摘要:
There are provided in accordance with the present invention crystalline forms A, B, C, F, G, I, J, P, and Q of efaproxiral sodium. Also provided is the amorphous form of efaproxiral sodium. Also provided are methods of forming the novel polymorphs and the amorphous form of efaproxiral sodium, therapeutic methods utilizing them and pharmaceutical dosage forms containing them.
摘要:
The present invention provides novel compositions of allosteric hemoglobin modifiers which are substantially free of impurities, specifically polymeric impurities. In one embodiment, the novel compositions contain an allosteric hemoglobin modifier compound and less than 100 ppm of the polymeric impurities generated during the preparation of this compound. Included in the present invention are novel methods for preparing allosteric hemoglobin modifiers that are substantially free of polymeric impurities. Also included in the present invention are improved methods for the purification of the product formed by the method of this invention. The novel methods of purification comprise extracting the crude composition with a water immiscible or partially immiscible solvent such as methylisobutyl ketone (MIBK) to lower amounts of impurities, specifically polymeric impurities. Also included are methods to reduce impurities by recrystallization of the crude synthesized product, followed by filtration of the recrystallized product. The present invention also includes the products made by the processes of the invention and methods for analyzing compositions comprised of these products.
摘要:
A rock-fracturing mining explosive element; said explosive element subjected to an initial spreading against a target surface on impact of said explosive element with said target surface; said explosive element so constructed as to control the rate of spreading and compression against said surface prior to detonation.
摘要:
An elongate explosive charge element (25), said explosive charge element (25) including a flexible frangible cutting sheet (26) and an explosive agent (27) said charge element (25) adapted to the penetration of a barrier structure.
摘要:
An elongate explosive charge element (25), said explosive charge element (25) including a flexible frangible cutting sheet (26) and an explosive agent (27) said charge element (25) adapted to the penetration of a barrier structure.
摘要:
An item page may be displayed on a client device in response to a request to view an item page from the client device. They item page may include a description of the item. An icon may be generated and the icon may be displayed within a portion of the displayed item page at an icon location. A plurality of selectable actions each being performable with respect to the item described by the item page may be generated and displayed in response to an initial gesture being performed at the icon location for at least a pre-defined threshold duration. Lastly, the plurality of selectable actions may be displayed around the generated icon and within a pre-defined distance from the icon location of the generated icon.