Société Anonyme dite : L'OREAL Esters rétinoïques de L-cladinose, leur procédé de préparation et leur utilisation en médecine humaine ou vétérinaire et en cosmétique Invention : Michel PHILIPPE Henri SEBAG Esters rétinoïques de L-cladinose. Ces esters répondent à la formule générale: (I) dans laquelle: le radical R1-?- représente soit le radical rétinoyle (all trans) ou (13 cis) soit le radical ét...

Retinoic esters of D-desosamine have the formula (I) wherein the radical is (all trans) retinoyl, (13 cis) retinoyl or etretinoyl, and R2 represents linear or branched alkyl having 1-24 carbon atoms; and the alpha and beta anomers, their mixtures and their salts. These esters are usefully employed in human and veterinary medicines and in cosmetic compositions.

Procédé d'élimination du mercure et éventuellement d'arsenic dans les charges d'hydrocarbures contenant mercure et soufre, caractérisé en ce que l'on fait passer, sous hydrogène, ladite charge au contact d'une masse de captation d'arsenic à propriétés catalytiques renfermant au moins un métal du groupe formé par nickel cobalt fer palladium platine, au moins un métal du groupe formé par chrome moly...

An absorbent element (7) for disposable absorbent articles composed of hydrophilic fibres and a discontinuous layer of particles of a hydrogelling absorbent material (19) disposed on the upper surface of the element includes two ride regions (14) located at least in correspondence with the central part (4) of the element, in which the hydrogelling absorbent material (19) is distributed at a greate...

A chair convertible into a sitting or a reclining position includes front and rear U-shaped standing frames (1 and 2) a U-shaped back frame (4) and arm-rests (3). Two two-position guide members (10) are located one on each side of the front standing frame (1), and each guide member is pivotably coupled at spaced locations (8 and 9) to its associated front standing frame (1) and arm-rest (3). The g...

Apparatus for bending and quenching glass sheets, comprising an oven (3), a station for bending by pressing, in which the glass sheet is picked up by a flexible belt (10). According to the invention, the bending tools consist of cold solid formers (6, 7) ensuring quenching by contact and the flexible belt consists of a weave or knit of refractory fibres whose heat resistance, measured perpend...

A fire-retardant coating material is provided herein for various uses, e.g. for coating housing and building frames to render them highly fire resistant, or for coating commercial structures to tender them highly fire resistant, or for coating interior finished surfaces of homes, buildings, vehicles, or elevators, and to fabrics to render them highly fire resistant. Such composition includes a flu...

TUBULAR COUPLING AND METHOD OF FORMING THE SAME of the Invention A tubular coupling adapted for connection by interference fit and adhesive bonding to a tubular member is disclosed. The tubular coupling includes a tapered section adjacent the adhesive bonding area to reduce the stress concentration in the layer at the point of contact with the composite tube. The interference fit is used to hold t...

A method of ATD switching of data packets according to which various users are connected to a single subscriber line. By providing each data packet for each connection from a user to a receiver with a same identification code, specific information can be stored per user, such as the maximum number of packets transmitted within a time interval and the number of packets still authorized to be transm...

A piezoelectric needle selector utilizes an upstanding knitting cylinder having a multiplicity of needle jacks mounted thereto for independent movement in a direction parallel to the axis of the knitting cylinder. A plurality of piezoelectric actuators, each having a stack of planar piezoelectric elements coupled at one end to a plunger, are mounted via respective holders to a fixed support frame ...

A pneumatic vehicle tire where the sheathing of the bead core ring is made of an elastomeric mixture that adheres well to steel and that contains plasticizer in the form of aromatic oils comprising approximately 2-10 parts silicon oil per one hundred parts elastomer. As a result, the bead core ring sheathing does not fuse with other rubber mixtures and the bead core has a high ability to turn.

PCT No. PCT/DE90/00187 Sec. 371 Date Oct. 25, 1991 Sec. 102(e) Date Oct. 25, 1991 PCT Filed Mar. 15, 1989 PCT Pub. No. WO90/10397 PCT Pub. Date Sep. 20, 1990.A buckle for a safety belt, especially for motor vehicles, for receiving and locking an insertion tongue. A locking latch is provided that is biased in an opening direction and is pivotably mounted in a buckle housing such that in a locking p...

Upright freezer appliance including, arranged one above the other in its enclosure, several storage means 14 of the drawer type at least one of which is provided with a notch 19 which is open at its front side and into which penetrates the upper part of products to be refrigerated contained in bottles or the like, arranged on a storage means located below, the said storage means being laterally pr...

A pneumatic vehicle tire where the sheathing of the bead core ring is made of an elastomeric mixture that adheres well to steel and that contains plasticizer in the form of aromatic oils comprising approximately 2-10 parts silicon oil per one hundred parts elastomer. As a result, the bead core ring sheathing does not fuse with other rubber mixtures and the bead core has a high ability to turn.

A lead automatic supply device for an X-Y plotter has a writing implement stocker connected to a first rotary drive device, and a lead supply stocker rotatably disposed above the writing implement stocker. The lead supply stocker is connected to a second rotary drive device, and a circular line passing through lead storage containers provided in the lead supply stocker and a circular line passing ...

The counter mechanism uses a coil (3) and a permanent magnet (5) which projects into the coil (3) when the latter is in the rest position. The displacement of coil (3) in response to a supplied current is used to index a count wheel (6) via a starwheel drive. The axes of the permanent magnet (5) and the coil (3) lying at a small angle to one another of about 5 degrees 30 minutes. Pref. the height...

An electronic switch comprises a photosensitive semiconductor (1,11,12) and a light source (14,24) which, when actuated, illuminates the semiconductor and causes the latter to become conductive, the photosensitive semiconductor being a sintered mixture comprising, by weight, 63-74% of cadmium, 16-24% of selenium, 8-14% of sulphur, 0.1 - 1% of chlorine, and 0.005 - 0.1% of copper.

A recording-reproducing apparatus comprises a recording medium provided with a recording layer containing at least two kinds of compounds, which compounds respectively form phases, and having regular periodic structure comprising said phases as constituent units; a probe electrode disposed opposingly to said recording medium; a means for applying a voltage between said recording medium and probe e...