Patents by Inventor Erich Penzel
Erich Penzel 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).
-
Patent number: 5726224Abstract: Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.3 -alkyl and X is O or NH, and from 20 to 85% by weight of other monomers capable of undergoing free radical copolymerization are used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I. The resultant powders are added to mineral binders.Type: GrantFiled: September 11, 1996Date of Patent: March 10, 1998Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
-
Patent number: 5624748Abstract: Packaging materials are produced by a process which comprises coating substrates suitable for packaging with an aqueous solution or emulsion which contains a copolymer A) composed ofa) from 10 to 100% by weight of an ethylenically unsaturated C.sub.3 -C.sub.5 -carboxylic acid or C.sub.3 -C.sub.5 -di-carboxylic acid or anhydrides or half-esters of the dicarboxylic acids,b) from 0 to 50% by weight of an ethylenically unsaturated compound having at least one sulfo or sulfonate group andc) from 0 to 70% by weight of further monomers,and a polyester B) and, if required, then applying further top coats.Type: GrantFiled: September 5, 1995Date of Patent: April 29, 1997Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Hermann Seyffer, Eberhard Beckmann, Norbert Sendhoff
-
Patent number: 5604272Abstract: Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.5 -alkyl and X is O or NH, andfrom 20 to 85 % by weight of other monomers capable of undergoing free radical copolymerizationare used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I.Type: GrantFiled: May 25, 1995Date of Patent: February 18, 1997Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
-
Patent number: 5462978Abstract: Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.5 -alkyl and X is O or NH, and from 20 to 85% by weight of other monomers capable of undergoing free radical copolymerization are used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I.Type: GrantFiled: June 6, 1994Date of Patent: October 31, 1995Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
-
Patent number: 4731402Abstract: Floor covering adhesives substantially comprisingA. a dispersion of a copolymer of20-60% by weight of vinylidene chloride34-80% by weight of a mixture of 40-80 parts by weight of esters of acrylic acid with C.sub.1 -C.sub.18 -alkanols and 20-60 parts by weight of vinyl esters and0.5 to 6% by weight of .alpha.,62 -monoolefinically unsaturated C.sub.3 -C.sub.5 -mono- and/or dicarboxylic acids and/or amides thereof and/or vinyl sulfonate,B. 30-150 parts by weight (solid), based on 100 parts of a copolymer of A, of tackifying resins from the group of the rosins and derivatives thereof,C. 0-50 parts by weight, based on 100 parts of resin B, of plasticizers and/or liquid resins and also, if desired,D. fillers,are shampoo-resistant and have a high peel strength.Type: GrantFiled: October 21, 1986Date of Patent: March 15, 1988Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Lothar Maempel, Hans J. Neumann, Karl-Clemens Peters, Oral Aydin
-
Patent number: 4663384Abstract: Paints and renders contain, as binders, aqueous dispersions of copolymers which have a minimum film-forming temperature of from -15.degree. to 20.degree. C. and consist of(a) from 10 to 50% by weight of vinylidene chloride, up to half of which may be replaced with vinyl chloride,(b) from 44 to 88% by weight of esters of acrylic and/or methacrylic acid with alkanols of 1 to 18 carbon atoms and, if required, styrene, vinyl acetate, vinyl propionate or a mixture of these monomers and(c) from 2 to 6% by weight of .alpha.,.beta.-monoolefinically unsaturated mono- and/or dicarboxylic acids of 3 to 5 carbon atoms and/or their amides.Type: GrantFiled: November 1, 1985Date of Patent: May 5, 1987Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Walter Prange, Michael Melan, Eckehardt Wistuba, Alfred Mueller
-
Patent number: 4612392Abstract: N-substituted acrylamide or methacrylamide derivatives of the general formula ##STR1## where m is 0 or 1, n is 1, 2, 3 or 4, n-m is 1, 2, 3 or 4, X is Br or Cl, and R.sup.1 and R.sup.2 are each CH.sub.3 or H, are prepared by reacting an aromatic haloalkyl compound with N-methylolacrylamide or N-methylolmethacrylamide in the presence of a strong acid.Type: GrantFiled: February 25, 1983Date of Patent: September 16, 1986Assignee: Basf AktiengesellschaftInventors: Kaspar Bott, Erich Penzel, Guenter Eckert
