1. A process for cleaning the cells of engraved cylinders used in printing and packaging industries from adhesive or ink residues, which process uses a mixture formed by one or more organic solvents and a fluid, and comprises the following steps:
a) forming the mixture in a mixer;
b) delivering said mixture in an autoclave previously filled with the engraved cylinders;
c) cleaning for a residence time of from 5 to 190 minutes;
d) eliminating the organic solvent residue in the autoclave by washing it with fluid;
e) precipitating the extracted inks or adhesives in one or more separators located downstream the autoclave, characterized in that said mixture is a supercritical mixture containing from 70 to 90% by weight of said one or more organic solvents and a supercritical fluid, in that said mixer is a vessel withstanding operating pressures up to 400 bar and in that said autoclave is a vessel withstanding operating pressures up to 400 bar.
2. A process according to claim 1, wherein in step e) the extracted residues are precipitated from the supercritical mixture by a spray extraction method.
3. A process according to claim 1, also comprising the following step:
f) depressurizing the supercritical mixture to recover the organic solvents and the supercritical fluid.
4. A process according to claim 1, wherein said super critical fluid is formed by one or more compounds chosen from the group consisting of: carbon dioxide, nitrogen protoxide, trifluoromethane, propane.
5. A process according to claim 1, wherein said one or more organic solvents are chosen from the group consisting of: acetone, chloroform, diethyl- or dimethylsulfoxide, ethyl acetate, propyl acetate, isopropyl acetate, n-butyl acetate, isobutyl acetate, methyl glycol acetate, amyl acetate, ethyl glycol acetate, methyl amyl acetate, tetrahydrofurane, methanol, ethanol, propanol, butanol, iso-butanol, n-hexane, cyclohexane, methyl furane, ethyl ether, N-methylpyrrolidone, furane, acetonitrile.
6. A process according to claim 1, wherein said engraved cylinders are used in film coupling processes and said adhesive residues are chosen from the group consisting of: polymaleic, polyacrylic, polyurethane, polyvinyl and polyamide resins.
7. A process according to claim 1, wherein said engraved cylinders are used in printing processes and said ink residues are formed by a system resin+additive+pigment, commonly used in printing industries and chosen from the group consisting of: systems with yellow, red, blue, violet, green, black pigment mixed with polymeric resins chosen from polymaleic, polyacrylic, polyurethane, polyvinyl and polyamide resins.
8. A process according to claim 1, wherein in the steps a) and b) the supercritical mixture operates at a pressure range between 40 and 400 bar.
9. A process according to claim 1, wherein in the steps a) and b) the supercritical mixture operates at a temperature range between 30 and 100\xb0 C.
10. A process according to claim 1, wherein in the step c) the residence time of the cylinders in the autoclave ranges between 10 and 145 minutes.
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 method for use by an apparatus included in a user equipment wireless communication terminal communicably coupled to a radio access network, comprising:
determining whether to ignore any power change command possibly present in a downlink time period of a power control loop based on a delaytiming indicator relating a downlink time period of a power control loop to an uplink time period, wherein the user equipment wireless terminal uplinks data andor control information to the radio access network according to a gated transmission; and
providing to a radio front end a power change control signal corresponding to a power change command in the downlink time period only if it is determined not to ignore any power change command in the downlink time period based on the delaytiming indicator.
2. A method as in claim 1, wherein the delaytiming indicator is specified in a standard in whole or in part.
3. A method as in claim 1, further comprising obtaining all or part of the delaytiming indicator from a downlink signal.
4. A method as in claim 1, wherein the delaytiming indicator is a value or values indicating a delay between arrival of the data or control information by the radio access network and transmission of a power change control signal.
5. A method as in claim 1, wherein the delaytiming indicator indicates an uplink and downlink time period correspondence in the power control loop.
6. A method as in claim 1, wherein the delaytiming indicator indicates in which downlink time periods any power change commands should be ignored andor which are to be obeyed after an uplink transmission gap.
7. A method as in claim 1, wherein the data andor control information is uplinked on an enhanced dedicated channel by the user equipment wireless communication terminal.
8. A method as in claim 1, wherein the data andor control information is uplinked on a dedicated control channel by the user equipment wireless communication terminal.
9. A method as in claim 1, wherein the data andor control information is uplinked according at least in part to a gating pattern of on and off periods during which the user equipment wireless communication terminal transmits and does not transmit, respectively.
10. A method as in claim 1, wherein the delaytiming indicator provides a value for at least some of the time period between uplink of a slot conveying data or control information and downlink of a slot providing a power change command based on the uplinked slot.
11. A method as in claim 1, wherein the delaytiming indicator provides a value for a period of time for measuring quality based on the data andor control information uplinked by the user equipment and also ancillary processing for preparing and transmitting a corresponding power change command, but not also a value for propagation delay.
12. A method as in claim 1, wherein the delaytiming indicator indicates periods of time in which the power control commands are either not provided or are provided but not based on data andor control information from the user equipment.
13. A computer program product comprising a computer readable storage structure embodying computer program code thereon for execution by a computer processor, wherein said computer program code comprises instructions for performing a method according to claim 1.
