Patents by Inventor Andreas Oberlinner
Andreas Oberlinner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5053524Abstract: 3-Aminophenylpentane-1,5-diones of the formula I ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, cyano-C.sub.2 -C.sub.4 -alkyl, hydroxy-C.sub.2 -C.sub.4 -alkyl, chloro-C.sub.2 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.2 -alkyl which can be substituted by chlorine, or phenyl which can be substituted by clorine or methyl, or R.sup.1 and R.sup.2 form, together with the nitrogen to which they are bonded, a heterocyclic radical which can contain further hetero atoms,R.sup.3 is hydrogen, fluorine, chlorine, C.sub.1 -C.sub.2 -alkyl or C.sub.2 -C.sub.5 -alkoxy or, if R.sup.3 is ortho to --NR.sup. R.sup.2, R.sup.3 and R.sup.2 together form C.sub.2 -C.sub.4 -alkylene, which can be substituted, or 1,2-phenylene andA is naphthyl or a radical of the formula II ##STR2## where X is hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.5 -alkyl, hydroxyl, C.sub.1 -C.sub.5 -alkoxy, phenoxy, phenyl-C.sub.1 -C.sub.Type: GrantFiled: April 27, 1990Date of Patent: October 1, 1991Assignee: BASF AktiengesellschaftInventors: Friedrich-Wilhelm Raulfs, Udo Mayer, Andreas Oberlinner
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Patent number: 4966983Abstract: Benzopyrans of the formula ##STR1## where X is a radical ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and the ring A have the meanings stated in the description, a process for their preparation, and their use in pressure-sensitive or heat-sensitive layers.Type: GrantFiled: March 16, 1989Date of Patent: October 30, 1990Assignee: BASF AktiengesellschaftInventors: Andreas Guentner, Udo Mayer, Andreas Oberlinner
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Patent number: 4958021Abstract: Benzopyran derivatives of the formula ##STR1## where X is the radical ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and also the ring A have defined meanings are used in pressure- or heat-sensitive layers.Type: GrantFiled: July 19, 1988Date of Patent: September 18, 1990Assignee: BASF AktiengesellschaftInventors: Andreas Guentner, Udo Mayer, Andreas Oberlinner
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Patent number: 4935059Abstract: Basic rhodamine dyes suitable for use in recording fluids for the ink jet process and for coloring paper stock have the formula ##STR1## where L is C.sub.2 -C.sub.10 -alkylene,R.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl or C.sub.5 -C.sub.7 -cycloalkyl or R.sup.1 and R.sup.2 together with the nitrogen atom linking them together are a hetero cyclic radical,An.sup..crclbar. is one equivalent of an anion and m and n are each independently of the other 0 or 1.Type: GrantFiled: June 15, 1989Date of Patent: June 19, 1990Assignee: BASF AktiengesellschaftInventors: Udo Mayer, Andreas Oberlinner
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Patent number: 4841050Abstract: Benzopyrans of the formula ##STR1## where X is a radical ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and the ring A have the meanings stated in the description, a process for their preparation, and their use in pressure-sensitive or heat-sensitive layers.Type: GrantFiled: March 12, 1987Date of Patent: June 20, 1989Assignee: BASF AktiengesellschaftInventors: Andreas Guentner, Udo Mayer, Andreas Oberlinner
