Patents by Inventor Manfred Siebrecht
Manfred Siebrecht 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: 6033698Abstract: A fiber-reinforced, tubular food casing based on regenerated cellulose, which is produced using an amount of viscose solution which is decreased by 10 to 30% in comparison with the standard casing at a spinning speed increased by at least 25%.Type: GrantFiled: March 25, 1996Date of Patent: March 7, 2000Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Herbert Gord, Gerhard Grolig, Manfred Siebrecht
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Patent number: 5690977Abstract: A modified liquid smoke solution containing unmodified aqueous liquid smoke solution, an alkaline neutralizing agent, a synthetic and/or natural oil, a viscosity-increasing component, and one or more emulsifier(s) can be applied to the inner and/or outer surface of a cellulose food casing resulting in uniform smoke transfer to encased food.Type: GrantFiled: January 18, 1995Date of Patent: November 25, 1997Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Leo Mans, Manfred Siebrecht, Hermann Winter
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Patent number: 5662971Abstract: A fiber-reinforced cellulose-based food casing which comprises alginic acid and/or alginate, and fats, fat-like compounds, and/or oils and a non-reinforced cellulose-based food casing which comprises a copolymer containing 80 to 20 mol % of units of the formula I and 20 to 80 mol % of units of the formula II or III ##STR1## in which R.sup.1 to R.sup.4 are identical or different and are hydrogen or (C.sub.1 -C.sub.6)alkyl,Z is O or N--R.sup.5,R.sup.5 is hydrogen or (C.sub.1 -C.sub.6)alkyl,X.sup.- is Cl.sup.-, Br.sup.-, I.sup.-, (C.sub.1 -C.sub.6)alkyl-SO.sub.2 --O.sup.-, (C.sub.1 -C.sub.6)alkyl-O--SO.sub.2 --O.sup.-, HSO.sub.4.sup.- or 1/2 SO.sub.4.sup.2-,n is an integer from 1 to 3 andm is an integer from 2 to 6, andfats, fat-like compounds, and/or oils useful as casings for sausages.Type: GrantFiled: August 11, 1994Date of Patent: September 2, 1997Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Theo Krams
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Patent number: 5595796Abstract: The invention relates to an optionally fiber-reinforced foodstuff casing based on cellulose hydrate, which is impregnated on the inside with a mixture containing 40 to 200 mg/m.sup.2 of an adhesive component and 20 to 2000 mg/m.sup.2 of a non-stick component. The ratio by weight of adhesive to non-stick component is between 4:1 and 1:4. The foodstuff casing is used as sausage casing, in particular for keeping sausage, which has a second packaging in the form of a film or is provided with a dip coating. The casing shows improved peelability.Type: GrantFiled: May 25, 1994Date of Patent: January 21, 1997Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Theo Krams
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Patent number: 5501886Abstract: A cellulose hydrate-based flat or tubular film which is useful as a food casing, particularly preferably as a sausage casing.Type: GrantFiled: July 19, 1994Date of Patent: March 26, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Leo Mans, Theo Krams, Hermann Winter
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Patent number: 5480691Abstract: The invention relates to a tubular food casing, in particular a sausage casing, based on cellulose, which has a coated inner side for improved peelability which is achieved by the presence of polytetrafluoroethylene in the coating solution.Type: GrantFiled: July 19, 1994Date of Patent: January 2, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Leo Mans, Manfred Siebrecht
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Patent number: 5370914Abstract: A tubular food casing, particularly sausage casing, wherein the inner surface of a sausage casing based on cellulose, is provided with a coating comprising alginates, alginic acid, chitosans, or a combination of these active substances, is distinguished by improved peelability.Type: GrantFiled: March 5, 1992Date of Patent: December 6, 1994Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Hermann Winter
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Patent number: 5358784Abstract: A tubular food casing based on cellulose, which on its inner surface has a coating which comprises lecithin and at least one of alginate, chitosans, and casein, has improved peelability from its contents.Type: GrantFiled: March 5, 1992Date of Patent: October 25, 1994Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Hermann Winter
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Patent number: 5316809Abstract: A tubular packaging casing, in particular sausage casing, including a cellulose base layer and a barrier layer against steam and atmospheric oxygen, which is free from chlorine. The barrier layer includes random copolymer based on copolymerized vinyl monomers. The vinyl monomers correspond to the general formula CH.sub.2 .dbd.CR.sup.1 --X, whereinR.sup.1 denotes a methyl group or hydrogen, andX denotes a (--OCOR.sup.2) group or a (--CO.sub.2 R.sup.2) group, with R.sup.2 denoting an alkyl group having 1 to 20, preferably 1 to 10, and in particular 1 to 5 carbon atoms.In a further embodiment, the copolymer also includes copolymerized vinyl monomers of the above formula except that X denotes a (CO.sub.2 H) group or a (CN) group.Type: GrantFiled: May 15, 1991Date of Patent: May 31, 1994Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht
