What is claimed is:
1. Colored lead or colored chalk, having a porous basic lead body comprising a filler material and a non-ionic associative thickener as primary components, wherein basic lead body cavities are filled with a solid or liquid phase.
2. Colored lead or colored chalk according to claim 1 wherein
the associative thickener comprises a copolymer of at least one polyoxy-ethyleneglycol polymer (PEG) with 5 to 300 CH2CH2O-monomers and n-alkoxy-alkylglycouril monomers.
3. Colored lead or colored chalk according to claim 1, wherein the copolymer comprises tetramethoxy-methylglycouril monomers.
4. Colored lead or colored chalk according to claim 3 wherein the copolymer comprises PEG-180 (q.v.), dodoxynol-5 (q.v.), PEG-25-tristyrylphenol and tetramethoxy-methylglycouril monomers.
5. Colored lead or colored chalk according to claim 1 that comprises an organic binder.
6. Colored lead or colored chalk according to claim 5 wherein said binder is sodium alginate.
7. Colored lead or colored chalk according to claim 1 wherein the filler material comprises polymethylmethacrylate particles.
8. Colored lead or colored chalk according to claim 1 wherein the filler material comprises mica.
9. Colored lead or colored chalk according to claim 1 that comprises a wetting agent.
10. Colored lead or colored chalk according to claim 9 wherein the wetting agent comprises disodium-laureth-sulfosuccinate.
11. Colored lead or colored chalk according to claim 1 comprising at least one component selected from the group consisting of oils, waxes, fats, fatty acid derivatives and water-soluble emulsifiers.
12. Colored lead or colored chalk according to claim 1 wherein the portion of the solid or the liquid phase filling the cavities is 20 to 45%.
13. Colored lead or colored chalk according to claim 12 comprising at least one component selected from the group consisting of water or watery preparations, oils, waxes, fats, fatty acid derivatives and emulsifiers as solid or liquid phase.
14. Colored lead or colored chalk according to claim 13 comprising a fatty acid derivative selected from the group consisting of hydrogenated palm kernel glycerides and hydrogenated palm glycerides.
15. Colored lead or colored chalk according to claim 1 that contains pigments as coloring agents.
16. Colored lead or colored chalk according to claim 1 with the following composition:
8
Basic lead body:
copolymer or associative thickener
0.1-3%
organic binder
0-5%
filler materials
24-60%
wetting agents
0-6%
wax andor fat andor fatty acid derivative andor
0-6%
emulsifier
coloring agent
0-30%
additive (e.g. aromatic agents, perfumes,
0-15%
preserving agents, skin-care substances
(optionally also micro-encapsulated))
Solidliquid phase in the cavities:
water or watery preparation or oils andor waxes
20-45%
andor fats andor emulsifiers
17. Colored lead or colored chalk according to claim 1 that additionally comprises at least one additive selected from the group consisting of aromatic agents, perfumes and skin-care substances in a micro-encapsulated form.
18. Colored lead or colored chalk according to claim 1 that comprises volatile silicon oils.
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 of communication amongst a plurality of endpoints, comprising:
establishing a logical communication channel amongst said plurality of endpoints;
implementing said logical communication channel using at least one physical communication link of at least one communication network;
propagating, at a first time, at least one initial media stream within said logical communication channel; and
at a second time, at least one of: (a) bridging at least one media stream onto said logical communication channel and (b) removing at least one media stream from said logical communication channel.
2. The method of claim 1, further comprising:
registering said plurality of endpoints with a service provider prior to said logical communication channel being established.
3. The method of claim 1, further comprising:
at least one of adding at least one endpoint to, and removing at least one endpoint from, said plurality of endpoints at any time after said first time.
4. The method of claim 1, wherein each of said plurality of endpoints comprises one of a user element and a network element.
5. The method of claim 1, wherein each said at least one communication network comprises one of a packet-switched network, a circuit-switched network, and a wireless communication network.
6. The method of claim 1, wherein each said physical communication link comprises one of an Internet link, a wireless communication link, and a plain old telephone service (POTS) link.
7. The method of claim 1, wherein each said at least one media stream and each said at least one additional media stream comprises one of a voice stream, a digital audio stream, a video stream, and a data stream.
8. The method of claim 7, wherein said data stream comprises an instant messaging stream.
9. A method of communication amongst a plurality of endpoints, comprising:
establishing a logical communication channel amongst said plurality of endpoints;
implementing said logical communication channel using a first physical communication link;
propagating, at a first time, a first media stream within said logical communication channel; and
switching, at a second time, said logical communication channel from said first physical communication link to a second physical communication link without establishing another logical communication channel.
10. The method of claim 9, further comprising:
switching, at said second time, said first media stream to a second media stream without establishing another logical communication channel.
11. The method of claim 9, further comprising:
registering said plurality of endpoints with a service provider prior to said logical communication channel being established.
12. The method of claim 9, further comprising:
at least one of adding at least one endpoint to, and removing at least one endpoint from, said plurality of endpoints at any time after said first time.
13. The method of claim 9, wherein each of said plurality of endpoints comprises one of a user element and a network element.
14. The method of claim 9, wherein said first physical communication link comprises one of an Internet link, a wireless communication link, and a plain old telephone service (POTS) link, and said second physical communication link comprises another of said Internet link, said wireless communication link, and said plain old telephone service (POTS) link.
15. The method of claim 9, wherein each said first media stream comprises one of a voice stream, a digital audio stream, a video stream, and a data stream, and said second media stream comprises another of said digital audio stream, said video stream, and said data stream.
16. A communication system, comprising:
at least one communication network for establishing a logical communication channel amongst a plurality of endpoints, said logical communication channel propagating at least one media stream, said logical communication channel using at least one physical communication link of said at least one communication network; and
a controller for, subsequent to said logical communication channel being established, at least one of: bridging at least one media stream onto said logical communication channel and (b) removing at least one media stream from said logical communication channel.
17. The system of claim 16, wherein each said at least one communication network comprises one of a packet-switched network, a circuit-switched network, and a wireless communication network.
18. The system of claim 16, wherein each said physical communication link comprises one of an Internet link, a wireless communication link, and a plain old telephone service (POTS) link.
19. A communication system, comprising:
at least one communication network for establishing a logical communication channel amongst a plurality of endpoints, said logical communication channel propagating a first media stream, said logical communication channel using a first physical communication link of said at least one communication network; and
a controller for switching, at a second time, said logical communication channel from said first physical communication link to a second physical communication link without establishing another logical communication channel.
20. The system of claim 19, wherein said controller is further configured to:
switch, at said second time, said first media stream to a second media stream without establishing another logical communication channel.
21. The system of claim 19, wherein said first physical communication link comprises one of an Internet link, a wireless communication link, and a plain old telephone service (POTS) link, and said second physical communication link comprises another of said Internet link, said wireless communication link, and said plain old telephone service (POTS) link.