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Dr Raj C Thiagarajan ATOA Scientific Technologies Dr Raj C Thiagarajan ATOA Scientific Technologies
Chinniah Thiagarajan, Bernd Jansen, Santhosh Kumar Rajendran, Vauhini RM, Safwat E Tadros: Siloxane block copolymer nanoporous foams, methods of manufacture thereof and articles comprising the same. Sabic Innovative Plastics IP, Cantor Colburn, October 9, 2012: US08283390

Disclosed herein is a foam that includes a polysiloxane block copolymer; the polysiloxane block copolymer including a first block that comprises a polysiloxane block and a second block that includes an organic polymer; the second block not containing a polysiloxane; the polysiloxane block being abou ...


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Dr Raj C Thiagarajan ATOA Scientific Technologies
Chinniah Thiagarajan, Bernd Jansen, Santhosh Kumar Rajendran, Vauhini RM, Safwat E Tadros: Siloxane block copolymer nanoporous foams, methods of manufacture thereof and articles comprising the same. Sabic Innovative Plastics Ip, March 10, 2011: US20110060067-A1

Disclosed herein is a foam that includes a polysiloxane block copolymer; the polysiloxane block copolymer including a first block that comprises a polysiloxane block and a second block that includes an organic polymer; the second block not containing a polysiloxane; the polysiloxane block being abou ...


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Mahari Tjahjadi, Joseph M H Janssen, George F Fischer, Ye Gang Lin, Safwat E Tadros, Galina D Georgieva, Scott S Haraburda: Scaleless on-line rheometer device. General Electric Company, June 18, 2002: US06405579 (7 worldwide citation)

A system for providing process control information, such as viscosity, concerning a polymer melt comprises a means containing a polymer melt under pressure; means for diverting a stream of the polymer melt directly from said containing means to and through an orifice of predetermined geometrical sha ...


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Safwat E Tadros, Yves M Trehu: Coating process for composite reverse osmosis membranes. E I du Pont de Nemours and Company, December 25, 1990: US04980061 (6 worldwide citation)

A process for preparing reverse osmosis membranes is disclosed. A microporous hollow support fiber is passed through a solution of a monomer capable of undergoing condensation polymerization and such as m-phenylene diamine up through a capillary into a sedond less dense solution of a second monomer ...


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Safwat E Tadros: Process for laminating film to woven fabric. E I Du Pont de Nemours and Company, May 12, 1987: US04664738 (6 worldwide citation)

Lamination of film to woven fiber is achieved by localized infrared heating to heat directly onto the fibers, which in turn cause the covering film to soften and bond only in the area contacting the fibers.


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Safwat E Tadros: In-line polymer melt rheometer. E I Du Pont de Nemours and Company, Paul R Steyermark, January 7, 1992: US05078007 (4 worldwide citation)

An apparatus and a process for quickly and accurately determining in-line the rheology of molten polymer streams, said apparatus comprising a cam member and a pressure wall member, one of which is a rotating member and the other one is a stationary member, the rotating member dragging molten polymer ...


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Mahari Tjahjadi, Joseph M H Janssen, George F Fischer, Ye Gang Lin, Safwat E Tadros, Galina D Georgieva: On-line rheometer device. General Electric Company, November 2, 1999: US05974866 (3 worldwide citation)

A system for providing process control information, such as viscosity, concerning a polymer melt comprises a means containing a polymer melt under pressure; means for diverting a stream of the polymer melt directly from said containing means to and through an orifice of predetermined geometrical sha ...


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Peter H Th Vollenberg, Sandeep Dhawan, Kyle P Starkey, Safwat E Tadros: Multi-layer, weatherable compositions and method of manufacture thereof. General Electric Company, August 15, 2006: US07090926 (2 worldwide citation)

A weatherable composition comprising an upper layer that comprises an aliphatic polyamide resin and an additive composition comprising an hindered amine light stabilizer and a hydroxyphenyl triazine or pyrimidine UV absorber; an intermediate layer that comprises a polymer system compatible with poly ...


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Safwat E Tadros: Impact modifier material and method and apparatus for the production thereof. General Electric Company, March 2, 2004: US06699416 (2 worldwide citation)

A method for processing an impact modifier material having a core and shell molecular structure comprises working the impact modifier material in a mild extruder to a state such that at least a portion of the shells of the impact modifier material fuse together to form an impact modifier material ou ...


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Safwat E Tadros: Colored diffusion sheets, methods of manufacture thereof and articles comprising the same. Sabic Global Technologies, Cantor Colburn, October 14, 2014: US08859091

Disclosed herein is a polymeric sheet that includes a first polymeric layer; and a second foamed layer; the first polymeric layer being in operative communication with the second foamed layer; the polymeric sheet having a percent light transmission as measured according to ASTM D 1003 of about 3% to ...