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Patent number: 5143584Abstract: A paper for fiber reinforcement in a base layer of a cellulose-based packaging film, in particular a tubular artificial sausage casing, or for tea-bags, wherein the paper includes alginic acid and/or an alginate which is substantially insoluble in water. A process for producing the paper which includes adding a water-soluble alginate to an aqueous suspension of cellulose fibers and precipitating the water-soluble alginate so as to form a substantially water-insoluble alginic acid or alginate.Type: GrantFiled: June 4, 1990Date of Patent: September 1, 1992Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Hermann Winter
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Patent number: 5043194Abstract: The tubular packaging casing, in particular artificial sausage casing, based on cellulose contains a textile sheet-shaped structure which is surrounded by cellulose and gives the outside of the casing a sturdy texture.Type: GrantFiled: July 27, 1989Date of Patent: August 27, 1991Assignee: Hoechst AktiengesellschaftInventors: Manfred Siebrecht, Klaus-Dieter Hammer
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Patent number: 4975309Abstract: A curved, tubular packing casing of unreinforced cellulose having non-uniform wall thickness in cross-section is disclosed. The area of minimum wall thickness lies opposite the area of maximum wall thickness and is situated in the area of the greater, outer radius of curvature. The maximum wall thickness lies in the range from about 50 to 160 .mu.m, and the minimum wall thickness lies in the range from about 10 to 50 .mu.m. The maximum wall thickness is 50 to 800% greater than the minimum wall thickness.Type: GrantFiled: April 18, 1989Date of Patent: December 4, 1990Assignee: Hoechst AktiengesellschaftInventors: Herbert Gord, Hoang Pho Tu, Manfred Siebrecht, Reinhold Becker
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Patent number: 4879123Abstract: A tube, in particular sausage casing, is composed of mutually connected sections which at the connection point, prior to connection, possess cut edges extending approximately at right angles to the longitudinal axis of the tube and parallel to each other. The sections are connected by an adhesive tape extending around the outside of the tube. When the tube, possessing two folded edges extending parallel to each other, is flattened, the part of the cut edges of one section extending from a first folded edge of the other opposite folded edge is situated within the tube and the other part of this cut edge, which extends from the second folded edge back to the first folded edge, is situated on the outside of the tube. Parts of the cut edge of the other section are situated in reversed arrangement, firstly on the outside of the tube and then within the tube.Type: GrantFiled: April 21, 1988Date of Patent: November 7, 1989Assignee: Hoechst AktiengesellschaftInventor: Manfred Siebrecht
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Patent number: 4871791Abstract: The cellulose-based product, in particular in the form of a film, contains in its wall a primary, permanent plasticizer of one or more crosslinked copolymers made from at least two components. One or more of these components are monomer units containing a terminal, ethylenically unsaturated, polymerizable group or compounds of maleic acid, or fumaric acid. A further component comprises units containing thermally crosslinked groups made from N-methylolamides of unsaturated carboxylic acids. A process is furthermore described for the production of this shaped product, in which the copolymer is metered into the viscose, and the N-methylolamide groups are thermally crosslinked with the cellulose.Type: GrantFiled: April 5, 1988Date of Patent: October 3, 1989Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Hermann Winter
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Patent number: 4666750Abstract: Disclosed is an artificial sausage casing comprising a fiber-reinforced, cellulose-based support tubing and a coating layer applied to the outer surface of the support tubing. The external coating layer comprises a casein crosslinked with glyoxal, and having sorbic acid radicals bonded by a salt-like linkage. The amount of casein in the external coating layer ranges from about 80 to 150 mg/m.sup.2, particularly from about 100 to 130 mg/m.sup.2. In a preferred embodiment, the inside surface of the support tubing is provided with a coating layer which serves either to improve the peelability and/or the adhesion between sausage meat and sausage casing or to provide compactness and gas-tightness.Type: GrantFiled: February 26, 1986Date of Patent: May 19, 1987Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Hermann Winter
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Patent number: 4662403Abstract: A tubular or web-shaped casing material resistant to mold fungus comprising cellulose and a fungicidal content of glycerol monolaurate. Alkali metal salts of fatty acids and/or alkyl-, aryl- and/or alkyl-aryl-sulfonates are preferably used as the emulsifier. Also disclosed is a process for manufacturing the casing material described above and a fungicidal agent for cellulose casings comprising glycerol monolaurate.Type: GrantFiled: August 1, 1984Date of Patent: May 5, 1987Assignee: Hoechst AktiengesellschaftInventors: Klaus-Dieter Hammer, Manfred Siebrecht, Karl-Heinz Wallhausser, Hermann Winter