Author: claimsbot

1. A method for separating multi-wall carbon nanotubes from an aqueous slurry, comprising:
a) adding a water-immiscible organic solvent to an aqueous slurry comprising multi-wall carbon nanotubes;
b) isolating at least some of the multi-wall carbon nanotubes in the solvent; and
c) removing the solvent from the multi-wall carbon nanotubes to form dried multi-wall carbon nanotubes.
2. The method of claim 1 wherein the isolating forms spheroidal aggregates of multi-wall carbon nanotubes.
3. The method of claim 1 wherein the dried multi-wall carbon nanotubes are in the shape of spheroidal aggregates having diameters in the range of about 0.1 mm and about 5 mm.
4. The method of claim 1 wherein the dried multi-wall carbon nanotubes are in the shape of spheroidal aggregates having diameters in the range of about 0.5 mm and about 2 mm.
5. The method of claim 1 wherein the dried multi-wall carbon nanotubes are in the shape of spheroidal aggregates wherein the spheroidal aggregates comprise at least about 80 wt % multi-wall carbon nanotubes.
6. The method of claim 1 wherein the dried multi-wall carbon nanotubes are in the shape of spheroidal aggregates wherein the spheroidal aggregates comprise at least about 90 wt % multi-wall carbon nanotubes.
7. The method of claim 1 wherein the dried multi-wall carbon nanotubes are in the shape of spheroidal aggregates wherein the spheroidal aggregates comprise at least about 95 wt % multi-wall carbon nanotubes.
8. The method of claim 1 wherein the removing step is done by a procedure selected from the group consisting of evaporation, vacuum drying, convective drying and combinations thereof.
9. The method of claim 1 wherein the organic solvent comprises a solvent selected from the group consisting of hydrocarbons, oxygenated hydrocarbons, aliphatic solvents, aromatic solvents, alkanes, alkenes, alkynes, chlorinated hydrocarbons, chlorinated solvents, silicone oils, hydrocarbon oils, and combinations thereof.
10. The method of claim 1 wherein the organic solvent comprises hexane.
11. The method of claim 1 wherein the organic solvent comprises octane.
12. The method of claim 1 wherein the nanotubes and the solvent are present in a ratio from about 1 g nanotubes to about 0.1 ml solvent to about 1 g nanotubes to about 100 mls solvent.
13. The method of claim 1 wherein the nanotubes and the solvent are present in a ratio from about 1 g nanotubes to about 1 ml solvent to about 1 g nanotubes to about 25 mls solvent.
14. A method for forming spheroidal aggregates of multi-wall carbon nanotubes comprising:
a) adding a water-immiscible organic solvent to an aqueous slurry comprising multi-wall carbon nanotubes;
b) forming aggregates of multi-wall carbon nanotubes in the solvent; and
c) removing the solvent from the aggregates to form dried spheroidal aggregates of multi-wall carbon nanotubes.
15. The method of claim 14 wherein the dried spheroidal aggregates have a diameter in the range of about 0.1 mm and about 5 mm.
16. The method of claim 14 wherein the dried spheroidal aggregates have a diameter in the range of about 0.5 mm and about 2 mm.
17. The method of claim 14 wherein the solvent is removed by a procedure selected from the group consisting of evaporation, vacuum drying, convective drying and combinations thereof.
18. The method of claim 14 wherein the dried spheroidal aggregates contain at least about 80 wt % multi-wall carbon nanotubes.
19. The method of claim 14 wherein the dried spheroidal aggregates contain at least about 90 wt % multi-wall carbon nanotubes.
20. The method of claim 14 wherein the dried spheroidal aggregates contain at least about 95 wt % multi-wall carbon nanotubes.
21. The method of claim 14 wherein the organic solvent comprises a solvent selected from the group consisting of hydrocarbons, oxygenated hydrocarbons, aliphatic solvents, aromatic solvents, alkanes, alkenes, alkynes, chlorinated hydrocarbons, chlorinated solvents, silicone oils, hydrocarbon oils, and combinations thereof.
22. The method of claim 14 wherein the organic solvent comprises hexane.
23. The method of claim 14 wherein the organic solvent comprises octane.
24. The method of claim 14 wherein the nanotubes and the solvent are present in a ratio from about 1 g nanotubes to about 0.1 ml solvent to about 1 g nanotubes to about 100 mls solvent.
25. The method of claim 14 wherein the nanotubes and the solvent are present in a ratio from about 1 g nanotubes to about 1 ml solvent to about 1 g nanotubes to about 25 mls solvent.