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Patent number: 4717423Abstract: Mixtures of dye precursors which contain (a) the lactone of 2-carboxy-4,4'-bisdimethylaminobenzhydrol (I) and (b) crystal violet lactone and/or one or more fluoran lactones of the formula ##STR1## where R.sup.1 is alkyl, R.sup.2 is alkyl, phenalkyl, unsubstituted or substituted phenyl or cycloalkyl, or ##STR2## is pyrrolidinyl, piperidinyl or morpholinyl, R.sup.3 is H or tert.-butyl, R.sup.4 is H or methyl, R.sup.5 is H, alkyl or phenalkyl and R.sup.6 is H, alkyl, phenalkyl, cycloalkyl or unsubstituted or substituted phenyl, or ##STR3## is pyrrolidinyl, piperidinyl or morpholinyl, possess improved lightfastness in pressure-sensitive recording systems.Type: GrantFiled: February 27, 1986Date of Patent: January 5, 1988Assignee: BASF AktiengesellschaftInventors: Rainer Dyllick-Brenzinger, Udo Mayer, Andreas Oberlinner
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Patent number: 4647675Abstract: Novel compounds of the general formula I ##STR1## where A.sup..crclbar. is an anion, R is hydrogen or unsubstituted or substituted alkyl or cycloalkyl, R.sup.1 and R.sup.2 independently of one another are each hydrogen or unsubstituted or substituted alkyl or cycloalkyl, or one of the radicals may furthermore be aryl, or R.sup.1 and R.sup.2, together with the nitrogen atom, form a saturated heterocyclic structure, the radicals R.sup.3 independently of one another are each hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 and R.sup.5 independently of one another are each unsubstituted or substituted alkyl or cycloalkyl, or one of the radicals may furthermore be hydrogen, aryl or hetaryl, R.sup.4 and R.sup.5, together with the nitrogen atom, form a saturated heterocyclic structure, n is 1, 2 or 3, X is hydrogen, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or nitro and Y is hydrogen or chlorine, are particularly useful for dyeing paper stocks.Type: GrantFiled: July 11, 1985Date of Patent: March 3, 1987Assignee: BASF AktiengesellschaftInventors: Udo Mayer, Andreas Oberlinner
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Patent number: 4611070Abstract: Dye-forming components of the general formula ##STR1## where A is the radical of a fused benzo ring or 2,1-naphthalene ring, and either radical may be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, nitro, chlorine, bromine or C.sub.1 -C.sub.6 -alkoxycarbonyl, R.sup.1 is C.sub.1 -C.sub.16 -alkyl, C.sub.7 -C.sub.10 -phenylalkyl or phenyl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, chlorine or bromine, and R.sup.2 and R.sup.3 independently of one another are hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.4 -alkyl, which is substituted by cyano, chlorine, methoxy or ethoxy, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.7 -C.sub.10 -phenylalkyl or trimethylene which is unsubstituted or substituted by 1, 2 or 3 methyl groups and is bonded to the carbon in the 6- and/or 8-position of the benzo ring, or R.sup.2 is C.sub.1 -C.sub.4 -alkyl and R.sup.3 is phenyl which is unsubstituted or substituted by chlorine, bromine, C.sub.1 -C.sub.Type: GrantFiled: January 4, 1982Date of Patent: September 9, 1986Assignee: BASF AktiengesellschaftInventor: Andreas Oberlinner
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Patent number: 4603202Abstract: Fluorans of the formula (I) ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or unsubstituted or substituted alkyl, R.sup.3 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl or unsubstituted or substituted phenyl, or ##STR2## is a 5-membered or 6-membered saturated heterocyclic radical, R.sup.4 and R.sup.5 independently of one another are each hydrogen, alkyl, alkoxy or halogen, R.sup.6 is hydrogen, halogen, alkyl, alkoxy, phenylalkoxy, phenoxy, phenyl or unsubstituted or substituted amino, or is pyrrolidinyl, piperidinyl or morpholinyl, R.sup.7 is hydrogen, alkyl or halogen, R.sup.8 is C.sub.1 -C.sub.5 -alkyl, and the radicals R.sup.4 and R.sup.5 and/or R.sup.6 and R.sup.7 together may furthermore each be a --CH.dbd.CH--CH.dbd.CH-- bridge, and the fused-on benzo ring may be further substituted, are used for the preparation of pressure-sensitive and heat-sensitive recording materials.Type: GrantFiled: October 12, 1984Date of Patent: July 29, 1986Assignee: BASF AktiengesellschaftInventors: Udo Mayer, Andreas Oberlinner
