Patent classifications
C07C49/167
Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch
The present invention relates to a device for interrupting non-short circuit currents only, and in particular relates to a disconnector, more particularly high voltage disconnector, or to an earthing switch, more particularly make-proof earthing switch, and further relates to a low voltage circuit breaker. The device comprises at least two contacts movable in relation to each other between a closed state and an open state and defining an arcing region, in which an arc is generated during a current interrupting operation and in which an arc-quenching medium comprising an organofluorine compound is present. According to the application, a counter-arcing component is allocated to the arcing region, the counter-arcing component being designed for counteracting the generation of an arc and/or being designed for supporting the extinction of an arc.
Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch
The present invention relates to a device for interrupting non-short circuit currents only, and in particular relates to a disconnector, more particularly high voltage disconnector, or to an earthing switch, more particularly make-proof earthing switch, and further relates to a low voltage circuit breaker. The device comprises at least two contacts movable in relation to each other between a closed state and an open state and defining an arcing region, in which an arc is generated during a current interrupting operation and in which an arc-quenching medium comprising an organofluorine compound is present. According to the application, a counter-arcing component is allocated to the arcing region, the counter-arcing component being designed for counteracting the generation of an arc and/or being designed for supporting the extinction of an arc.
COMPOUNDS FOR SOLUBILIZING POLYMERS
Disclosed are compounds and methods for solubilizing polymers and oligomers. The compounds have the formula:
##STR00001##
wherein R.sup.1, Q.sup.1 and Q.sup.2 are defined herein.
COMPOUNDS FOR SOLUBILIZING POLYMERS
Disclosed are compounds and methods for solubilizing polymers and oligomers. The compounds have the formula:
##STR00001##
wherein R.sup.1, Q.sup.1 and Q.sup.2 are defined herein.
Rare earth complex and light emitting element
A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom from a condensed polycyclic aromatic compound represented by the following formula (I) or (II): ##STR00001##
DEVICES HAVING A RARE EARTH (OXY) FLUORIDE COATING FOR IMPROVED RESISTANCE TO CORROSIVE CHEMICAL ENVIRONMENTS AND METHODS FOR MAKING AND USING THESE DEVICES
A genus of rare earth containing chemicals is disclosed. These rare earth containing chemicals are suitable for use in sequential vapor deposition processes to form rare earth fluoride or rare earth oxyfluoride films. Such films may be used to protect materials and devices from corrosive chemicals.
METHOD FOR PRODUCING SALT
According to the present invention, there is provided a method of producing a salt, including reacting M.sup.+X.sup.− with YH to generate XH and M.sup.+Y.sup.− and subsequently removing the generated XH to obtain the M.sup.+Y.sup.−.
In the method of producing a salt, M.sup.+X.sup.− is a salt of a cation represented by M.sup.+ and an anion represented by X.sup.−, M.sup.+Y.sup.− is a salt of the cation represented by M.sup.+ and an anion represented by Y.sup.−, XH is a conjugate acid of X.sup.−, YH is a conjugate acid of Y.sup.−, M.sup.+Y.sup.− is a compound that generates an acid upon irradiation with an active ray or a radioactive ray, a pKa of XH is larger than a pKa of YH, and a ClogP value of XH is larger than 2.
Perfluorinated Allyl Ethers and Perfluorinated Allyl Amines and Methods of Making and Using the Same
##STR00001##
##STR00002##
Described herein is a method to synthesize a perfluorinated allyl ether compound of formula (I) or a perfluorinated allyl amine compound of formula (II) Where R.sub.f.sup.1 and R.sub.f.sup.2 are (i) independently selected from a perfluorinated alkyl group comprising 1-7 carbon atoms, a perfluorinated aryl group comprising a 5- or 6-membered ring, or combinations thereof, and optionally comprising one or more catenated heteroatoms selected from N or O; or (ii) bonded together to form a perfluorinated ring structure having 4-8 ring carbon atoms, optionally comprising at least one catenated O or N atom; and R.sub.f.sup.3 is a perfluorinated alkyl group comprising 1-3 carbon atoms. The resulting perfluorinated allyl ether compounds disclosed herein may be used in polymer synthesis.
Perfluorinated Allyl Ethers and Perfluorinated Allyl Amines and Methods of Making and Using the Same
##STR00001##
##STR00002##
Described herein is a method to synthesize a perfluorinated allyl ether compound of formula (I) or a perfluorinated allyl amine compound of formula (II) Where R.sub.f.sup.1 and R.sub.f.sup.2 are (i) independently selected from a perfluorinated alkyl group comprising 1-7 carbon atoms, a perfluorinated aryl group comprising a 5- or 6-membered ring, or combinations thereof, and optionally comprising one or more catenated heteroatoms selected from N or O; or (ii) bonded together to form a perfluorinated ring structure having 4-8 ring carbon atoms, optionally comprising at least one catenated O or N atom; and R.sub.f.sup.3 is a perfluorinated alkyl group comprising 1-3 carbon atoms. The resulting perfluorinated allyl ether compounds disclosed herein may be used in polymer synthesis.
DEVICE FOR INTERRUPTING NON-SHORT CIRCUIT CURRENTS ONLY, IN PARTICULAR DISCONNECTOR OR EARTHING SWITCH
The present invention relates to a device for interrupting non-short circuit currents only, and in particular relates to a disconnector, more particularly high voltage disconnector, or to an earthing switch, more particularly make-proof earthing switch, and further relates to a low voltage circuit breaker. The device comprises at least two contacts movable in relation to each other between a closed state and an open state and defining an arcing region, in which an arc is generated during a current interrupting operation and in which an arc-quenching medium comprising an organofluorine compound is present. According to the application, a counter-arcing component is allocated to the arcing region, the counter-arcing component being designed for counteracting the generation of an arc and/or being designed for supporting the extinction of an arc.