1
Ray H Baughman, Gordhanbhai N Patel, Granville G Miller: Integrated time-temperature or radiation-dosage history recording device. Allied Corporation, Kenneth E Stroup Jr, Alan M Doernberg, Gerhard H Fuchs, June 21, 1983: US04389217 (65 worldwide citation)

A recording device is described, useful as an integrated time-temperature or radiation-dosage history indicator. The device contains a substrate having deposited thereon at least two indicating units, one being unreacted and representing zero time of exposure and the other unit being pre-reacted. Ea ...


2
Robert G Denkewalter, Jaroslav F Kolc, William J Lukasavage: Macromolecular highly branched homogeneous compound. Allied Corporation, Kenneth E Stroup Jr, Richard C Stewart II, Alan M Doernberg, October 18, 1983: US04410688 (47 worldwide citation)

Formed from trifunctional units (M) having attached, to one of the two terminal carbon atoms of an alkylene hydrocarbon diradical, the functional group A', and having attached, to the other terminal carbon atom, a different functional group B' reactive with A' to form a linkage AB; and having attach ...


3
Gordhanbhai N Patel: Co-crystallized acetylenic compounds. Allied Corporation, Alan M Doernberg, Kenneth E Stroup Jr, Gerhard H Fuchs, May 24, 1983: US04384980 (23 worldwide citation)

A composition is described comprising at least two co-crystallized acetylenic compounds, of different chemical structures, each containing at least one --C.tbd.C--C.tbd.C-- group and substituents selected from the group consisting of sulfonate, urethane and alcohol radicals, at least one of the comp ...


4
Gordhanbhai N Patel, Dawn M Ivory: Polydiacetylene gels. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Kenneth E Stroup Jr, March 27, 1984: US04439346 (22 worldwide citation)

Polydiacetylene gel compositions, comprised of a polydiacetylene and a gel-forming liquid therefor, are described which undergo a change in color and in physical state to a solution when heated to a predetermined temperature. The gel compositions exhibit hysteresis temperature characteristics which ...


5
David Zudkevitch, Stephen E Belsky, Preston D Krautheim: Extraction and/or extractive distillation of low molecular weight alcohols from aqueous solutions. Allied Corporation, Kenneth E Stroup Jr, Alan M Doernberg, Gerhard H Fuchs, January 31, 1984: US04428798 (20 worldwide citation)

A process is disclosed for separating low molecular weight alcohols, especially ethanol, from aqueous mixtures. The process involves subjecting alcohol-water mixtures to extraction and/or extractive distillation procedures. Extractive solvents useful for the process of this invention include phenols ...


6
Shaul M Aharoni, Theodore Largman: Process for preparing graft and block copolymers. Allied Corporation, Kenneth E Stroup Jr, Jay P Friedenson, Richard C Stewart II, November 22, 1983: US04417031 (18 worldwide citation)

A process for preparing block, and/or graft copolymeric compositions by forming an intimate mixture of two or more polymers, at least one of which includes one or more amino junctions and at least one of the remaining polymers includes one or more carboxylic acid junctions and an effective amount of ...


7
Valentin Tarasenko, Harold Edelstein: Purification of anhydrous hydrogen fluoride. Allied Corporation, Alan M Doernberg, Kenneth E Stroup Jr, Gerhard H Fuchs, January 3, 1984: US04424067 (18 worldwide citation)

The arsenic trifluoride content of anhydrous hydrogen fluoride is reduced by diffusion in one or more stages through a non-porous fluoride-resistant film, such as a thin fluoropolymer film.


8
David Zudkevitch, David K Preston, Stephen E Belsky: Extraction and/or extractive distillation of ethanol from aqueous solutions. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Kenneth E Stroup Jr, June 19, 1984: US04455198 (16 worldwide citation)

Ethanol is concentrated from ethanol-water mixtures by extraction or extractive distillation with a solvent which is a cyclic ketone of at least seven carbons or cyclic alcohol of at least eight carbons such a cyclohexylcyclohexanone or cyclohexylcyclohexanol. In the extractive distillation process, ...


9
Shaul M Aharoni, Theodore Largman: Process for increasing the melt viscosity of polyamide with aryl phosphate compound. Allied Corporation, Kenneth E Stroup Jr, Alan M Doernberg, Gerhard H Fuchs, June 28, 1983: US04390667 (15 worldwide citation)

A process for decreasing the melt index and increasing the viscosity of polyamide compositions by adding thereto an effective amount of an aryl phosphate compound, and thereafter heating the composition until the desired changes in melt index or viscosity are attained.


10
Harry E Ulmer, Donald Pickens, Forrest J Rahl, Philip A Lefrancois: Producing silane from silicon tetrafluoride. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Kenneth E Stroup Jr, October 4, 1983: US04407783 (15 worldwide citation)

Silicon tetrafluoride is reacted with sodium hydride in a cyclic ether reaction medium such as tetrahydrofuran or 1,4-dioxane or in dimethoxyethane. Sodium aluminum hydride is dissolved in the solvent and catalyzes the reaction in amounts of 4-25%, by weight of combined sodium hydride and sodium alu ...