PCT No. PCT/SE95/00403 Sec. 371 Date Jan. 6, 1997 Sec. 102(e) Date Jan. 6, 1997 PCT Filed Apr. 13, 1995 PCT Pub. No. WO95/29203 PCT Pub. Date Nov. 2, 1995A method for hydrophilizing a hydrophobic plastic surface which exhibits a hydrophobic polymer that has hydrogens that bind to sp3-hybridized carbon atoms, characterized by the steps of: (i) contacting the plastic surface with a liquid having dis...

The present invention is related to an abrasive tool comprising a core and abrasive segments attached to said core wherein said abrasive segments comprise a bond material and superabrasive grains and wherein said segments comprise at least two circumferentially spaced regions and wherein said superabrasive grains are alternately dispersed in said regions in high and low concentrations of superabra...

Foamable compositions which exhibit reduced surface tack and better handling characteristics are obtained through the use of specific combinations of epoxy resins. One or more solid epoxy resins are utilized together with liquid and/or semi-solid epoxy resins. The compositions, which preferably contain hollow glass microspheres, are capable of providing foams which are useful in the manufacture of...

The invention relates to a hydrogel-forming polymer mixture containing a) a hydrogel-forming polymer I with acid rests and b) a hydrogel-forming polymer II with amino and/or imino rests. The ratio of acid rests to the sum of amino/imino rests is between 1: 9 and 9: 1. The invention also relates to the use of said mixture in absorbent hygiene articles.

A method for opening prefabricated pouches for the subsequent filling thereof with each pouch having a circumferential seal and an opening zone comprising holding a pouch on a support and introducing the support with the pouch into a vacuum chamber which has a first opening facing the opening zone of the pouch connected to the environment and a second opening remote from the opening zone, suctioni...

A transaction method, a service center, and a device for carrying out the transaction method. In the transaction method object picture data relating to a transaction object, for example a product or a service, are made visible to a user, for instance by projecting image signals corresponding to the object picture data directly on the retina of the user. Eye features of the user are determined whil...

A method for operating a downhole tool. The method includes moving an instrument through a wellbore, and the instrument includes a first non- acoustic transponder that is adapted to detect identification codes. An identificatio n code detected from at least one second non-acoustic transponder is compared to a reference code. The at least one second non-acoustic transponder is attached to an emplac...

Cellulosic particles for pharmaceutical preparation which comprise at least 10 wt.% crystal cellulose having an average degree of polymerization of 60 to 350 and have an apparent tap density of 0.60 to 0.95 g/mL, a degree of sphericity of 0.7 or higher, a shape factor of 1.10 to 1.50, and an average particle diameter of 10 to 400 .mu.m.

A calf rest is provided for a patient chair. The calf rest may comprise a plate-shaped calf rest pad and a mounting is be mounted on the patient chair by means of a joint arrangement. The joint arrangement may be designed so that the calf rest pad is movable between an inactive moved-away end position, in which the extent of the calf rest pad is substantially parallel to one side of the patient ch...

The movement detector (1) has 2 image sensors (2,3), respectively detecting visible and IR radiation and heat radiation, coupled to an electronic evaluation stage (6). The heat radiation image sensor (3) has a lower resolution than the visible and IR image sensor (2), the evaluation circuit providing combined evaluation of the signals from both sensors.

A spent catalyst distributor in a fluid catalytic cracking unit regenerator is self aerated by attaching to the underside of each trough arm a contiguous lip which captures rising aeration fluid and uses the aeration fluid to aerate spent catalyst flowing through the trough arms of the spent catalyst distributor. Orifices in the bottom plate of each trough arm pass the captured aeration fluid up i...

A process and apparatus for the treatment of flowable waste in a waste treatment reactor and in particular the treatment of waste water in a bioreactor containing a bed of support particles having an attached biofilm and entrapped microorganisms are described. The process includes the steps of intermittently introducing waste water through a discharge port adjacent a bottom surface of the bed to f...

An apparutus and a method for ozone treatment of secondary sludge under contemplation of reducing biosludges occurring during a biological treatment of aqueous organic waste, wherein the apparatus comprises a plurality of reactors for effecting the ozone treatment of the biosludge by contacting the biosludge with an ozone-containing gas, biosludge passages (11,12,13) for flowing the biosludge to...

A silicate material, comprises an amorphous alkali metal oxide and silicon oxide binder matrix containing specified amounts silicon dioxide, water-proofing additive and fine filler. A silicate material comprises an amorphous binder matrix of lithium, sodium and/or potassium oxide and silicon dioxide, wit silicon dioxide content of more than 25 mol per mol alkali metal oxide and a uniformly distrib...

A set gypsum composition and methods for the preparation thereof are disclosed. The set gypsum composition comprises a continuous phase of interlocking set gypsum matrix having an enhanced water voids volume and/or is prepared from a mixture (e.g., slurry) comprising an elevated ratio of water to calcined gypsum. Also disclosed is an article comprising the set gypsum composition.

Used bung type barrels are converted into lid type barrels. A bung type barrel (2) is blow molded with a fixed upper cover (6) having a bung orifice (7) and a carrying ring (12) with an L-shaped cross-section for lifting purposes. For converting to a lid-type barrel the fixed cover is cut away from the barrel body (3) by a circular cut (19) concentric with the barrel axis (13-13) leaving the carry...

The invention concerns a hydration modifying agent for mortar and concrete comprising a combination of 30 to 80% of calcium sulphate, 3 to 60% of ethylene/propylene oxide copolymer and 0.5 to 6% of an activator for the copolymer. The invention also concerns a Portland dry cement comprising 2 to 10 wt. % of said hydration modifying agent and a method for preparing such a mortar or concrete composit...

A method of therapeutic or diagnostic treatment using a medical agent in which there will be beneficial effects if the level of circulating medical agent is reduced artificially faster than the reduction by the normal clearance or routes that obviate normal clearance mechanisms. The method includes the extracorporeal removal of the medical agent by passing bodily fluid from the patient over a supp...

The instant invention comprises a hydroprocessing method having at least two stages. The first stage employs a hydroprocessing catalyst which may contain hydrotreating catalyst, hydrocracking catalyst, or a combination of both. The second stage is limited to hydrocracking. Conversion in the second stage may be improved by the addition of multiple reaction zones for hydrocracking, with flash separa...

The invention relates to novel 15-membered 8a- and 9a-lactams from the class of 6-O-methyl-erythromycin A of general formula (I)their pharmaceutically acceptable addition salts with inorganic or organic acids and their hydrates, to intermediates for their preparation, to a process for their preparation, to their pharmaceutically acceptable addition salts with inorganic or organic acids, to their h...