Silanes of the general formula are prepared wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 3 to 14 carbon atoms, R5 is a group having the formula -O(CH2)b- or a polyether group having the formula -(OCnH2n)c-, wherein b has a value of 1 to 6, n has an average value of 2 to 2.5 and c has a ...

Silanes of the general formula wherein R1, R2 and R3 in the molecule are the same or different and represent aliphatic hydrocarbon groups, R4 is a divalent hydrocarbon group with 3 to 14 carbon atoms, R5 is a group having the formula -O(CH2)b- or a polyether group having the formula -(OCnH2n)c-, wherein b has a value of 1 to 6, n has an average value of 2 to 2.5 c has a value of 1 to 1...

A process for preparing 4-alkanoylaryl benzyl ethers of the general formula I I where R is hydrogen, halogen, cyano; alkyl, alkoxy; X is CH2, CH-CH3, CH-CH2-CH3, CH-OCH3 or N-OCH3; Y is oxygen, sulfur, direct linkage or nitrogen; m is 0, 1, 2 or 3; R1 is hydrogen; alkyl, alkenyl, alkynyl or alkoxy; R2 is cyano, halogen, alkyl, alkoxy or haloalkyl; R3 is alkyl; haloalkyl; cycloalkyl; or ...

Hygieniske, absorberende putelegemer benyttes l økendegrad som engangsenheter, laget med et fibrøst,superabsorberende materiale l en lomme som, med bruk avegnede trekkmaterlaler, er væsketett på utsiden ogvæskegjennomtrengellg på Innsiden, men Ikke-absor-berende, hvorved puten l våt tilstand vil føles tørr.Disse gjenstandene belaster avfallssystemet på grunn avsitt Innhold av plast, og Ifølge oppf...

Hygienic, absorbing pad bodies are used increasingly as disposable units, made with a fibrous, super absorbing material in an envelope which, with the use of suitable sheet materials, is liquid tight at the outside, while at the inner side it is liquid permeable, but non-absorbing, whereby the pad in wet condition will feel dry. These articles load the refuse system due to their contents of plasti...

PURPOSE:To provide a ceramic heat-generating member in which a close fitness of a metalized metallic layer, an air-tightness and anti-oxidization characteristics are superior, an electrode terminal is not peeled off, a heat generating member within silicon nitride sintered member is not oxidized, no variation in resistance may occur, a continuous operation can be carried out at a high temperature ...

There is provided by this invention at least three integrated regions, each region having distinct density and fluid affinity gradients, wherein the density and fluid affinity of the composite continuously increases from top to bottom thereby facilitating effective fluid transport and efficient utilization of storage capacity. An additional layer of SA and tissue may be provided to the absorbent p...

Compositions containing trifluoromethane and 1,1,1,2-tetrafluoroethane which are useful as refrigerants in refrigerating machines and air-conditioning systems.

PURPOSE: To improve the precision of aligning by passing a light beam transmitted via a beam splitter and using a refractive index distributing type lens generating an astigmatism. CONSTITUTION: The astigmatism is generated by making the light beam transmitted via the beam splitter 52 and focused pass through the refractive index boom type lens 55. When the astigmatism is generated, the shape of a...

PURPOSE:To obtain a lead frame which can be formed in a low manufacturing cost, enabling formation of high density inner lead with good accuracy by mutually separating the tip portions of the inner lead with a wire discharge processing and forming an end pitch and end width in the particular values. CONSTITUTION:A lead frame is constituted in a package for mounting a high integration circuit chip ...

PURPOSE:To reduce the total thickness of a semiconductor device and a printed board by installing an opening to a printed board and fixing a semiconductor device whose one side is larger than the size of the opening with the opening and fixing a semiconductor device on the rear surface and circuit-connecting each of the semiconductor devices with a pattern. CONSTITUTION:An opening is installed to ...

A sulky for a self propelled lawn mower, the sulky being interconnected by a pivot frame and a horizontal pivot to the mower frame, and a vertical pivot between the sulky frame and wheels in order to retain the operator in a constant position in respect to the mower under all operator conditions.

A sulky for a self propelled lawn mower, the sulky being interconnected by a pivot frame and a horizontal pivot to the mower frame, and a parallelogram link structure to mount the seat to the sulky for automatic adjustment of the seat to lawn mower distance as the mower moves over uneven ground.

A window covering is described wherein at least one translucent or transparent sheet (60) is suspended vertically and has a plurality of parallel vanes (56) projecting rearwardly therefrom. The vanes are formed from fabric material which has either been rigidified with a rigidifying compound or rigidified by the formation of a pocket into which a rigid slat is inserted. Variations are provided for...

Various systems for attaching flexible fabric material (14) to rigid vanes (12) in the construction of window coverings are disclosed. The various systems for attaching the fabric material to the vanes create varying aesthetic patterns while providing long-term durability. The systems described can be used to connect single or double sheets of fabric material to the faces of rigid vanes while enab...

De uitvinding betreft een wateroplosbare hars die toepasbaar is als dispergeermiddel. De hars is in hoofdzaak opgebouwd uit eenheden van : A) een monoether van een polyetheenglycol met 5-100 ethyleenoxide-eenheden per molecuul, en B) het reaktieprodukt van B1) een overzadigd vetzuur, B2) een alpha-beta-ethylenisch onverzadigde carbonylverbinding waarbij de molaire verhouding A):B) tussen 0,2:1 en ...

De uitvinding betreft een deur bestaande uit een deurblad en daarbijhorende te monteren dagstukken en deurlijsten, waarbij de draaias van het deurblad op een afstand ligt van het dagstuk, en het dagstuk een naar het deurblad gerichte doorlopende komvormige holte vertoont waarin de betreffende rand van het deurblad past, gekenmerkt doordat hogerbedoelde komvomrige holte (2) een doorlopende open kam...

Polynucleotides containing abasic, cleavable sites are provided. These polynucleotides are useful in a variety of biochemical and chemical contexts, particularly in solid phase nucleic acid hybridization assays because a captured probe can be released from the support. The polynucleotides have the structure where R is selected from the group consisting of 2-nitrobenzyl, 4-penten-1-yl, ...

A drop on demand type ink jet printhead. The ink jet printhead includes a cover plate formed from an active material, a main body portion having an ink-carrying channel axially extending therein and a device for supplying a pressurized flow of ink to the ink-carrying channel. A rear side surface of the cover plate is mounted to a front side surface of the main body portion to block the ejection of...