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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Mueller-Tamm; Heinz
Address:
Ludwigshafen, DT
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
4092468 Manufacture of olefin polymers May 30, 1978
A process for the manufacture of olefin polymers by polymerizing .alpha.-monoolefins of 2 to 8 carbon atoms by means of a catalyst which is obtained from a silicon-containing material (component a), an organo-metallic compound containing alkyl groups (component b) and a chromium comp
4064198 Process for the manufacture of shaped articles by graft polymerization December 20, 1977
Process for the manufacture of shaped articles of a mixture of polystyrene and a copolymer of ethylene with vinyl ester, acrylate or methacrylate. To this end, the said copolymers having a content of from 3 to 40% by weight of unsaturated ester are reacted with monomeric styrene in aqueo
4048414 Manufacture of olefin polymers September 13, 1977
A process for the manufacture of olefin polymers by polymerization of monoolefins using a silicic xerogel/chromium trioxide catalyst obtained by (1) synthesizing a particulate silicic xerogel, (2) doping said xerogel with chromium trioxide or a chromium compound capable of converting to
4042770 Manufacture of olefin polymers August 16, 1977
This invention relates to a process for the manufacture of olefin polymers by polymerization of monoolefins with the aid of a silicic xerogel/chromium trioxide catalyst obtained by (1) synthesizing a particulate silicic xerogel, (2) doping this xerogel with chromium trioxide or a chr
4037042 Manufacture of olefin polymers July 19, 1977
A process for the manufacture of olefin polymers by polymerization of .alpha.-monoolefins by means of a silicic acid xerogel/chromium trioxide catalyst, which is obtained by a method wherein (1) a finely divided silicic acid xerogel is first manufactured by (1.1) employing a silicic
4026854 Molding compositions based on bitumen and olefin copolymers May 31, 1977
Non-tacky molding compositions containing mixtures of bitumen, olefin copolymers and substituted aromatic compounds having at least one functional group, such as dimethyl terephthalate and phthalonitrile. Molding compositions comprising the mixtures of the invention are suitable for
4020025 Extrudable foamable composition comprising an olefin polymer, a styrene polymer and a hydrogenat April 26, 1977
Foams of mixtures of polyolefins and styrene polymers are produced by mixing the polymers with low-boiling expanding agents in the presence of a hydrogenated styrene/butadiene block polymer or a graft polymer of styrene on a polyolefin at temperatures above the softening point of the pol
4007321 Manufacture of particulate olefin polymers February 8, 1977
Particulate olefin polymers are prepared by catalytic polymerization of monoolefins in an auxiliary liquid containing the monomers to be polymerized in dissolved form and the particulate polymer product in suspended form. The reaction mixture is recycled in a loop to which the starti
3998912 Manufacture of graft copolymers December 21, 1976
Unsaturated carboxylic acids are grafted onto copolymers of ethylene and carboxylates. Carboxylic acid containing initiator is caused to diffuse into shaped elements of the copolymers, polymerization then being carried to completion by heating. The products exhibit no fish eyes and are h
3992341 Filaments and fibers and their manufacture November 16, 1976
Filaments and fibers based on polypropylene or copolymers thereof having a content of from 10 to 90% by weight of bitumen and a process for their manufacture, in which a mixture based on polypropylene or copolymers thereof and containing from 10 to 90% by weight of bitumen is melt-spun
3992320 Manufacture of a modified titanium component for catalysts of the Ziegler-Natta type November 16, 1976
A process for the manufacture of a modified titanium-containing component of a catalyst for the polymerization of a .alpha.-monoolefins by the Ziegler-Natta method wherein (a) a compound containing titanium and (b) a compound containing phosphorus are ground dry in a vibratory ball mill.
3977997 Manufacture of a modified titanium component for Ziegler-Natta catalysts August 31, 1976
A process for the manufacture of a modified titanium-containing component of a Ziegler-Natta catalyst for the polymerization of C.sub.3-6 .alpha.-monoolefins, wherein a specific titanium-containing compound and a specific phosphorus-containing compound are dry-milled at a specific gr
3973060 Process of applying non-adhesive coatings to plastics August 3, 1976
A process for coating moldings of plastics which tend to stick together at room temperature by applying solutions containing a nonadhesive resin of (1) a copolymer of at least one member of the group consisting of styrene and methylstyrene and a monoester of at least one member of the gr
3969335 Manufacture of homopolymers of 4-methylpentene-1 July 13, 1976
Homopolymers of 4-methylpentene-1 are prepared by homopolymerization of 4-methylpentene-1 at a temperature above room temperature, in the presence of hydrogen and in contact with a Ziegler/Natta catalyst system. The polymerization is carried out at a relatively very high temperature and
3969333 Manufacture of copolymers of 4-methylpentene-1 July 13, 1976
Copolymers of 4-methylpentene-1 are prepared by copolymerization of 4-methylpentene-1 with one or more other C.sub.2-18 .alpha.-alkenes at a temperature above room temperature and in the presence of hydrogen using a Ziegler/Natta catalyst system. The polymerization is carried out at a
3951858 Manufacture of a modified titanium component for catalysts of the Ziegler/Natta type April 20, 1976
A process for the manufacture of a modified titanium component for catalysts of the Ziegler/Natta type by milling a mixture of a titanium compound of the formula TiCl.sub.3 .13AlCl.sub.3 and an organic electron donor containing phosphorus and/or nitrogen atoms. The characterizing fea
3949019 Process for the manufacture of graft polymers April 6, 1976
Process for the manufacture of graft polymers from copolymers of ethylene with vinyl esters, acrylates or methacrylates by grafting an ethylenically unsaturated carboxylic acid thereto in the presence of a free-radical polymerization initiator. Homogeneous graft copolymers are obtained f
3937691 Manufacture of poly (.alpha.-olefins) February 10, 1976
A process for the manufacture of poly(.alpha.-olefins) by polymerization of .alpha.-olefins using a catalyst system comprising (1) a titanium-containing component of (1.1) a substance of the formula TiCl.sub.3 . 1/3 AlCl.sub.3 and (1.2) an organic electron donor containing phosphorus










 
 
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