Matches 1 - 28 out of 28
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EP0545500A1 Capillary collection devices.  
In known capillary collection devices, the collection rate tends to be relatively slow. Furthermore, a barrier is often need to separate two component phases of a liquid which has been collected...
4564467 Oil composition  
This invention concerns an oil composition comprising a major proportion by weight of an oil having a kinematic viscosity of 5 to 30 cSt at 40° C. e.g. a transformer oil, and a minor proportion by...
4561087 Conductive video disc  
A video disc comprises a grooved disc having video information in the form of a surface relief pattern within the groove, the disc made from a plastic material containing finely divided conductive...
4414660 High density information disc  
High density information discs comprising conductive carbon loaded polyvinylchloride discs are lubricated with a fractionated methyl alkyl siloxane lubricant which contains an alkylene oxide...
4410748 High density information disc lubricants  
High density information records comprising a conductive carbon-loaded polyvinylchloride record are lubricated with a long chain polyalkylethylene containing a polar dopant substituted with a long...
4391720 Bis(hydroxylkyl)disiloxanes and lubricant compositions thereof  
Bis(hydroxyalkyl)disiloxane lubricants of the formula ##STR1## wherein R 1 and R 3 are methyl or ethyl and R 2 and R 4 are linear alkyl groups of up to 20 carbon atoms. These compounds are...
4390579 Doped polyphenylene ether lubricant for high density information discs  
High density information discs comprising a conductive carbon-loaded polyvinylchloride disc are lubricated with a polyphenylene ether containing a polar dopant substituted with a long chain alkyl...
4389441 High density information record lubricants  
High density information records comprising a conductive carbon-loaded polyvinylchloride record are lubricated with a fractionated methyl alkyl siloxane lubricant which contains at least two...
4355062 Bis(hydroxyalkyl)disiloxanes and lubricant compositions thereof  
Bis(hydroxyalkyl)disiloxane lubricants of the formula ##STR1## wherein R 1 and R 3 are methyl or ethyl and R 2 and R 4 are linear alkyl groups of up to 20 carbon atoms. These compounds are...
4351048 High density information disc lubricants  
High density information discs are lubricated with a silyl quaternary ammonium salt of the formula ##STR1## wherein R is a lower alkyl group of 1-5 carbon atoms; R 3 is methyl or ethyl; R 4 is an...
4346469 High density information disc  
High density information discs comprising a conductive carbon-loaded polyvinylchloride disc lubricated with a fractionated methyl alkyl siloxane lubricant which contains a hexaalkyldisilazane...
4346468 High density information disc  
High density information discs comprising a conductive carbon-loaded polyvinylchloride disc lubricated with a fractionated methyl alkyl siloxane lubricant which contains a...
4342660 High density information disc lubricants  
High density information discs comprising a conductive carbon loaded polyvinylchloride disc is lubricated with a fractionated methyl alkyl siloxane lubricant which contains an...
4342659 Video disc lubricants  
Molecular distillation of methyl alkyl siloxanes of the formula ##STR1## wherein R 1 and R 2 are alkyl groups of 4-20 carbon atoms and m and p are integers to produce a distillate having a...
4340629 High density information disc  
High density information discs comprising a conductive carbon loaded polyvinylchloride disc is lubricated with a fractionated methyl alkyl siloxane lubricant which contains a quinuclidene additive.
4330583 High density information record lubricants  
High density information records comprising a conductive carbon-loaded polyvinylchloride record are lubricated with a fractionated methylalkylsiloxane lubricant which contains an hydroxylated amine...
4327140 High density information disc lubricants  
High density information discs comprising a conductive carbon loaded polyvinylchloride disc is lubricated with a fractionated methyl alkyl siloxane lubricant which contains an amino alkoxy silane.
4282268 Method of depositing a silicon oxide dielectric layer  
This invention pertains to a method of depositing a silicon oxide, such as silicon dioxide, dielectric layer on a substrate by utilizing a glow discharge and a dielectric precursor having the...
4280941 Video discs and molding compositions therefor  
A polyvinyl chloride based molding composition containing polymer grafted conductive carbon particles has good processability, low heat distortion temperature and good dispersion of the conductive...
4275101 Video disc lubricants  
Molecular distillation of methyl alkyl siloxanes of the formula ##STR1## wherein R 1 and R 2 are alkyl groups of 4-20 carbon atoms and m and p are integers to produce a distillate having a...
4275100 Video disc processing  
A conductive video disc replica is cleaned by washing with an aqueous solution comprising an oxidizing agent, a base and a surfactant of a fluorocarbon added in an amount so that the solution has a...
4241120 Video discs and molding compositions therefor  
A polyvinyl chloride based molding composition containing polymer grafted conductive carbon particles has good processability, low heat distortion temperature and good dispersion of the conductive...
4228050 Conductive molding composition  
An improved molding composition having a bulk resistivity below about 500 ohm-cm at 900 megahertz for compression molding video discs comprising sufficient conductive carbon black particles to...
4216970 Video disc lubricants  
Siloxanes of the formula ##STR1## wherein R 3 and R 3 ' independently at each occurrence are long chain alkyl groups and m is an integer of 0 or 1, can be employed as lubricants for video discs....
4206256 Metallized video disc having an insulating layer thereon  
Methyl alkyl siloxanes can be employed as the dielectric coating on metallized video disc replicas when the metal surface on the disc has a high surface energy.
4148067 Modulated groove records with a thick metal layer and method for making same  
A modulated groove record, such as a video disc, has a coating on a conductive layer bearing the modulated groove formed from the material of the layer. The material may be aluminium and the...
4137550 Video disc with a dielectric layer formed from acetylene and nitrogen  
This invention relates to a video disc with a thin polymeric dielectric layer formed from acetylene and nitrogen in a glow discharge. The dielectric layer has improved age deterioration resistance...
4037251 Data carrier optically read out by transmission, and method of manufacturing said data carrier  
The present invention relates to the protection of relief impressions formed in order to store information on a data carrier which can be optically read out by transmission. The invention relates...
Matches 1 - 28 out of 28