Eddin Alvarado - Wyckoff NJ, US Frank Guzzone - Libertyville IL, US Michael H. Haskins - Waunakee WI, US Mark Kwiatek - New York NY, US Manus Mulherin - Stroudsburg PA, US Thomas Michael O'Keefe - Grayslake IL, US Jonathan Ashbridge - Leicester, GB Craig Jones - Leicester, GB Timothy Whateley - Leicester, GB
Assignee:
Intercontinental Great Brands LLC - East Hanover NJ
Eddin Alvarado - Wyckoff NJ, US Michael H. Haskins - Waunakee WI, US Mark Kwiatek - New York NY, US Manus Mulherin - Stroudsburg PA, US Thomas Michael O'Keefe - Grayslake IL, US Jonathan Ashbridge - Leicester, GB Craig Jones - Leicester, GB Timothy Whateley - Leicester, GB
Assignee:
Intercontinental Great Brands LLC - East Hanover NJ
International Classification:
2001
US Classification:
D20 8
Sulfalkylation Of Hydroxyethylated Polybenzimidazole Polymers
Michael J. Sansone - Berkeley Heights NJ Balaram Gupta - North Plainfield NJ Charles E. Forbes - Florham Park NJ Mark S. Kwiatek - Union NJ
Assignee:
Hoechst Celanese Corp. - Somerville NJ
International Classification:
C08G 7318
US Classification:
525435
Abstract:
A sulfoalkyl derivative of N-substituted hydroxyethylated polybenzimidazole is disclosed, produced by the reaction of an N-substituted hydroxyethylated polybenzimidazole anion with a sultone. The N-substituted hydroxyethylated polybenzimidazole polymer is first reacted with an alkali hydride to produce the anion of N-substituted hydroxyethylated polybenzimidazole. The N-substituted hydroxyethylated polybenzimidazole anion is then reacted with the sultone to produce a sulfoalkyl derivative of the N-substituted hydroxyethylated polybenzimidazole polymer. These derivatives find great use as ion exchange devices.
Preparation Of N-Substituted Phenyl Polybenzimidazole Polymers
Michael J. Sansone - Berkeley Heights NJ Mark S. Kwiatek - Union NJ
Assignee:
Hoechst Celanese Corp. - Somerville NJ
International Classification:
C08G 7318
US Classification:
525435
Abstract:
This invention discloses a unique process for the preparation of N-substituted phenyl polybenzimidazole polymers from unsubstituted polybenzimidazole polymers. An unsubstituted polybenzimidazole polymer is first reacted with an alkali hydride to produce a polybenzimidazole anion which is then reacted with a substituted or an unsubstituted phenyl fluoride to produce N-substituted phenyl polybenzimidazole polymer. The N-substituted phenyl polybenzimidazole polymer produced by this process can be formed into a wide range of products, such as membranes, films resins or fibers. The produce can be designed to meet special applications by the choice of the substitutent. These N-substituted phenyl polybenzimidazole polymers can be utilized for numerous applications including reverse osmosis, ultrafiltration, microfiltration, electrodialysis, ion exchange and affinity chromatography.
Light Transmissive Liquid Crystalline Composite Exhibiting A High Kerr Effect
Michael J. Sansone - Berkeley Heights NJ Mark S. Kwiatek - Union City NJ
Assignee:
Hoechst Celanese Corp. - Somerville NJ
International Classification:
C09K 1954 G02F 113
US Classification:
2522995
Abstract:
In one embodiment this invention provides an optical medium which consists of a microdispersion of liquid crystal droplets in a synthetic resin matrix. A preferred invention optical medium exhibits a Kerr effect, and can transmit propagating light waves with low scattering loss under waveguiding conditions.