1
Gordhanbhai N Patel, Anthony F Preziosi, Ray H Baughman: Time-temperature history indicators. Allied Chemical Corporation, David W Collins, Ernest A Polin, December 28, 1976: US03999946 (146 worldwide citation)

Compositions containing at least two conjugated acetylene groups (-C.tbd.C-C.tbd.C-) are suitable as integral time-temperature history indicators. These compositions exhibit sequences of irreversible color changes at combinations of times and temperatures specific to each composition. Thus, when sup ...


2
Frederick P Chlanda, Lester T C Lee, Kang Jen Liu: Bipolar membranes and method of making same. Allied Chemical Corporation, Arthur J Plantamura, Ernest A Polin, Thomas D Hoffman, September 26, 1978: US04116889 (90 worldwide citation)

Stable bipolar membranes of high permselectivity and low potential drop are prepared using either an anion or cation preformed first layer upon which a second layer or coating of an ion exchange resin of the opposite charge carried in a matrix polymer is applied. The second layer may be suitably app ...


3
Arthur Jack Nozik: Photoelectrolysis of water by solar radiation. Allied Chemical Corporation, David W Collins, Ernest A Polin, March 8, 1977: US04011149 (75 worldwide citation)

Photoelectrolysis of water by solar radiation to produce hydrogen is achieved using semiconducting thin film electrodes. The cell comprises (a) an electrode comprising at least one thin film semiconducting layer disposed on a substrate, each layer having a bandgap which ranges from about 1.3 to 4.0 ...


4
Alan B Gancy, Theodore J Jenczewski: Electrodialytic process for the conversion of impure soda values to sodium hydroxide and carbon dioxide. Allied Chemical Corporation, Thomas D Hoffman, Ernest A Polin, December 9, 1980: US04238305 (55 worldwide citation)

An electrodialytic process for the conversion of soda sources containing anionic and optionally nonionic impurities to high purity, high strength sodium hydroxide and carbon dioxide gas is disclosed.


5
Gerald J Dege, Kang Jen Liu: Single film, high performance bipolar membrane. Allied Chemical Corporation, Arthur J Plantamura, Ernest A Polin, May 17, 1977: US04024043 (49 worldwide citation)

Novel single film bipolar membranes, of substantially improved efficiency and durability, i.e. having an ion selectivity above 80% in an electrolyte medium of about one mole, are prepared from pre-swollen films containing a relatively high amount, i.e. at least 15% of an insoluble cross-linked aroma ...


6
Ranjan Ray, Sheldon Kavesh: Binary amorphous alloys of iron or cobalt and boron. Allied Chemical Corporation, David W Collins, Ernest A Polin, July 19, 1977: US04036638 (43 worldwide citation)

Binary amorphous alloys of iron or cobalt and boron have high mechanical hardnesses and soft magnetic properties and do not embrittle when heat treated at temperatures employed in subsequent processing steps, as compared with prior art amorphous alloys. The alloys have the formula M.sub.a B.sub.b, w ...


7
Lee E Tanner, Ranjan Ray, Carl F Cline: Titanium-beryllium base amorphous alloys. Allied Chemical Corporation, David W Collins, Ernest A Polin, November 2, 1976: US03989517 (42 worldwide citation)

Amorphous metal alloys are prepared from titanium-beryllium base compositions comprising about 48 to 68 atom percent titanium and about 32 to 52 atom percent beryllium, with up to about 10 atom percent of beryllium replaced by additional alloying elements such as transition metals and metalloids. Th ...


8
George G Libowitz: Thermal energy storage systems employing metal hydrides. Allied Chemical Corporation, David W Collins, Ernest A Polin, August 9, 1977: US04040410 (37 worldwide citation)

Thermal energy storage systems employing metal hydrides are useful for storing thermal energy produced, for example, by solar radiation. The metal hydrides, examples of which include FeTiH and the VH-VH.sub.2 reaction system, evidence ease of reversibility of the metal-hydrogen reaction and have rel ...


9
Sheldon Kavesh, Gerald R Bretts: Welding of glassy metallic materials. Allied Chemical Corporation, David W Collins, Ernest A Polin, September 19, 1978: US04115682 (34 worldwide citation)

A process is provided for welding metal bodies together, at least one of the metal bodies comprising a metallic material that is at least 50% glassy. The process comprises (a) clamping overlapped portions of the bodies between electrodes and applying a clamping force to the overlapped portions; (b) ...


10
Ryusuke Hasegawa: Glassy metal alloy temperature sensing elements for resistance thermometers. Allied Chemical Corporation, David W Collins, Ernest A Polin, December 27, 1977: US04064757 (27 worldwide citation)

Glassy metal alloys of compositions in the Be-Ti-Zr system suitable as temperature sensing elements for resistance thermometers are provided. The compositions consist essentially of about 20 to 45 atom percent beryllium, about 2 to 80 atom percent zirconium, 0 to about 2 atom percent of at least one ...