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Patent number: 4345073Abstract: Dye intermediates of the formula ##STR1## where R.sup.1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 carbon atoms, R.sup.2 is hydrogen or R.sup.1 and R.sup.2 together are dimethylene, trimethylene or tetramethylene, which are unsubstituted or substituted by alkyl of 1 to 12 carbon atoms, R.sup.3 and R.sup.5 are hydrogen, alkyl of 1 to 12 carbon atoms, cyano-, chlorine-, methoxy- or ethoxy-substituted alkyl of 2 to 4 carbon atoms, cycloalkyl of 5 to 7 carbon atoms, phenylalkyl of 7 to 10 carbon atoms or trimethylene which is unsubstituted or substituted by 1 to 3 methyl and is bonded to the carbon atom in the 6-position or 6'-position of the benzene ring, R.sup.4 and R.sup.Type: GrantFiled: January 29, 1981Date of Patent: August 17, 1982Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4316027Abstract: Dye intermediates of the formula ##STR1## where R.sup.1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 carbon atoms, R.sup.2 is hydrogen or R.sup.1 and R.sup.2 together are dimethylene, trimethylene or tetramethylene, which are unsubstituted or substituted by alkyl of 1 to 12 carbon atoms, R.sup.3 and R.sup.5 are hydrogen, alkyl of 1 to 12 carbon atoms, cyano-, chlorine-, methoxy- or ethoxy-substituted alkyl of 2 to 4 carbon atoms, cycloalkyl of 5 to 7 carbon atoms, phenylalkyl of 7 to 10 carbon atoms or trimethylene which is unsubstituted or substituted by 1 to 3 methyl and is bonded to the carbon atom in the 6-position or 6'-position of the benzene ring, R.sup.4 and R.sup.Type: GrantFiled: April 6, 1978Date of Patent: February 16, 1982Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4161589Abstract: Spirodipyrans of the formula ##STR1## where A is the radical of a fused benzene ring or 2,1-naphthalene ring, the rings being unsubstituted or substituted by alkyl, alkoxy, nitro, chlorine, bromine or carbalkoxy,R.sup.1 is alkyl, phenyl, substituted alkyl or phenalkyl andR.sup.2 is hydrogen, orR.sup.1 and R.sup.2 together are trimethylene which is unsubstituted or substituted by 1, 2 or 3 alkyl andB is N-morpholinyl, substituted morpholinyl, thiomorpholinyl-S-dioxide, N-(N'-alkyl)-piperazinyl or N-isoindolinyl,And pressure-sensitive recording materials containing these spirodipyrans as dye-forming components.With electron acceptors, the spirodipyrans give reddish violet to blue colorations, while no coloration is produced on paper which has not been coated with an electron acceptor.Type: GrantFiled: August 8, 1978Date of Patent: July 17, 1979Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4147509Abstract: A pressure-sensitive recording material which comprises a substrate bearing a dye-forming component and a binder. The dye-forming component is a spirodipyran of the formula ##STR1## where A is the radical of a fused benzene or naphthalene ring (which rings may or may not be substituted), R.sup.1 is alkyl of 1 to 16 carbon atoms, substituted or unsubstituted phenyl or phenalkyl of 7 to 10 carbon atoms, R.sup.2 is H or together with R.sup.1 is a trimethylene or tetramethylene bridge which is unsubstituted or substituted by from 1 to 3 alkyl, R.sup.3 is benzyl or .beta.-phenylethyl and R.sup.4 is benzyl, .beta.-phenylethyl or substituted or unsubstituted phenyl, or R.sup.3 is alkyl of 1 to 4 carbon atoms and R.sup.4 is substituted or unsubstituted phenyl or R.sup.3 is benzyl and R.sup.4 is .beta.