-
Patent number: 4424298Abstract: Emulsion copolymerization of acrylic or methacrylic acid esters with from 0.3 to 10% by weight of .alpha.,.beta.-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides, with or without up to 25% by weight of styrene, acrylonitrile, vinyl acetate and/or vinyl chloride, using the emulsion feed process, gives particularly concentrated copolymer dispersions if an emulsifier system of 0.01-5.0% by weight of a sulfuric acid half-ester of an oxyalkylated alkylphenol and 0.01-1% by weight of a dialkyl sulfosuccinate, where alkyl is of 6 to 18 carbon atoms, is employed and the polymerization is carried out at pH 2-6.Type: GrantFiled: April 28, 1982Date of Patent: January 3, 1984Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Guenter Eckert, Lothar Heider, Lothar Wuertele, Werner Schackert
-
Patent number: 4267091Abstract: Binders which comprise (A) an aqueous emulsion of a copolymer A, having a glass transition temperature of 0-50.degree. C., of monoolefinically unsaturated carboxylic acid esters, with or without styrene, vinyl acetate, vinyl chloride and acrylonitrile, which copolymer contains, as copolymerized units, small amounts of monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides (of which the nitrogen atoms may or may not be alkyl-substituted and/or alkylol-substituted) and small amounts of monomers containing carbonyl groups, (B) from 0.05 to 1 mole, per mole of carbonyl groups present in the copolymer A, of a water-soluble aliphatic dihydrazine compound and (C) from 0 to 0.Type: GrantFiled: April 17, 1979Date of Patent: May 12, 1981Assignee: BASF AktiengesellschaftInventors: Hans J. Geelhaar, Erich Penzel, Gregor Ley
-
Patent number: 4257859Abstract: Quaternary ammonium compounds of the formula ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is H, halogen, phenyl, alkyl, alkoxy or alkylthio,R.sup.3 is H or alkyl, hydroxyalkyl, cycloalkyl or aralkyl,R.sup.4 and R.sup.5 are identical or different and each is alkyl, phenyl, cycloalkyl or aralkyl orR.sup.4 and R.sup.5 together are a --(CH.sub.2).sub.4 -- bridge, a --(CH.sub.2).sub.5 -- bridge or a --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 -- bridge,R.sup.6 is alkyl andX.sup..crclbar. is Cl.sup..crclbar., Br.sup..crclbar., I.sup..crclbar., CH.sub.3 SO.sub.4.sup..crclbar. or C.sub.2 H.sub.5 SO.sub.4.sup..crclbar., a process for their preparation from Mannich bases of the formula ##STR2## and alkylating agents, and the use of these quaternary ammonium compounds as initiators for the photopolymerization of polymerizable mixtures containing olefinically unsaturated compounds, especially for the preparation of aqueous polymer dispersions or polymer solutions.Type: GrantFiled: July 12, 1979Date of Patent: March 24, 1981Assignee: BASF AktiengesellschaftInventors: Martin Fischer, Werner Kuesters, Erich Penzel, Wolfgang Rehder, Walter Trautmann
-
Patent number: 4255310Abstract: Films obtained from paints based on conventional aqueous polymer dispersions exhibit improved wet adhesion to alkyd resin-coated substrates and improved blocking resistance if the paints contain polyglycidylamines which carry 2 or more glycidyl groups which are bonded to hydrogen-free nitrogens.Type: GrantFiled: August 9, 1979Date of Patent: March 10, 1981Assignee: BASF AktiengesellschaftInventors: Knut Oppenlaender, Rainer Strickler, Hans J. Geelhaar, Josef Lamprecht, Erich Penzel, Gregor Ley
-
Patent number: 4250070Abstract: Aqueous dispersions of carbonyl-containing copolymers, which dispersions contain from 0.02 to 1 mole, per mole of carbonyl group, of organic hydrazine derivatives possessing 2 or more hydrazine radicals, and from 0.0002 to 0.02 mole, per mole of the hydrazine derivatives, of heavy metal ions give coatings, impregnations and finishes which are particularly easy to cross-link.Type: GrantFiled: January 16, 1979Date of Patent: February 10, 1981Assignee: BASF AktiengesellschaftInventors: Gregor Ley, Erich Penzel, Walter Rebafka, Kaspar Bott
-
Patent number: 4191838Abstract: Acryloxy- and methacryloxy-alkyl-propanals and a process for their manufacture by esterifying the corresponding .beta.-hydroxyalkylpropanals with acrylic acid and methacrylic acid, respectively, in the presence of an acid esterification catalyst and of an inert diluent.Type: GrantFiled: May 1, 1978Date of Patent: March 4, 1980Assignee: BASF AktiengesellschaftInventors: Franz Merger, Friedrich Towae, Erich Penzel