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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Katchman; Arthur
Address:
Delmar, NY
No. of patents:
32
Patents:












Patent Number Title Of Patent Date Issued
4528327 Composition of polyphenylene ethers with core-shell rubber-modified polystyrene July 9, 1985
There are provided thermoplastic compositions comprising a polyphenylene ether and a rubber modified polystyrene resin having a discontinuous phase comprised largely of particles consisting of a core of polystyrene in a shell of a diene rubber membrane, said particles constituting at lea
4454271 Blends of polyphenylene ether resins and styrene-tert-butylstryene copolymers June 12, 1984
Homogeneous blends of polyphenylene ether resin and copolymers of styrene and 4-tert-butylstyrene are described. Rubber modifiers can be included in the copolymer or the blend. The blends are moldable into highly ductile articles having higher heat distortion temperature.
4433088 Polyphenylene ether compositions and process February 21, 1984
Novel compositions are provided which comprise a polyphenylene ether, optionally a high impact polystyrene, optionally, an effective amount of an aromatic phosphate flame retardant, and a low molecular weight polymer selected from a polyolefin glycol or a polyamide, said composition bein
4389511 Blends of polyphenylene ether resins and styrene-tert-butylstyrene copolymers June 21, 1983
Homogeneous blends of polyphenylene ether resin and copolymers of styrene and 4-tert-butylstyrene are described. Rubber modifiers can be included in the copolymer or the blend. The blends are moldable into highly ductile articles having higher heat distortion temperature.
4373055 Impact resistant polyphenylene ether resin compositions containing radial teleblock copolymers February 8, 1983
Thermoplastic compositions moldable to articles of high impact strength are provided which comprise an intimate admixture of a polyphenylene ether resin, a styrene resin, and a radial teleblock copolymer comprising a vinyl aromatic compound, a conjugated diene, and a coupling agent.
4365042 Compositions of polyphenylene oxides with EPDM-silicone rubber December 21, 1982
There are provided novel compositions comprising blends of polyphenylene oxides with EPDM-silicone rubber, and optionally a polystyrene resin. The compositions when molded exhibit improved ductility and impact strength. Included within the disclosure are methods of preparing and molding
4365038 Composition of polyphenylene ether resins and EPDM-polystyrenes modified with silicone oil December 21, 1982
Novel compositions are provided which include a polyphenylene ether resin and EPDM-rubber polystyrene modified or polymerized with silicone oil which is free from unsaturated hydrocarbon groups. Included within the disclosure are methods of preparing and molding such compositions and the
4341882 Low resistivity thermoplastic compositions July 27, 1982
Improved thermoplastic compositions are described. These compositions exhibit low resistivities making them particularly suitable for use in electrical applications. These compositions comprise a composition of polyphenylene ether and alkenyl aromatic resins in combination with an ef
4301059 Compositions of a polyphenylene ether resin and an aromatic alkenyl resin that is modified by ru November 17, 1981
Novel thermoplastic molding compositions are described which are based on the combination of a polyphenylene ether resin and an alkenyl aromatic resin that is modified by rubber particles in the form of bundles of rubber fibers or rubber sheets.
4252913 Low molecular weight polyphenylene ether compositions February 24, 1981
There are provided thermoplastic compositions comprising a low molecular weight polyphenylene ether resin which has an intrinsic viscosity of less than about 0.4, preferably less than 0.33 deciliters/gram as measured in chloroform at 30.degree. C., a styrene resin and an elastomeric bloc
4224209 Polyphenylene ether resin compositions containing poly(alkylene oxides) and phosphate plasticize September 23, 1980
Novel compositions are disclosed which comprise a polyphenylene ether resin, a plasticizer, and a poly(alkylene oxide). Also disclosed are compositions comprised of a polyphenylene ether resin, a rubber-modified alkenyl aromatic resin, and a poly(alkylene oxide) as well as compositions
4172929 Plated polyphenylene ether resin compositions containing EPDM rubber-modified alkenyl aromatic r October 30, 1979
Novel plated compositions are disclosed which include a polyphenylene ether resin, a small-particle EPDM rubber-modified alkenyl aromatic resin, and a hydrogenated A-B-A block polymer. Also included within the scope of this invention are reinforced and flame-retardant compositions of sai
4164493 Polyphenylene ether resin compositions containing polypentenamer August 14, 1979
Novel compositions are disclosed which comprise a polyphenylene ether resin and polypentenamer. Also disclosed are compositions comprised of a polyphenylene ether resin, a rubber-modified alkenyl aromatic resin, and polypentenamer as well as compositions comprised of a polyphenylene ethe
4152369 Method for preparing compositions of a polyphenylene ether resin and an alkenyl aromatic additio May 1, 1979
A novel process is provided for preparing a blend of a polyphenylene ether resin and an alkenyl aromatic addition polymer which comprises using an alkenyl aromatic monomer as a solvent for the oxidative coupling of a phenol to form a polyphenylene ether resin and thereafter polymerizing
4152316 Compositions of a polyphenylene ether resin and alkenyl aromatic resins modified with EPDM rubbe May 1, 1979
Novel compositions are disclosed which include a polyphenylene ether resin and an alkenyl aromatic resin modified with an EPDM rubber comprised of particles having a median diameter less than about two microns. Also included within the scope of this invention are reinforced and flame
