From: JAFFE, MICHAEL
To: CELANESE CORPORATION, 10036, A CORP. OF DE.
Reel/Frame 005230/0829 →
Assignment of Assignors Interest.
Feb 12, 1990
From: JAFFE, MICHAEL
To: HOECHST CELANSE CORPORATION, A CORP. OF DE.
Reel/Frame 005230/0825 →
Assignment of Assignors Interest.
Mar 7, 1990
From: KUDER, JAMES E.
To: HOECHST CELANESE CORPORATION
Reel/Frame 005256/0781 →
Assignment of Assignors Interest.
Jun 25, 1990
From: CALUNDANN, GORDON W.; CHUNG, TAI-SHUNG
To: HOECHST CELANESE CORPORATION, A CORP OF DE
Reel/Frame 005375/0781 →
Assignment of Assignors Interest.
Mar 27, 1991
From: CALUNDANN, GORDON W.; HEROLD, FRIEDRICH; CHENEVEY, EDWARD C.; CHUNG, TAI-SHUNG
To: HOECHST CELANESE CORPORATION, 86 MORRIS AVENUE, SUMMIT, NJ 07901, A CORP. OF DE.
Reel/Frame 005679/0021 →
Assignment of Assignors Interest.
Jun 12, 1991
From: COOPER, WILLIAM M.
To: HOECHCHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 005747/0912 →
Assignment of Assignors Interest.
Apr 8, 1992
From: CHUNG, TAI-SHUNG; SCHLASK, ARTHUR G.; KURSCHUS, DIETER
To: HOECHST CELANESE CORPORATION, A CORPORATION OF DE
Reel/Frame 006086/0448 →
Assignment of Assignors Interest.
Apr 20, 1992
From: CHEN, PAUL N., SR.; GLICK, MORTON; VORA, ROHITKUMAR H.; JAFFE, MICHAEL
To: HOECHST CELANESE CORPORATION A CORPORATION OF DE
Reel/Frame 006090/0597 →
Assignment of Assignors Interest.
May 27, 1992
From: HUGHES, O. RICHARD; KURSCHUS, DIETER
To: HOECHST CELANESE CORPORATION, A DE CORP.
Reel/Frame 006138/0107 →
Assignment of Assignors Interest.
May 28, 1992
From: HAIDER, M. ISHAQ; CHENEVEY, EDWARD C.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 006143/0305 →
Assignment of Assignor's Interest
Jun 9, 1993
From: HELMER-METZMANN, FREDDY; OSAN, FRANK
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006594/0489 →
Assignment of Assignor's Interest
Aug 9, 1993
From: HELMER-METZMANN, FREDDY; OSAN, FRANK; SCHNELLER, ARNOLD; RITTER, HELMUT
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006666/0372 →
Assignment of Assignor's Interest
May 5, 1994
From: WAGENER, REINHARD; HELMER-METZMANN, FREDDY; HERRMANN-SCHONHERR, OTTO
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006996/0284 →
Assignment of Assignor's Interest
Jun 4, 1996
From: SAMSONE,MICHAEL J.; ONORATO, FRANK J.; OGATA, NAOYA
To: HOECHST CELANESE CORPORATION
Reel/Frame 007980/0835 →
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0163 →
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0709 →
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0168 →
Assignment of Assignor's Interest
Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0147 →
Assignment of Assignor's Interest
Nov 14, 2005
From: CLEANESE VENTURES GMBH
To: PEMEAS GMBH
Reel/Frame 017230/0181 →
Assignment of Assignor's Interest
Nov 14, 2005
From: AVENTIS PHARMA DEUTSCHLAND GMBH
To: CELANESE VENTURES GMBH
Reel/Frame 017223/0711 →
Assignment of Assignor's Interest
Nov 14, 2005
From: HOECHST AG
To: AVENTIS PHARMA DEUTSCHLAND
Reel/Frame 017223/0694 →