Abstract: The disclosure is directed to a solar module comprising at least one photovoltaic cell arranged in an essentially planar photovoltaic layer. The photovoltaic layer is being arranged between a front face and a back face of the solar module and a camouflaging for angle dependent reduction of the visibility of the at least one photovoltaic cell for a predefined range of viewing angles with respect to the front face.

Abstract: A solar roof tile for covering a pitched roof and for being mounted to battens of the pitched roof by means of a holding means which includes an oblong beam extending in a longitudinal direction and including a first support supported in a mounted position on a first upper batten of the pitched roof and a second support supported in the mounted position on a second lower batten. At least one rest is interconnected to the solar roof tile as a separate part for holding the solar roof tile on the holding means.

Abstract: A holding means for a solar roof tile includes an oblong beam extending in a longitudinal direction, a first support supported in a mounted position on a first upper batten of a pitched roof, and a second support supported in the mounted position on a second lower batten. The holding means further includes at least one rest for the solar roof tile and a drain channel arranged adjacent to the at least one rest and extending in the longitudinal direction to drain atmospheric water along a longitudinal outer edge of the solar roof tile.

Abstract: The present disclosure relates to a method and a device for wiring photovoltaic cells into a string of photovoltaic cells, as well as a module comprising a string of photo voltaic cells. The photovoltaic cells are typically arranged in a first direction and are electrically interconnected by elongated wiring elements on their respective back faces in series.

Abstract: A holding means for a solar roof tile includes an oblong beam extending in a longitudinal direction, a first support supported in a mounted position on a first upper batten of a pitched roof and a second support supported in the mounted position on a second lower batten. The holding means further includes at least one rest for the solar roof tile and a drain channel arranged adjacent to the at least one rest and extending in the longitudinal direction to drain atmospheric water along a longitudinal outer edge of the solar roof tile.

Abstract: A method for creating a photovoltaic system comprising several interconnected solar panels. The method includes the steps of generating an image of an installation site of the photovoltaic system; receiving, from a user, image coordinates corresponding to points on the image; defining an installation area of the solar panels using the image coordinates; receiving site-specific data of the installation site and solar panel specification data of one or more types of solar panels; and generating a layout of the solar panels within the installation area using the installation area, the site-specific data, and solar panel specification data.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being a sulfo-group-containing dichloro-diazine selected from compounds of formula (I), (II), (III) and mixtures of two or more thereof, wherein R1 signifies hydrogen, methyl, methoxy, benzoyl, naphthoyl, mono- or di(C1-4-alkyl)-aminocarbonyl, C1-8-alkoxy-carbonyl or oxy-mono- or oligo-C2-3-alkyleneoxy)-carbonyl, R2—(SO3M)n signifies a radical of formula (a) or (b), wherein R3 signifies hydrogen, C1-8-alkyl or C1-8-alkoxy, m is 1 or 2, n is 1 or 2, and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or belt with a tanning agent (A) of at least a mixture of compounds of formula (I) and formula (II), wherein Hal signifies fluorine or chlorine, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of formula (III), —(—C2-3 alkylene-O—)q—H (III); R2 signifies a) phenyl, mono- or di-substituted with SO3M or COOM and optionally substituted also with hydroxyl, C1-4-alkyl C1-4-alkoxy; b) naphthyl, mono- or di- or tri-substituted with SO3M and optionally substituted also with hydroxyl; c) C1-8-alkylene, substituted with (SO3M) or (COOM); d) aradical of formula (IV), —(—C2-3 alkylene-O—)p—Y (IV) or e) a radical of formula (IVa) —(C2-3 alkylene-O)p—C2-3 alkylene-SO2CH2CH2O—Y (IVa), M signifies 1 or 2, p signifies 0 or 1, Y signifies hydrogen or —SO3M, q signifies 1 to 10, M signifies hydrogen, an alkali metal cation or an ammonium cation being aprotonated tertiary amine or a quaternary ammonium

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), wherein Hal signifies chlorine or fluorine, X signifies N or CR, Y signifies hydrogen, C1-8-alkyl, C1-4-alkyl-carbonyl, C-1-4-alkyl-sulphonyl or a radical of formula (Ia), or (Ib) —(—C2-3 alkylene-O—)q—H (Ib), R signifies hydrogen or chlorine, q is 1 to 10 and M signifies hydrogen, an alkali metal cation or an ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath having a pH of from 6 to 10 at the beginning of the tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (+NR3)0-1, wherein R is a substituted or unsubstituted C1 to C6 alkyl group, a substituted or unsubstituted C6 to C10 aryl or a C5 to C6heteroaryl group, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of a formula (Ia), -(—C2-3 alkylene-O—)q—H (Ia), R2 signifies hydrogen or hydroxyl, m, signifies 1, 2 or 3, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an ammonium cation, being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (+NR3)0-1, wherein R is a substituted or unsubstituted C1 to C6 alkyl group, a substituted or unsubstituted C6 to C10 aryl group or a C5 to C6 heteroaryl group, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of a formula (Ia), —(—C2-3 alkylene-O—)q—H (Ia), R2 signifies substituted or unsubstituted C2 to C8 alkylenesulphonic acid, substituted or unsubstituted C2 to C8 alkylenecarboxylic acid or an alkyleneoxy radical of formula (Ib), —(—C2-3 alkylene-O—)m—Y (Ib) or an alkylene sulfonyl alkyleneoxy radical of formula (Ic), —(—C2-3 alkylene-O—)p—C2-3 alkylene- SO2CH2O—Y (Ic), m signifies 1 or 2, p signifies 0 or 1, q is of from 1 to 10, Y signifies hydrogen or —SO3M, M signifies hydrogen or an alkali metal cation or an ammonium cation,