4139574 Impact resistant polyphenylene ether resin compositions containing EPDM rubber-modified alkenyl February 13, 1979
Novel compositions are disclosed which include a polyphenylene ether resin, an alkenyl aromatic resin modified with an EPDM rubber, and a hydrogenated radial teleblock copolymer. Also included within the scope of this invention are reinforced and flame-retardant compositions of said
4128604 Polyphenylene ether compositions December 5, 1978
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a rubber modified polystyrene resin. The compositions include a dispersed phase of rubber particles having a maximum mean diameter of 2 microns and preferably from about 0.5 to 2 m
4128603 Compositions comprising polyphenylene ether and rubber modified polystyrene December 5, 1978
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a rubber modified polystyrene resin having not less than 22% by weight of a dispersed elastomeric gel phase. Such elastomeric particles, when dispersed in a martrix of polyphenylene
4128602 Polyphenylene ether compositions containing rubber modified polystyrene December 5, 1978
There are provided high impact strength thermoplastic compositions comprising a polyphenylene ether and a polystyrene resin and rubber of a rubber modified polystryene resin. The compositions include a dispersed elastomeric phase with the dispersed particles having a maximum mean dia
4127558 Compositions of a polyphenylene ether resin and alkenyl aromatic resins modified with EPDM rubbe November 28, 1978
Novel compositions are disclosed which include a polyphenylene ether resin and an alkenyl aromatic resin modified with an EPDM rubber comprised of particles having a median diameter less than about two microns and having a propylene content not greater than about 45% by weight. Also incl
4123475 Antistatic polyphenylene ether compositions October 31, 1978
Thermoplastic compositions comprising a polyphenylene ether resin alone or in admixture with a styrene resin are rendered resistant to the accumulation of surface electrostatic charges by the inclusion, in a minor, effective amount, of an antistatic agent consisting of a mixture of t
4123474 Polyphenylene ether resin compositions containing a diphenylamine October 31, 1978
Novel stabilized compositions of a polyphenylene ether and an alkenyl aromatic resin are disclosed which include a minor amount of a diphenylamine.
4118348 Method for preparing blends of rubber, a polyphenylene ether resin and an alkenyl aromatic addit October 3, 1978
A novel process is provided for preparing a blend of rubber, a polyphenylene ether resin and an alkenyl aromatic addition polymer which comprises using an alkenyl aromatic monomer as a solvent for the oxidative coupling of a phenol to a polyphenylene ether resin and thereafter adding
4102850 High impact polyphenylene ether resin compositions containing mineral oil July 25, 1978
Novel compositions are disclosed which include a polyphenylene ether resin and a small-particle EPDM rubber modified alkenyl aromatic resin containing a small amount of mineral oil. Also included within the scope of this invention are reinforced and flame-retardant compositions of said
4101505 Compositions of a polyphenylene ether resin and EPDM rubber-modified alkenyl aromatic resins hav July 18, 1978
Novel compositions are disclosed which include a polyphenylene ether resin and an alkenyl aromatic resin modified with a small-particle EPDM rubber, the modified resin comprising at least about 2% by weight of toluene-insoluble gel. Also included within the scope of this invention ar
4101504 High impact compositions of a polyphenylene ether resin and alkenyl aromatic resins modified wit July 18, 1978
Novel compositions are disclosed which include a polyphenylene ether resin and a small-particle EPDM-rubber modified alkenyl aromatic resin having an EPDM rubber content of at least 8% by weight. Also included within the scope of this invention are reinforced and flame-retardant composit
4101503 Compositions of a polyphenylene ether resin and high molecular weight alkenyl aromatic resins mo July 18, 1978
Novel compositions are disclosed which include a polyphenylene ether resin and a small-particle EPDM rubber-modified alkenyl aromatic resin characterized by a high molecular weight. Also included within the scope of this invention are reinforced and flame-retardant compositions of said
4073765 Filled polyphenylene ether compositions having improved toughness February 14, 1978
Filled thermoplastic compositions are provided which comprise, in admixture, a polyphenylene ether resin, a styrene resin, a reinforcing amount of a titanate filler and an adipic acid based polyester in an amount at least sufficient to provide enhanced toughness, as measured by impac
4002701 Polyphenylene ether resin compositions containing an N-alkanoyl-p-aminophenol stabilizer January 11, 1977
Novel stabilized compositions of a polyphenylene ether resin and a vinyl aromatic resin are disclosed which include a minor amount of an N-alkanoyl-p-aminophenol.
3994856 Composition of a polyphenylene ether and a block copolymer of a vinyl aromatic compound and a co November 30, 1976
There are provided compositions comprising (a) a polyphenylene ether, (b) an elastomeric block copolymer and (c) a high impact rubber modified polystyrene resin or a blend of a high impact rubber modified polystyrene resin and a homopolystyrene resin.
3960808 Polyphenylene ether composition June 1, 1976
Polyphenylene ether compositions are disclosed which include a rubber-modified, high impact styrene resin and a homopolystyrene having a number average molecular weight between 30,000 and 60,000.
3956423 Polyphenylene ethers composition containing N,N'-di-.beta.-naphthyl-P-phenylene diamine stabiliz May 11, 1976
Novel stabilized compositions of a polyphenylene ether resin and a vinyl aromatic resin are disclosed which include a minor amount of N,N'-di-.beta.-naphthyl-p-phenylene diamine.










 
 
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