Process for the manufacture of stabilized polyester-polycarbonate copolymers
What we claim is: 1. An improved process for the manufacture of thermoplastic polyesters containing carbonate groups and a stabilizer containing phosphorus from linear polyester precondensates which s... Read More
Inventors: Buxbaum, Lothar;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Antioxidant comprising a hydroxy aromatic compound containing sulfur and an organic phosphonate
I claim: 1. An antioxidant composition suitable for use with polymers subject to oxidative degradation, comprising a mixture of a non-metallic hydroxy aromatic compound having at least one sulfur atom... Read More
Inventors: Lyons, Bernard J.;, Assignee: Raychem Corporation (Menlo Park, CA) |
Composition of an aromatic carbonate polymer, a styrene-butadiene styrene radial black copolymer and an acrylate copolymer
What is claimed is: 1. A composition which comprises in admixture a. a major amount of an aromatic carbonate polymer, b. an acrylate copolymer comprising a copolymper of an alkyl acrylate and an alkyl... Read More
Inventors: Liu, Ping Y.;, Assignee: General Electric Company (Mt. Vernon, IN) |
Graftlinked polymers and process for making
OF THE INVENTION The composition which has a tendency to delaminate is comprised of at least two structurally dissimilar organic polymers. The polymers should be so structurally dissimilar that the t... Read More
Inventors: Krabbenhoft, Herman O.;, Assignee: General Electric Company (Mt. Vernon, IN) |
Polymer mixture which comprises an aromatic polycarbonate resin and an impact strength-improving agent
I claim: 1. A polymer mixture which comprises an aromatic polycarbonate resin and an impact strength-improving agent, characterized in that the polymer mixture comprises the following constituents: (a... Read More
Inventors: Sederel, Willem L.;, Assignee: General Electric Company (Mt. Vernon, IN) |
Stabilized polyketone blend
What is claimed is: 1. A composition stabilized against loss of apparent crystallinity when subjected to melting and crystallization cycles which comprises a linear alternating polymer of carbon monox... Read More
Inventors: Smutny, Edgar J.;, Assignee: Shell Oil Company (Houston, TX) |
Particle and method for dispersing additives in thermoplastic resin
The invention having been thus described, what is claimed as new and desired to secure by Letters Patent is: 1. An additive particle adapted to be added to a mass of thermoplastic base resin to impact... Read More
Inventors: Muller, Bruce M.;, Assignee: Customcolor, Inc. (Cumberland, RI) |
Powdered, highly concentrated and stably dispersible dye formulations
1. A powdered, highly concentrated and stably dispersible dye formulation which is practically devoid of dye agglomerate and which consists essentially of: A. at least one water-insoluble dye; B. at l... Read More
Inventors: Daubach, Ewald; Saukel, Heinz; Von Rambach, Leonhard;, Assignee: BASF Aktiengesellschaft (Ludwigshafen (Rhine), DT) |
Pigment preparation
We claim: 1. A pigment composition comprising pigment having deposited thereon at least 5% by weight based on the weight of composition of a complex formed from one or more non ionic polyether surfact... Read More
Inventors: Blackburn, John Bryce; Field, Arnold William;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Disperse dye stable to dyeing, and its use for dyeing and printing synthetic and semi-synthetic fibre materials
What is claimed is: 1. A modification of the dye of the formula ##STR3## which modification is stable to dyeing and is characterised by the X-ray diffraction pattern (CuK-.alpha.-radiation) with the c... Read More
Inventors: Eugster, Peter; Koller, Stefan;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Catheter tubing of controlled in vivo softening
A catheter tubing comprises a stripe or layer of a thermoplastic hydrophobic stiffening polymer encapsulated by a thermoplastic hydrophilic polyurethane base polymer. Preferred stiffening polymers are... Read More
Inventors: Lee, Min-Shiu; Karakelle, Mutlu; Spielvogel, David E.; Taller, Robert A.;, Assignee: Becton, Dickinson and Company (Franklin Lakes, NJ) |
Self-centering disk having an eccentric elliptical-shaped center locating hole
I claim: 1. A disk record member for self-centering around a drive hub in an assembly comprising: a flat substrate essentially circularly shaped; a multilobed center locating drive hole in said substr... Read More
Inventors: Kauffmann, Elwood Ludwig;, Assignee: International Business Machines Corporation (Armonk, NY) |
Oscillating orbital vibrator
The present invention relates to an improved orbital vibrator. More particularly, the present invention relates to an orbital vibrator of the type used to generate seismic reference signals in geophys... Read More
Inventors: Cole, Jack H.;, Assignee: Conoco Inc. (Ponca City, OK) |
Process for producing fatty-acid lower-alkyl mono-esters
We claim: 1. In a process for producing fatty-acid lower-alkyl mono-esters which comprises a first esterification-step (1) wherein one or more fatty-acid glycerolesters and a monohydric lower-alkylalc... Read More
Inventors: Klok, Robbert; Verveer, Herbert H.;, Assignee: Van den Bergh Foods Co., Division of Conopco, Inc. (Lisle, IL) |
Method for transferring heat-transferable dyes
OF THE INVENTION In accord with the present invention a method for the transfer of heat transferable dyes employs dye receiving elements comprising a particular class of aromatic polyesters that are ... Read More
Inventors: Sandhu, M. Akram;, Assignee: Eastman Kodak Company (Rochester, NY) |