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of a formula (I), wherein X signifies fluorine or chlorine, and/or (+NR3)0-1, wherein R is a substituted or unsubstituted C1 to C6 alkyl group, a substituted or unsubstituted C6 to C10 aryl or a C5 to C6 heteroaryl group, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of a formula (Ia), —(—C2-3 alkylene-O—)q—H (Ia), R2 signifies hydrogen, hydroxyl, C1-4-alkyl or C1-4-alkoxy, m, signifies 1 or 2, n signifies 0 to 2, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step, wherein the bated hide or skin or pelt is subjected to tanning with (A) without previous pickling.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (1), R—NH—Y—SO2—Z (1), wherein R is a radical of formula wherein Hal is fluorine or chlorine, X is N or CR1, Y is an aliphatic, aromatic or aromatic hydrocarbonic bridge which may be optionally be interrupted by a heteroatom or heteroatomic group, Z is vinyl, ?-chloroethyl, ?-phosphatoethyl or ?-sulphatoethyl, R1 is hydrogen or Cl, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least a mixture of compounds of formula (I) and formula (II), wherein Hal signifies fluorine or chlorine, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of formula (III), —(—C2-3 alkylene-O—)q—H??(III) R2 signifies a) phenyl, mono- or di-substituted with SO3M or COOM and optionally substituted also with hydroxyl or C1-4-alkyl or C1-4-alkoxy, or b) naphthyl, mono- or di- or tri-substituted with SO3M and optionally substituted also with hydroxyl, or c) C1-8-alkylene, substituted with (SO3M) or (COOM), or d) a radical of formula (IV), —(—C2-3 alkylene-O—)p—Y??(IV) e) or a radical of formula (IVa), —(C2-3 alkylene-O)p—C2-3 alkylene-SO2CH2CH2O—Y??(IVa) m signifies 1 or 2, p signifies 0 or 1, Y signifies hydrogen or —SO3M, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an am

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), wherein Hal signifies chlorine or fluorine, X signifies N or CR Y signifies hydrogen, C1-8-alkyl, C1-4-alkyl-carbonyl, C1-4-alkyl-sulphonyl or a radical of formula (Ia), or (Ib) —(—C2-3 alkylene-O—)q—H??(Ib) R signifies hydrogen or chlorine, q is 1 to 10 and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of the tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being a sulpho-group— containing dichloro-diazine selected from compounds of formula (I) of formula (II) and of formula (III) and mixtures of two or more thereof, wherein R1 signifies hydrogen, methyl, methoxy, benzoyl, naphthoyl, mono- or di(C1-4-alkyl)aminocarbonyl, C1-8-alkoxy-carbonyl or oxy-mono- or oligo-(C2-3-alkyleneoxy)-carbonyl R2-(SO3M)n signifies a radical of formula R3 signifies hydrogen, C1-8-alkyl or C1-8-alkoxy, m is 1 or 2, n is 1 or 2 and M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), R—NH—Y—SO2—Z??(I), wherein R signifies a radical of formula wherein Hal signifies fluorine or chlorine, X signifies N or CR1, Y signifies an aliphatic, araliphatic or aromatic hydrocarbonic bridge which may optionally be interrupted by a heteroatom or heteroatomic group, Z signifies vinyl, ?-chloroethyl, ?-phosphatoethyl or ?-sulphatoethyl R1 signifies hydrogen or Cl, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), wherein X signifies fluorine, chlorine and/or (+NR3)0-1, wherein R is a substituted C1 to C6 alkyl group or an unsubstituted C1 to C6 alkyl group, an unsubstituted C6 to C10 aryl group or a substituted C6 to C10 aryl group or a C5 to C6 heteroaryl group, R1 signifies hydrogen, C1-8 alkyl or an alkyleneoxy radical of formula (Ia), —(—C2-3alkylene-O—)q—H??(Ia) R2 signifies substituted or unsubstituted C2 to C8 alkylenesulphonic acid, substituted or unsubstituted C2 to C8 alkylenecarboxylic acid or an alkyleneoxy radical of formula (Ib), —(—C2-3alkylene-O—)m—Y??(Ib) or an alkylene sulfonyl alkyleneoxy radical of formula (Ic), —(C2-3alkylene-O)p—C2-3alkylene-SO2CH2CH2O—Y??(Ic) m signifies 1 or 2, p signifies 0 or 1, q is of from 1 to 10, Y signifies hydrogen or —SO3M, M signifies

Abstract: Tanned leather, skin or pelt is produced by non-metal tanning, comprising the step of tanning a bated hide, skin or pelt with a tanning agent (A), the tanning agent (A) being at least one compound of formula (I), wherein X signifies fluorine, chlorine and/or (+NR3)0-1, wherein R is a substituted C1 to C6 alkyl group or an unsubstituted C1 to C6 alkyl group, an unsubstituted C6 to C10 aryl group or a substituted C6 to C10 aryl group or a C5 to C6 heteroaryl group, R1 signifies hydrogen, C1-8-alkyl or an alkyleneoxy radical of formula (Ia), -(—C2-3alkylene-O—)q-H??(Ia) R2 signifies hydrogen or hydroxy, m signifies 1, 2 or 3, q is of from 1 to 10, M signifies hydrogen or an alkali metal cation or an ammonium cation, the ammonium cation being a protonated tertiary amine or a quaternary ammonium cation, in a tanning bath, the tanning bath having a pH of from 6 to 10 at the beginning of tanning step.