26. An aggregate comprising multi-wall carbon nanotubes wherein the aggregate is spheroidal and has a diameter in a range of about 0.1 mm and about 5 mm, and wherein the aggregate contains at least about 80 wt % multi-wall carbon nanotubes.
27. The aggregate of claim 26 wherein the diameter is in the range of about 0.5 mm and about 2 mm.
28. The aggregate of claim 26 wherein the aggregate contains at least about 90 wt % multi-wall carbon nanotubes.
29. The aggregate of claim 26 wherein the aggregate contains at least about 95 wt % multi-wall carbon nanotubes.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A weldable, workable steel comprising, in combination:
a secondary hardened, stable, substantially mixed bainite and martensite phase steel having a BCC copper precipitated phase, M2C carbide strengthening precipitates where M is one or more elements selected from the group consisting of Cr, Mo, and V, and Ni-stabilized precipitated austenite for transformation toughening, said steel including in weight percent about:
0.030 to 0.06 carbon (C);
3.5 to 5.0 copper (Cu);
6.0 to 7.5 nickel (Ni);
1.6 to 2.0 chromium (Cr);
0.2 to 0.65 molybdenum (Mo);
0.05 to 0.20 vanadium (V); and
the balance Fe.
2. The steel of claim 1 characterized by a yield strength exceeding about 140 ksi.
3. The steel of claim 1 having a nominal composition in weight percent of about:
0.05\xb10.01 C;
3.65\xb10.05 Cu;
6.5\xb10.02 Ni;
1.84\xb10.05 Cr;
0.60\xb10.05 Mo;
0.10\xb10.01 V; and
the balance Fe.
4. A method for manufacture of a hardened steel alloy comprising the steps of:
(a) forming a melt into a casting comprised in weight percent of about 0.030 to 0.06 carbon (C), 3.5 to 5.0 copper (Cu), 6.0 to 7.5 nickel (Ni), 1.6 to 2.0 chromium (Cr), 0.2 to 0.65 molybdenum (Mo), 0.05 to 0.20 vanadium (V) and the balance iron;
(b) working and heat treating said alloy to form a substantially bainitic and martensitic microstructure;
(c) tempering said alloy at a temperature of about 500\xb0 C. to 575\xb0 C. for about 5 to 90 minutes to achieve precipitated austenite dispersed in the microstructure; and
(d) further tempering said alloy at a temperature of about 400\xb0 C. to 500\xb0 C. for about 1 to 10 hours to achieve M2C carbide particle formation wherein M is selected from the group consisting of Cr, Mo and V, said alloy including BCC Cu precipitated phase, Ni-stabilized precipitated austenite, and M2C carbides in a mixed bainite and martensite microstructure.

1-19. (canceled)
20. A process for converting a feedstock into one or more olefin(s) in the presence of a molecular sieve catalyst composition prepared by combining a molecular sieve, a binder, and a matrix material in a slurry, wherein the slurry has a pH above or below an isoelectric point (IEP) of the molecular sieve.
21. The process of claim 20 wherein the feedstock comprises oxygenates.
22. The process of claim 20 wherein the molecular sieve catalyst composition has an ARI less than 2 weight percent per hour.
23. The process of claim 20 wherein the pH of the slurry is in the range of from 2.3 to about 6.2.
24. The process of claim 20 wherein the matrix material has a negative charge, the binder and the molecular sieve having a positive charge at the pH of the slurry, and the IEP of the molecular sieve is in the range of from about 3.5 to about 6.5.
25. A process for producing one or more olefin(s), the process comprising the steps of:
(a) introducing a feedstock to a reactor system in the presence of a molecular sieve catalyst composition formed from a slurry of a molecular sieve, a binder, and a matrix material, wherein the slurry is at a pH below or above an IEP of the molecular sieve;
(b) withdrawing from the reactor system an effluent stream; and
(c) passing the effluent gas through a recovery system recovering at least the one or more olefin(s).
26. The process of claim 25 wherein the process further comprises the step of:
(d) introducing the molecular sieve catalyst composition to a regeneration system to form a regenerated molecular sieve catalyst composition, and introducing the regenerated molecular sieve catalyst composition to the reaction system.
27. The process of claim 25 wherein the feedstock comprises methanol, and the olefin(s) include ethylene and propylene, and the molecular sieve is a silicoaluminophosphate.