Fluid, cold-stable, two-component washing compositions
I claim: 1. A method of washing soiled textiles consisting of the steps of adding a washing agent consisting of two components, A and B wherein component A is an aqueous dispersion of fatty acids cons... Read More
Inventors: Bechstedt, Wolfgang;, Assignee: Henkel Kommanditgesellschaft auf Aktien (Dusseldorf-Holthausen, DE) |
Optical information recording medium
What is claimed is: 1. An optical information recording medium comprising a light transmitting substrate, a light absorptive layer having a complex refractive index comprised of a real part of said co... Read More
Inventors: Hamada, Emiko; Arai, Yuji; Shin, Yuaki; Ishiguro, Takashi;, Assignee: Taiyo Yuden Co., Ltd. (Tokyo, JP) |
Optical recording disk
Therefore, an object of the invention is to provide a novel and improved optical recording disk having a dye base recording layer which disk is less expensive and highly reliable. The present inventio... Read More
Inventors: Arioka, Hiroyuki; Aoi, Toshiki; Ogawa, Akio; Dohi, Hideki;, Assignee: TDK Corporation (Tokyo, JP) |
Directed energy assisted in vacuo micro embossing
OF PREFERRED EMBODIMENTS FIG. 1. shows a diagram of one possible configuration of the embossing machine/station. A drum 1 and pressure roll(s) 2, 3 confine a web (roll or sheet) substrate material 4 ... Read More
Inventors: Kime, Milford B.;, Assignee: |
Method for preparing poly-N-alkenylamines
We claim: 1. A method for preparing thermoplastic poly-N-alkenylamines having the general formula ##EQU2## where A is a tertiary heterocyclic amine, connected to the carbon atom through the nitrogen, ... Read More
Inventors: Sirotkina, Ekaterina Egorovna; Filimonov, Viktor Dmitrievich; Sizova, Ljubov Sergeevna; Tsekhanovskaya, Nina Alexandrovna;, Assignee: |
Polymeric Schiff's bases containing acetylene terminal groups
OF THE INVENTION It has been discovered that acetylene-substituted Schiff's bases can be prepared from the reaction of acetylene-substituted amines and dicarboxaldehydes or from the reaction of acety... Read More
Inventors: Bilow, Norman;, Assignee: Hughes Aircraft Company (Culver City, CA) |
Physically optimized optical disc structure, method and apparatus
The present invention provides structures, methods and apparatus which are useful both in coping with demanding real-time applications of the type mentioned above and in decreasing such materials rela... Read More
Inventors: Howe, Dennis G.; Wrobel, Joseph J.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Polycarbonate from carbonyl halide, bischloroformate and dihydric phenol
What is claimed is: 1. High molecular weight thermoplastic aromatic polycarbonate exhibiting improved processability consisting essentially of at least one recurring structural unit represented by the... Read More
Inventors: Mark, Victor;, Assignee: General Electric Company (Mt. Vernon, IN) |
Optically isotropic devices
OF THE INVENTION As indicated above, in many optical devices it is important that optical clarity and uniformity be achieved. For example, in such uses as optical disks for information storage and le... Read More
Inventors: Prest, Jr., William M.;, Assignee: Xerox Corporation (Stamford, CT) |
Optical recording disk
An object of the present invention is to suppress the appearance of wrinkles of a UV-cured resin surface, thereby to provide an optical recording disk of high C/N ratio and long lifetime. Various U/V-... Read More
Inventors: Horigome, Shinkichi; Niihara, Toshio; Ohta, Norio; Sugita, Yutaka; Miyamura, Yoshinori; Sudo, Ryoichi; Miwa, Hiroaki; Tajima, Tetsuo;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Arm socket and attached hand prosthesis
In view of the above, it is an object of the present invention to provide an arm socket that is easy to put on and that can be fitted by the user to changes in the shape of the residuum or the amount ... Read More
Inventors: Loveall, William H.;, Assignee: |
Method for detecting and separating thermoplastic containers with near infrared fluorosphores
This invention relates to a method for "marking" or "tagging" a thermoplastic polymeric material by incorporating one or more thermally stable, near infrared fluorescing compounds therein by admixing ... Read More
Inventors: Cushman, Michael R.; Krutak, James J.; Parham, William W.; Coates, Clarence A.; Weaver, Max A.; Patonay, Gabor;, Assignee: Eastman Chemical Company (Kingsport, TN) |
Digital information recording media and method of using same
OF THE INVENTION The present invention relates in general to a light-stable colorant system that is mutable by exposure to narrow band-width ultraviolet radiation and to a recording medium employing ... Read More
Inventors: Nohr, Ronald Sinclair; MacDonald, John Gavin;, Assignee: Kimberly-Clark Corporation (Neenah, WI) |
Method for tagging thermoplastic materials with near infrared fluorophores
This invention relates to a method for "marking" or "tagging" a thermoplastic polymeric material by incorporating one or more thermally stable, near infrared fluorescing compounds therein by admixing ... Read More
Inventors: Krutak, James J.; Cushman, Michael R.; Coates, Clarence A.; Parham, William W.; Weaver, Max A.; Patonay, Gabor;, Assignee: Eastman Chemical Company (Kingsport, TN) |
Insulation system
The object of the present invention is therefore to provide an insulation system of the above type which enables good thermal insulation to be obtained with little maintenance work. This object is ach... Read More
Inventors: Heller, Peter; Buck, Reiner;, Assignee: Deutsches Zentrum fuer Luft-und Raumfahrt e.V. (Bonn, DE) |
Manufacturing Materials 
