1-15. (canceled)
16. A crosslinked polyvinyl acetal, characterized in that it can be obtained from at least one polyvinyl acetal (1), which can be obtained by reacting at least one polymer (A), which contains
a) 1.0 to 99.9 wt. % structural units of formula (1)
wherein R1 denotes hydrogen or methyl,
b) 0 to 99.0 wt. % structural units of formula (2)
wherein R2 represents hydrogen or an alkyl radical with 1 to 6 carbon atoms,
c) 0 to 70.0 wt. % structural units of formula (3)
wherein R3, R4, R5 and R6 are, in each case independently of one another, radicals with a molecular weight in the range from 1 to 500 gmol,
d) 0.0001 to 30.0 wt. % structural units of formula (4)
wherein R7 and R8 represent, in each case independently of one another, hydrogen, a carboxyl group or an alkyl group with 1 to 10 carbon atoms, which can optionally have one or more COOH groups as substituents, related in each case to the total weight of polymer (A), with at least one compound (B) of formula (5),
wherein R9 and R10 are, in each case independently of one another, hydrogen, COOH, an alkyl group with 1 to 10 carbon atoms or an optionally substituted aryl group with 6 to 12 carbon atoms, whereby groups of formula (1) and of formula (4) are, at least in part, esterified with one another.
17. The plolvinyl acetal according to claim 16, characterized in that its total content of esterified and non-esterified carboxyl groups lies in the range from 0.001 to 10.0 wt. %, related to the total weight of the polyvinyl acetal.
18. The polyvinyl acetal according to claim 17, characterized in that its total content of esterified and non-esterified carboxyl groups lies in the range from 0.01 to 5.0 wt. %, related to the total weight of the polyvinyl acetal.
19. The polyvinyl acetal according to claim 18, characterized in that its total content of esterified and non-esterified carboxyl groups lies in the range from 0.01 to 2.0 wt. %, related to the total weight of the polyvinyl acetal.
20. The polyvinyl acetal according to claim 16, characterized in that it contains plasticiser.
21. A method for the production of a polyvinyl acetal according to claim 16, characterized in that at least one polyvinyl acetal (I), optionally together with at least one plasticiser, is thermally crosslinked at compound temperatures in the range from 120\xb0 C. to 280\xb0 C.
22. The method according to claim 21, characterized in that the thermal crosslinking is carried out in an extruder, a kneading unit or another heatable unit.
23. A moulding compound containing a polyvinyl acetal according to claim 16.
24. The moulding compound according to claim 23 further containing a polyvinyl acetal with a weight mean of the molecular weight of less that 1,000,000 gmol.
25. The moulding compound according to claim 24, characterized in that the polyvinyl acetal with a weight mean of the molecular weight of less than 10,000,000 gmol can be obtained by reacting at least one polymer (A\u2032), which contains
a) 1.0 to 99.9 wt. % structural units of formula (1)
wherein R1 denotes hydrogen or methyl,
b) 0 to 99.0 wt. % structural units of formula (2)
wherein R2 represents hydrogen or an alkyl radical with 1 to 6 carbon atoms,
c) 0 to 70.0 wt. % structural units of formula (3)
wherein R3, R4, R5 and R6 are, in each case independently of one another, radicals with a molecular weight in the range from 1 to 500 gmol,
d) less than 0.1 wt. % structural units of formula (4)
wherein R7 and R8 represent, in each case independently of one another, hydrogen, a carboxyl group or an alkyl group with 1 to 10 carbon atoms, which can optionally have one or more COOH groups as substituents, related in each case to the total weight of polymer (A\u2032), with at least one compound (B\u2032) of formula (5),
wherein R9 and R10 are, in each case independently of one another, hydrogen, COOH, an alkyl group with 1 to 10 carbon atoms or an optionally substituted aryl group with 6 to 12 carbon atoms, whereby groups of formula (1) and of formula (4) are, at least in part, esterified with one another.
26. The moulding compound according to claim 24, characterized in that the crosslinked polyvinyl acetal and the polyvinyl acetal with a weight mean of the molecular weight of less that 10,000,000 gmol are present in a weight ratio in the range from 1:10 to 10:1.
27. A film containing a moulding compound according to claim 23.
28. Laminated safety glasses comprising a film according to claim 27.
29. A coating containing a moulding compound according to claim 23.
30. An ion-conductive interlayer in an electrochromic system comprising a moulding compound according to claim 23.
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. Device for providing map information data interactively to a display unit operated by a user;
the device comprising a processor and a memory comprising a multi-resolution map information database;
the multi-resolution map information database comprising map information data representing geographical features, the map information data being based on aggregations of at least one of nodes, links and rings, each one of which corresponding to geographical features, offering a number of resolution levels, where
the map information data of a higher resolution level comprises additional map information data, resulting in more detailed map information presented on the display unit, compared to the map information data of a lower resolution level, and
the map information data of a higher resolution level being generated by enhancement of the map information data of a lower resolution level combined with the additional data, the enhancement being based on disaggregation of at least one of the nodes, links and rings;
the processor being configured for:
receiving from the user a request for map information data;
providing to the display unit, in the case of the request being a first request, map in formation data at a predetermined resolution level and, in the case of the request being subsequent request, map information data at a higher resolution level.
2. Device according to claim 1, wherein the predetermined resolution level corresponds to the lowest resolution level.
3. Device according to claim 1, wherein the processor is further configured for, in the case of the request being another subsequent request, providing map information data at a lower resolution level.
4. Device according to claim 1, wherein, in the case of the request being subsequent request, the difference in resolution level between a presently provided map information data and a previously provided map information data is 1, or greater than 1.
5. Device according to claim 1, further comprising communication means and wherein the memory comprising the multi-resolution map information database is remotely located and accessible using the communication means.
6. Device according to claim 1, further comprising communication means and wherein the multi-resolution map information database is arranged in memories at two locations, in which lower resolution levels are arranged in one memory and higher resolution levels are arranged in the other memory.
7. Device according to claim 1, wherein the display unit is constituted by a computer screen.
8. Device according to claim 1, further comprising communication means between the device and the display unit, and the display unit being constituted by one of a cell phone, personal digital assistant (PDA), and a navigator.
9. Device for providing map information data to a planning apparatus for planning at least one of locations of society facility and travel routes;
the device comprising a processor and a memory comprising a multi-resolution map information database;
the map multi-resolution information database comprising map information data representing geographical features, the map information data being based on aggregations of at least one of nodes, links and rings, each one of which corresponding to geographic features, offering a number of resolution levels, where
the map information data of a higher resolution level comprises additional map information data, resulting in more detailed map information, compared to the map information data of a lower resolution level, and
the map information data of a higher resolution level being generated by enhancement of the map information data of a lower resolution level combined with the additional data, the enhancement being based on disaggregation of at least one of the nodes, links and rings;
the processor being configured for:
receiving from the user a request for map information data;
providing to the planning apparatus, in the case of the request being a first request, map information data at a predetermined resolution level and, in the case of the request being a subsequent request, map information data at a higher resolution level.