14. An application specific integrated circuit provided so as to operate according to a method as in claim 1.
15. An apparatus, for use in a user equipment wireless communication terminal communicably coupled to a radio access network, comprising a physical layer implementation of a protocol stack of the user equipment wireless communication terminal, configured to:
determine whether to ignore any power change command possibly present in a downlink time period of a power control loop based on a delaytiming indicator relating a downlink time period of a power control loop to an uplink time period, wherein the user equipment wireless terminal uplinks data andor control information to the radio access network according to a gated transmission; and
provide to a radio front end a power change control signal corresponding to a power change command in the downlink time period only if it is determined not to ignore any power change command in the downlink time period based on the delaytiming indicator.
16. An apparatus as in claim 15, wherein the delaytiming indicator is specified in a standard in whole or in part.
17. An apparatus as in claim 15, wherein the physical layer implementation of the protocol stack is further configured to obtain all or part of the delaytiming indicator from a downlink signal.
18. An apparatus as in claim 15, wherein the delaytiming indicator indicates an uplink and downlink time period correspondence in the power control loop.
19. An apparatus as in claim 15, wherein the delaytiming indicator indicates in which downlink time periods any power change commands should be ignored andor which are to be obeyed after an uplink transmission gap.
20. An apparatus, for use in a user equipment wireless communication terminal communicably coupled to a radio access network, comprising:
means for determining whether to ignore any power change command possibly present in a downlink time period of a power control loop based on a delaytiming indicator relating a downlink time period of a power control loop to an uplink time period, wherein the user equipment wireless terminal uplinks data andor control information to the radio access network according to a gated transmission; and
means for providing to a radio front end a power change control signal corresponding to a power change command in the downlink time period only if it is determined not to ignore any power change command in the downlink time period based on the delaytiming indicator.
21. An apparatus as in claim 20, wherein the delaytiming indicator is specified in a standard in whole or in part.
22. An apparatus as in claim 20, further comprising means for obtaining all or part of the delaytiming indicator from a downlink signal.
23. A user equipment wireless communication terminal, comprising:
an apparatus as in claim 15; and
a transceiver for communicatively coupling with the radio access network, and configured to transmit to the radio access network.
24. A user equipment wireless communication terminal, comprising:
a radio front end;
a processor communicably coupled to the radio front end; and
a memory coupled to the processor for storing a set of instructions, executable by the processor, wherein the instructions comprise:
determining whether to ignore any power change command possibly present in a downlink time period of a power control loop based on a delaytiming indicator relating a downlink time period of a power control loop to an uplink time period, wherein the user equipment wireless terminal uplinks data andor control information to the radio access network according to a gated transmission; and
providing to a radio front end a power change control signal corresponding to a power change command in the downlink time period only if it is determined not to ignore any power change command in the downlink time period based on the delaytiming indicator.
25. A method for use by an element of a radio access network communicably coupled to a user equipment wireless communication terminal, comprising:
obtaining or determining a delaytiming indicator value indicative of one or more components of a time period required to receive a signal from a wireless communication terminal indicating data andor control information and to then transmit to the wireless communication terminal a corresponding power change command, or indicative of information sufficient for the user equipment terminal to determine whether to obey a power change command because it is based on data andor control information.
26. A method as in claim 25, further comprising:
providing a signal for communication to the wireless communication terminal conveying the delaytiming indicator.
27. A computer program product comprising a computer readable storage structure embodying computer program code thereon for execution by a computer processor, wherein said computer program code comprises instructions for performing a method according to claim 25.
28. An application specific integrated circuit provided so as to operate according to a method as in claim 25.
29. An apparatus, for use by an element of a radio access network communicably coupled to a user equipment wireless communication terminal, comprising a processor, configured to:
obtain or determining a delaytiming indicator value indicative of one or more components of a time period required to receive a signal from a wireless communication terminal indicating data andor control information and to then transmit to the wireless communication terminal a corresponding power change command, or indicative of information sufficient for the user equipment terminal to determine whether to obey a power change command because it is based on data andor control information.
30. An apparatus as in claim 29, wherein the processor is further configured to:
provide a signal for communication to the wireless communication terminal conveying the delaytiming indicator.
31. An apparatus, for use by an element of a radio access network communicably coupled to a user equipment wireless communication terminal, comprising:
means for obtaining or determining a delaytiming indicator value or values indicative of one or more components of a time period required to receive a signal from a wireless communication terminal indicating data andor control information and to then transmit to the wireless communication terminal a corresponding power change command.
32. An apparatus as in claim 31, further comprising:
means for providing a signal for communication to the wireless communication terminal conveying the delaytiming indicator.
33. A base station of a radio access network, comprising:
an apparatus as in claim 29; and
a radio front end, for communicatively coupling to a user equipment wireless communication terminal.
34. A controller of a radio access network also including a base station controlled by the controller, comprising:
an apparatus as in claim 29; and
a transmitter, for communicatively coupling to the base station.
35. A base station of a radio access network, comprising:
an apparatus as in claim 29; and
a radio front end, for communicatively coupling to a user equipment wireless communication terminal, responsive to the delaytiming indicator, configured to transmit the delaytiming indicator to the user equipment wireless communication terminal.
36. A controller of a radio access network also including a base station controlled by the controller, comprising:
an apparatus as in claim 29; and
a transmitter, for communicatively coupling to the base station, configured to transmit the delaytiming indicator to the base station for delivery to the user equipment wireless communication terminal.