28. The process of claim 25 wherein the molecular sieve catalyst composition has an ARI less than 2 weight percent per hour.
29. The process of claim 25 wherein the binder is an alumina sol having a positive charge at the pH of the slurry.
30. An integrated process for making one or more olefin(s), the integrated process comprising the steps of:
(a) passing a hydrocarbon feedstock to a syngas production zone to producing a synthesis gas stream;
(b) contacting the synthesis gas stream with a catalyst to form an oxygenated feedstock; and
(c) converting the oxygenated feedstock into the one or more olefin(s) in the presence of a molecular sieve catalyst composition having an ARI less than 2, wherein a slurry comprising a molecular sieve, a binder and matrix material having a pH below or above an IEP of the molecular sieve is spray dried to form the molecular sieve catalyst composition.
31. The integrated process of claim 30 wherein the process further comprises the step of: (d) polymerizing the one or more olefin(s) in the presence of a polymerization catalyst into a polyolefin.
32. The integrated process of claim 30 wherein the oxygenated feedstock comprises methanol, the olefin(s) include ethylene and propylene, and the molecular sieve catalyst composition is a silicoaluminophosphate molecular sieve.
33. The integrated process of claim 30 wherein the molecular sieve catalyst composition has an ARI less than 1 weight percent per hour.
34. The integrated process of claim 30 wherein the molecular sieve is synthesized from the combination from at least two of the group consisting of a silicon source, a phosphorous source and an aluminum source, optionally in the presence of a templating agent.
35. The integrated process of claim 30 wherein the pH of the slurry is in the range of from about 2.3 to 6.2.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A device for providing optical parallel analysis of a sample arrangement, comprising:
a carrier substrate;
a system of sample areas provided on andor in a front face of the carrier substrate, for receiving a sample substance;
a system of detector areas provided on andor in a back face of the carrier substrate, wherein one detector area is assigned to each corresponding sample area; and
a system of optical devices, each optical system being assigned to a corresponding sample area and being configured so that it deflects light beams, which the corresponding sample area in response to an optical excitation does not emit in the direction of a detector area assigned to it, in the direction of the detector area assigned to it andor in the direction of a detector-free area on the back face of the carrier substrate.
2. The device of claim 1, wherein the sample areas include first cavities in the front face of the carrier substrate.
3. The device of claim 1, wherein the optical devices are provided in the second cavities in the front face of the carrier substrate, which surround the first cavities.
4. The device of claim 3, wherein the optical devices have totally reflective angular surfaces.
5. The device of claim 3, wherein the optical devices have mirrored angular surfaces.
6. The device of claim 3, wherein the optical devices have mirrored spherical sector surfaces.
7. The device of claim 3, wherein the second cavities with the optical devices surround the sample areas in a ring shape, in particular circularly.
8. The device of claim 1, wherein the carrier substrate is a microtiter plate.
9. The device of claim 1, wherein the optical devices are integrated into the carrier substrate.
10. A method for providing optical parallel analysis of a sample arrangement, the method comprising:
providing a device providing optical parallel analysis of a sample arrangement, the device including:
a carrier substrate;
a system of sample areas provided on andor in a front face of the carrier substrate, for receiving a sample substance;
a system of detector areas provided on andor in a back face of the carrier substrate, wherein one detector area is assigned to each corresponding sample area; and
a system of optical devices, each optical system being assigned to a corresponding sample area and being configured so that it deflects light beams, which the corresponding sample area in response to an optical excitation does not emit in the direction of a detector area assigned to it, in the direction of the detector area assigned to it andor in the direction of a detector-free area on the back face of the carrier substrate;

providing parallel optical excitation of the sample arrangement by irradiating the front face of the carrier substrate; and
detecting the optical response of the sample areas in their particular detector area.
11. A method for manufacturing a device for providing optical parallel analysis of a sample arrangement, the method comprising:
providing a carrier substrate;
providing a system of sample areas provided on andor in a front face of the carrier substrate, for receiving a sample substance;
providing a system of detector areas on andor in a back face of the carrier substrate, wherein one detector area is assigned to each corresponding sample area; and
providing a system of optical devices, each optical system being assigned to a corresponding sample area and being configured so that it deflects light beams, which the corresponding sample area in response to an optical excitation does not emit in the direction of a detector area assigned to it, in the direction of the detector area assigned to it andor in the direction of a detector-free area on the back face of the carrier substrate.
wherein the optical devices are integrated into the carrier substrate by one of a deep drawing process, an injection molding process, and a stamping process.