-cyanoethyl. The recording materials give violet to bluish green colorations (copies) only on paper coated with an electron acceptor.Type: GrantFiled: January 9, 1978Date of Patent: April 3, 1979Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4119622Abstract: An azo compound useful in copying processes of the formula ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms, R.sup.2 and R.sup.3 are each alkyl of 1 to 4 carbon atoms, or one of the radicals R.sup.1, R.sup.2 and R.sup.3 is unsubstituted phenyl or phenyl substituted by alkyl of 1 to 4 carbon atoms, methoxy or ethoxy, and A denotes ##STR2## where R.sup.4 and R.sup.5 are each hydrogen; alkyl of 1 to 8 carbon atoms which may be substituted by hydroxy, alkoxy, halogen or alkoxycarbonyl; cyanoethyl; alkylcarbonyl with 1 to 3 carbon atoms in the alkyl; cyclohexyl; phenalkyl of 7 to 10 carbon atoms; or substituted or unsubstituted phenyl, or R.sup.4 is N,N-dialkylaminoalkyl or N,N-bisphenalkylaminoalkyl, or the group ##STR3## is a 5-membered or 6-membered saturated heterocyclic ring which may contain an --O-- or --S-- group as ring member, Y is hydroxy, alkyl, alkoxy, chlorine, bromine or alkylcarbonylamino, n is 0, 1 or 2, R.sup.6 and R.sup.Type: GrantFiled: November 1, 1976Date of Patent: October 10, 1978Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4110348Abstract: Dye intermediates of the formula ##STR1## where R.sup.1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 carbon atoms, R.sup.2 is hydrogen or R.sup.1 and R.sup.2 together are dimethylene, trimethylene or tetramethylene, which are unsubstituted or substituted by alkyl of 1 to 12 carbon atoms, R.sup.3 and R.sup.5 are hydrogen, alkyl of 1 to 12 carbon atoms, cyano-, chlorine-, methoxy- or ethoxy-substituted alkyl of 2 to 4 carbon atoms, cycloalkyl of 5 to 7 carbon atoms, phenylalkyl of 7 to 10 carbon atoms or trimethylene which is unsubstituted or substituted by 1 to 3 methyl and is bonded to the carbon atom in the 6-position or 6'-position of the benzene ring, R.sup.4 and R.sup.Type: GrantFiled: March 1, 1977Date of Patent: August 29, 1978Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 4029677Abstract: New spirodipyrans of the formula ##STR1## in which A is an optionally substituted benzene or naphthalene nucleus, B is dimethylene, trimethylene or tetramethylene substituted by from 1 to 3 alkyl groups and R.sup.1 and R.sup.2 are each alkyl of 1 to 6 carbon atoms, which may be substituted by cyano. The compounds (I) give deep blue to violet colorations with acid materials. They may be used for the manufacture of pressure-sensitive recording materials. The compounds (I) exhibit improved solubility in the solvents used for the manufacture of microcapsules.Type: GrantFiled: June 5, 1975Date of Patent: June 14, 1977Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 3985376Abstract: Use of a 4-(4'-aminophenyl)-pyridine as a dye-forming component for a pressure-sensitive recording material.Type: GrantFiled: March 13, 1975Date of Patent: October 12, 1976Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 3971808Abstract: Spirodipyrans based on condensed pyrylium salts and 4-dialkylamino-2-hydroxybenzaldehydes, their manufacture and their use as chromogenic materials in pressure-sensitive recording materials, particularly copying papers.Type: GrantFiled: May 7, 1974Date of Patent: July 27, 1976Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Andreas Oberlinner
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Patent number: 3971821Abstract: Aminobenzaldehyde compounds and a process for their production by the reaction of an aniline with a formamide in the presence of an acid halide with or without a following reaction with a nitrogen compound. The products are starting materials for the production of optical brighteners, dyes, plant protection agents and medicaments.Type: GrantFiled: December 9, 1974Date of Patent: July 27, 1976Assignee: BASF AktiengesellschaftInventors: Hans Baumann, Klaus Grychtol, Andreas Oberlinner