Author: claimsbot

1. A shift register comprising unit circuits connected in a cascade, the unit circuits each including a first output unit, a second output unit, and a logic circuit,
the first output unit including: a driving output terminal for outputting a driving signal; a first transistor for applying a first voltage to the driving output terminal; and a second transistor for applying a second voltage lower than the first voltage to the driving output terminal,
the second output unit including: an output-to-next terminal for outputting a signal to a next unit circuit in the cascade; a third transistor for applying a third voltage to the output-to-next terminal; and a fourth transistor for applying a fourth voltage lower than the third voltage to the output-to-next terminal, and
the logic circuit including: a first signal generator unit configured to generate a first signal for switching the first transistor and the third transistor between a conducting state and a non-conducting state according to the signal provided from a preceding unit circuit in the cascade; and a second signal generator unit configured to generate a second signal for switching the second transistor and the fourth transistor between the conducting state and the non-conducting state according to the signal provided from the preceding unit circuit in the cascade,
wherein the first transistor and the second transistor each have a current supply capability larger than a current supply capability of the third transistor and a current supply capability of the fourth transistor, and
the second voltage is set at a fixed potential higher than the fourth voltage.
2. The shift register according to claim 1,
wherein the logic circuit is connected to a high voltage source and a low voltage source for generating the first signal and the second signal, and
the fourth voltage is set at a potential same as output voltage of the low voltage source.
3. The shift register according to claim 1,
wherein the first transistor includes: a control terminal to which the first signal is input; a first output terminal; and a second output terminal connected to the driving output terminal,
the first output terminal is connected to a signal source of a clock signal having a high level at the first voltage and a low level at a voltage lower than the first voltage, and
the logic circuit electrically disconnects the control terminal and the first signal generator unit at least for a predetermined period starting immediately before the clock signal changes from the high level to the low level.
4. The shift register according to claim 3, further comprising
a capacitor connected between the control terminal and the second output terminal of the first transistor,
wherein potential of the control terminal changes from the fourth voltage to a voltage lower than the fourth voltage when the clock signal changes to the low level.
5. The shift register according to claim 3,
wherein the low level is a potential same as the fourth voltage.
6. A display device comprising:
the shift register according to claim 1;
scan lines for transmitting driving signals output from the shift register;
signal lines for transmitting a video signal, the signal lines, the signal lines crossing the scan lines; and
a display unit including pixel circuits each of which is disposed at a different one of crosspoints of the scan lines and the signal lines and, under control of the driving signals, emits light corresponding to the video signal.

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 process for producing polyethylene compositions comprising
polymerising polyethylene resins in a cascaded multi-stage reaction in which the reaction steps are performed in at least two slurry phase reactors (A) and (B) and at least one gas phase reactor (C) which are arranged in series in any order wherein
in reactor (A) a low molecular weight ethylene homo- or copolymer fraction having a MFR2 of 100 to 2000 g10 min,
in reactor (B) a low molecular weight ethylene homo- or copolymer fraction having an MFR2 of 100 to 2000 g10 min, and
in reactor (C) a high molecular weight ethylene copolymer fraction are polymerised, and
further comprising a compounding step after polymerisation,
wherein the final polyethylene composition has a MFR21 of 3 to 50 g10 min, the melt flow rates being determined according to ISO 1133.
2. The process according to claim 1 wherein the polymerisation in at least one of slurry phase reactors (A) and (B) is carried out in the presence of an inert hydrocarbon medium is selected from the group comprising C3 to C8 hydrocarbons.
3. The process according to claim 1 wherein the polymerisation in at least one of slurry reactors (A) or (B) is carried out under supercritical conditions whereby the reaction temperature and reaction pressure are above respective critical points of the mixture formed by the hydrocarbon medium, monomer, hydrogen and optional comonomer and the polymerisation temperature is lower than the melting temperature of the polymer formed.
4. The process according to claim 1 wherein in reactor (A) an ethylene homo- or copolymer fraction in an amount of 10 to 30 wt % of the total polyethylene resin is polymerised.
5. The process according claim 1 to wherein in reactor (A) an ethylene homopolymer fraction is polymerised.
6. The process according to claim 1 wherein in reactor (B) an ethylene homo- or copolymer fraction in an amount of 15 to 40 wt % of the total polyethylene resin is polymerised.
7. The process according to claim 1 wherein in reactor (B) an ethylene homopolymer fraction is polymerised.
8. The process according to claim 1 wherein one or more comonomers selected from the group comprising C4 to C8 alpha-olefins are fed to the reaction mixture in reactor (C).
9. The process according to claim 8 wherein the comonomer is 1-hexene.
10. The process according to claim 1 wherein in reactor (C) an ethylene copolymer fraction in an amount of 30 to 75 wt % of the total polyethylene resin is polymerised.
11. The process according to claim 1 wherein the polymerisation conditions in reactor (C) are selected as such that the final polyethylene composition has a MFR5 of 0.05 to 2 g10 min, determined according to ISO 1133.
12. The process according to claim 1 wherein the polymerisation is carried out in the presence of a Ziegler-Natta catalyst.
13. A multimodal polymer composition comprising a polyethylene resin comprising
(i) a first low molecular weight ethylene homo- or copolymer fraction having a MFR2 of 100 to 2000 g10 min,
(ii) a second low molecular weight ethylene homo- or copolymer fraction having a MFR2 of 100 to 2000 g10 min, and
(iii) a high molecular weight ethylene copolymer fraction,
wherein the polyethylene resin has a MFR21 of 3 to 50 g10 min and white spots are dispersed within the final composition with a white spot dispersion of less than 4.5 after a single compounding step, the melt flow rates being determined according to ISO 1133 and the white spot test according to ISO 18553.
14. The polymer composition according to claim 13 wherein polyethylene fraction (i) is present in an amount of 10 to 30 wt %, polyethylene fraction (ii) is present in an amount of 15 to 45 wt %, and polyethylene fraction (iii) is present in an amount of 30 to 75 wt %, based on the total amount of the polyethylene resin.
15. The multimodal polymer composition according to claim 13 wherein combined polyethylene fractions (i) and (ii) are present in an amount of at least 53 wt % of the total polyethylene resin.
16. Polymer The multimodal polymer composition according to claim 13 wherein at least one of polyethylene fractions (i) or (ii) is an ethylene homopolymer and polyethylene fraction (iii) is an ethylene copolymer having comonomer units selected from comprising C4 to C8 alpha-olefins.
17. (canceled)
18. A method of improving the homogeneity of a multimodal polyethylene resin characterized in that in the polymerization process at least two slurry phase reactors are provided for the polymerization of a low molecular weight polyethylene fraction.

