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952results about How to "Process economy" patented technology

Treatment of biomass to obtain ethanol

Ethanol was produced using biocatalysts that are able to ferment sugars derived from treated biomass. Sugars were obtained by pretreating biomass under conditions of high solids and low ammonia concentration, followed by saccharification.
Owner:ALLIANCE FOR SUSTAINABLE ENERGY +1

Method for forming a fragile layer inside of a single crystalline substrate preferably for making silicon-on-insulator wafers

Process for forming a fragile layer inside of a single crystalline substrate near one of the substrate surfaces. The fragile layer is created by collecting hydrogen in high concentration at a desired depth. The hydrogen layer is collected on a seed layer. The seed layer is formed by ion implantation of non-doping species and annealing. The implantation introduces defects that are capable to trap hydrogen, and annealing confines the seed layer making it flat and thin. Then protium hydrogen ions are implanted at elevated temperature. The protium implantation depth is bigger than the depth of the seed layer. The implanted protium moves to the seed layer and trap there. The process is useful for making silicon-on-insulator (SOI) wafers. SOI with an ultrathin superficial silicon layer of high quality can be obtained. Hydrogen can be implanted at high dose rate, and thus the SOI wafers can be manufactured with high throughput and low cost. SOI wafers also have high quality as superficial silicon does not contain microvoids.
Owner:USENKO ALEXANDER YURI

Biocompatible materials

The present invention teaches a novel approach of creating biocmpatible surfaces, said surfaces being capable of functionally interact with biological material. SAid biocompatible surfaces comrise at least two comonents, such as a hydrophobic substratum and a macromolecule of hydrophilic nature, which, in a cooperativity, form together the novel biocoompatible surfaces. The novel approach is ased on contacting said hydrophobic substratum with a laterally patterned monomolecular layer of said hydrophilic and flexible macromolecules, exhibiting a pronounced excluded volume. The htus formed two component surface is, in respect to polarity and morphology, a molecularly heterogeneous surface. Structural features of said macromolecular monolayer (as e.g. the layer thickness or its lateral density) are determined by: i) the structural features of the layer forming macromolecules (as e.g. their MW or their molecular architecture) and ii) the method of creating said monomolecular layer (as e.g. by physi- or chemisorbing, or by chemically binding said macromolecules). The structural features of the layer forming macromolecules(s) is in turn determined by synthesis. AMount and conformation and thus also biological activity of biological material (as e.g. polypeptides) which contact the novel biocompatible surface, is determined and maintained by the cooperative action of the underlying hydrophobic substratum and the macromolecular layer. In this way it becomes possible to maintain and control biological interactions between said contacted polypeptides and other biological compounds as e.g. cells, antibodies and the like. Consequently, the present invention aims to reduce and/or eliminate the deactivation and/or denaturation associated with the contacting of polypeptides and/or other biological material to a hydrophobic substratum surface.
Owner:BIOSURF APS
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