Abstract: Structures in the nanoscale and mesoscale domain are provided. The structures may have a shell which can be comprised of a porous polymeric material such as parylene. The surfaces of the shell can further comprise pendant functional groups that can provide reactive or passive characteristics. A method of producing nanoscale structures utilizing a porous substrate is further disclosed.

Abstract: Fluorinated paracyclophane compounds represented by the formula where least one of R1 and R2 comprises a fluorinated moiety is disclosed. These compounds can be utilized as precursor dimer compounds to produce polymeric coatings comprising copolymers of trifluorinated paraxylylene.

Abstract: The present invention relates to a method for making shaped structures with internally coated cavities with an inside diameter in the nanometer to micrometer range and the shaped structure obtained thereby.

Abstract: An implantable device having a coating with an eluting membrane and a permeable membrane disposed on a surface of the device is provided. The eluting membrane is typically a polymeric material capable of being infused with a biologically active, therapeutic substance. The permeable membrane is typically a polymeric material having a thickness that controls the rate of transport of the biologically active material to a target tissue. The polymeric materials are typically parylene or derivatives thereof.

Abstract: An ophthalmologic implant for the prophylaxis or treatment of capsule opacification after implantation and completion of wound healing of a synthetic lens is described. This treatment can be repeated if necessary.

Abstract: The invention relates to oriented webs of meso- and nanotubes (hollow fibers) wherein the tubes or hollow fibers have an internal diameter of 10 nm to 50 &mgr;m and are preferentially oriented in one direction and to a process for their production.

Abstract: The invention relates to mesotubes and nanotubes (hollow fibers) having an inner diameter of 10 nm-50 &mgr;m and to a method for the production thereof. The hollow fibers can be produced by coating degradable materials with non-degradable materials, whereby the degradable materials are destroyed by thermal methods, for instance. The hollow fibers are used in separation technology, catalysis, micro-electronics, medical technology, material technology or in the clothing industry.

Abstract: The present invention relates to a method for making shaped structures with internally coated cavities with an inside diameter in the nanometer to micrometer range and the shaped structure obtained thereby.

Abstract: Hollow fibers having an internal diameter from 1 nm to 100 nm can be produced by coating degradable materials with nondegradable materials and then degrading the degradable materials. The hollow fibers are useful in separation technology, catalysis, microelectronics, medical technology, materials technology or the clothing industry.

Abstract: A process for the production of a molding, fiber or film which can be caused to fluoresce by an electrical voltage which comprises using linear mixtures comprising a fluorescent dye from the perylene series and a thermoplastic polymer having a degree of crystallinity of less than 10%.

Abstract: The invention relates to a process for preparing compounds of the formula (I) ##STR1## by pyrolysis, where n is the degree of polymerization and is.gtoreq.2. For this purposes compounds of the formula (II)--R--CO--O--CH.sub.2 --Ar--CH.sub.2 --O--CO--R (II)are pyrolyzed in one stage under conditions resulting in cleavage of the ester bonds under a partial pressure of the esters of p.ltoreq.10 mbar at temperatures T.gtoreq.500.degree. C., with the formation of the corresponding derivatives of 1,4-dimethylene-2,5-cyclohexadiene, but without the latter being cleaved further in subsequent reactions. The polymers of p-xylylene formed by spontaneous polycondensation of the derivatives of 1,4-dimethylene-2,5-cyclohexadiene were then cooled, Ar and R have the following meanings:--Ar-- is a 1,4-phenylene radical or another C.sub.6 -C.sub.12 aromatic or heteroaromatic radical in which the bonds are in the para position or a comparable coaxial or antiparallel position;R-- is preferably branched or unbranched C.sub.1 -C.

Abstract: Vinylene copolymers composed of recurrent structural units of formula I ##STR1## wherein Ar denotes an aromatic or heterocyclic group, R denotes an inert substituent and n stands for an integer with a value from 0-8 and processes for their preparation.

Abstract: Vinylene copolymers composed of recurrent structural units of formula I ##STR1## wherein Ar denotes an aromatic or heterocyclic group, R denotes an inert substitutent and n stands for an integer with a value from 0-8 and processes for their preparation.

Abstract: Vinylene copolymers composed of recurrent structural units of formula I ##STR1## wherein Ar denotes an aromatic or heterocyclic group, R denotes an inert substituent and n stands for an integer with a value from 0-8 and processes for their preparation.