1. A printhead comprising:
an elongate support having a plurality of internal webs protruding from a base section to define a plurality of parallel fluid supply channels;
a shim supported by the support and defining a plurality of rows of openings through which fluid from respective supply channels is supplied; and
a plurality of elongate printhead modules supported serially on the shim, each module defining a plurality of fluid supply passages through which fluid passes to fluid ejection nozzles from respective rows of the openings, either end of each module defining complementary formations such that adjacent modules nest together.
2. A printhead as claimed in claim 1, wherein the complementary formations are stepped.
3. A printhead as claimed in claim 1 comprising a pair of molded endcaps mounted on either end of the support which is extruded.
4. A printhead as claimed in claim 3, wherein one of the endcaps defines a plurality of fluid inlet tubes in fluid communication with respective fluid supply channels.
5. A printhead as claimed in claim 4, wherein the other endcap defines a plurality of serpentine grooves to equalize the gas pressure in respective fluid supply channels.
6. A printhead as claimed in claim 1, wherein each module has a shield plate covering the ejection nozzles and defining slots in register with the ejection nozzles so that fluid can be ejected through the slots.
7. A printhead as claimed in claim 1, wherein the support is shaped to provide a form-lock for retaining opposite edges of the shim as a snap fit.

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 composition consisting of:
at least one lubricant based on at least one polyol ester obtained from a polyol having a neopentyl backbone, or at least one polyvinyl ether;
a refrigerant consisting of 3,3,3-trifluoropropene and at least one hydrofluorocarbon selected from the group consisting of 1,1,1,2-tetrafluoroethane, 1,1-difluoromethane, and pentafluoroethane; and
optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.
2. A composition consisting of:
at least one lubricant based on at least one polyol ester or at least one polyvinyl ether;
a refrigerant consisting of 3,3,3-trifluoropropene and at least one of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene; and
optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.
3. The composition as claimed in claim 2, wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from a polyol which has a neopentyl backbone.
4. The composition as claimed in claim 1, wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms.
5. The composition as claimed in claim 1, wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition.
6. (canceled)
7. A composition consisting of:
at least one lubricant based on at least one polyol ester or at least one polyvinyl ether;
a refrigerant consisting of at least one hydrofluoropropene, wherein the at least one hydrofluoropropene includes 3,3,3-trifluoropropene; and
optionally at least one of a compatibilizer, a surfactant, and a solubilizing agent.
8. The composition as claimed in claim 7, wherein the at least one hydrofluoropropene further includes at least one of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene.
9. The composition as claimed in claim 7, wherein the at least one hydrofluoropropene further includes 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene.
10. The composition as claimed in claim 2, wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms.
11. The composition as claimed in claim 2, wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition.
12. The composition as claimed in claim 3, wherein the polyol which has the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, and dipentaerythritol.
13. The composition as claimed in claim 2, wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is a pentaerythritol ester.
14. The composition as claimed in claim 2, wherein the at least one lubricant is based on at least one polyvinyl ether.
15. The composition as claimed in claim 7, wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from linear or branched carboxylic acid having from 2 to 15 carbon atoms.
16. The composition as claimed in claim 7, wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester represents between 10% and 50% by weight of the composition.
17. The composition as claimed in claim 7, wherein the at least one lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is obtained from a polyol having a neopentyl backbone.
18. The composition as claimed in claim 17, wherein the polyol having the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, pentaerythritol, and dipentaerythritol.
19. The composition as claimed in claim 7, wherein the at least one lubricant is based on at least one polyvinyl ether.
20. The composition as claimed in claim 1, wherein the at least one lubricant is based on the at least one polyol ester obtained from a polyol having a neopentyl backbone, wherein the polyol having the neopentyl backbone is selected from the group consisting of neopentyl glycol, trimethylol propane, and dipentaerythritol.
21. The composition as claimed in claim 1, wherein the lubricant is based on the at least one polyol ester, and wherein the at least one polyol ester is a pentaerythritol ester.