Polyphenylene ether resin composition having improved heat stability
What we claim is: 1. A polyphenylene ether resin composition having improved heat stability and good color, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a dip... Read More
Inventors: Sugio, Akitoshi; Masu, Masanobu; Okabe, Masao; Sasaki, Yukio; Ishiyama, Kozo;, Assignee: Mitsubishi Gas Chemical Company, Inc. (JP) |
Combined irrigator and evacuator for closed wounds
OF THE PREFERRED EMBODIMENT Reference will now be made in detail to the present preferred embodiment of the invention, an example of which is illustrated in FIG. 1. The combined irrigator and evacuat... Read More
Inventors: May, Edwin A.;, Assignee: International Paper Company (New York, NY) |
Ring display with locking mechanism
I claim: pg,7 1. A ring display with locking mechanism which comprises: a case; a plate supported by the case and including ring receiving slots; at least one rod rotatably carried by the case and hav... Read More
Inventors: Sandler, H. R.;, Assignee: |
Tab fastener having fixed end anchored to diaper facing and backing
According to the present invention, a single tape tab segment is used on each side of a diaper to secure the diaper about an infant. The tab has a fixed end and a free end. The fixed end is provided w... Read More
Inventors: Cepuritis, Talivaldis;, Assignee: Johnson & Johnson (New Brunswick, NJ) |
Parenteral solution container for aseptic mixing
That which is claimed is: 1. A flexible, collapsible container, carrying therewith a volume of solution comprising from 30 to 70 percent of the holding capacity of said collapsible container, said sol... Read More
Inventors: Stone, Albert J.; Nissen, Michael D.;, Assignee: Baxter Travenol Laboratories, Inc. (Deerfield, IL) |
Interpositioning collar for prosthetic bone insert
We claim: 1. An interpositioning collar for disposition between a metal prosthetic bone implant having a stem and adjacent portions of the bone comprising a substantially flat collar element having a ... Read More
Inventors: Weisman, Sidney; Cotter, Robert F.;, Assignee: Howmedica, Inc. (New York, NY) |
Method for preparing high cis polyalkenamers
What is claimed is: 1. The method which comprises polymerizing a cycloolefin selected from the group consisting of cyclooctene and 1,5-cyclooctadiene to polyalkenamers having cis vinylene contents of ... Read More
Inventors: Bell, Anthony J.;, Assignee: The Goodyear Tire & Rubber Company (Akron, OH) |
Continuous insitu catalyst addition for polybutadiene polymerization
What is claimed is: 1. A method of preparing high cis-1,4-polybutadiene which comprises continuously polymerizing butadiene in mixture with an inert aliphatic or cycloaliphatic solvent employing as a ... Read More
Inventors: Schoneman, Donald P.; Stachowiak, Robert W.;, Assignee: The Goodyear Tire & Rubber Company (Akron, OH) |
Polymerizing C.sub.5 and C.sub.6 olefins and diolefins with 3.degree. hydrocarbyl halide to produce narrow molecular weight petroleum resins having low softening points
What is claimed is: 1. In the process of preparing a low softening point petroleum resin which comprises polymerising using a Friedel-Crafts catalyst a. a petroleum resin feed comprising C.sub.5 olefi... Read More
Inventors: Lepert, Andre;, Assignee: Exxon Research and Engineering Company (Linden, NJ) |
Fusion laminated high-temperature fabric
An improved high-temperature fabric coating system is provided in accordance with the invention. The fabric is light-weight and has improved abrasion resistance and durability and provides an acceptab... Read More
Inventors: Beckley, Don A.;, Assignee: HITCO (Irvine, CA) |
Rhodium hydroformylation catalyst
That which is claimed is: 1. A process for the preparation of a catalyst comprising contacting materials consisting essentially of (1) an organorhodium halide of the formula (L).sub.n Rh(X).sub.m, whe... Read More
Inventors: Zuech, Ernest A.;, Assignee: Phillips Petroleum Company (Bartlesville, OK) |
Catalyst system for the production of polyalkenamers
What is claimed is: 1. In a catalyst system suitable for the ring-opening polymerization of cyclic olefins comprising (a) a salt of tungsten or of molybdenum and (b) an organoaluminum compound, the im... Read More
Inventors: Streck, Roland; Weber, Heinrich;, Assignee: Chemische Werke Huls Aktiengesellschaft (Marl, DT) |
Method for chain-opening polymerization of norbornene derivatives
What is claimed is: 1. A process for producing a polymer or copolymer of a norbornene derivative, which comprises contacting in the presence or absence of an inert solvent at least one norbornene deri... Read More
Inventors: Kotani, Teizo; Matsumoto, Shuichi; Igarashi, Katsutoshi; Suzuki, Kazuo;, Assignee: Japan Synthetic Rubber Co., Ltd. (Tokyo, JP) |
Bulk polymerization of cycloolefins
Ring opening polymerization of cyclic olefins containing the norbornene group is carried out in bulk in presence of at least one tungsten or molybdenum compound catalyst and at least one alkoxyalkylal... Read More
Inventors: Minchak, Robert J.;, Assignee: The B. F. Goodrich Company (Akron, OH) |
Plasticized polydicyclopentadiene and a method for making the same
OF THE INVENTION Dicyclopentadiene can be polymerized in such a manner that the resulting product is a thermoset polymer having high impact strength and flexibility. The preferred monomer is commerci... Read More
Inventors: Klosiewicz, Daniel W.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Method for making a dicyclopentadiene thermoset polymer
OF THE INVENTION Dicyclopentadiene can be polymerized in such a manner that the resulting product is a thermoset homopolymer having high impact strength and high modulus. The preferred monomer is com... Read More
Inventors: Klosiewicz, Daniel W.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Method for making thermoset poly(dicyclopentadiene) and the product so produced
OF THE INVENTION A metathesis-catalyst system polymerizes dicyclopentadiene in such a manner that the resulting product is a thermoset polymer having high impact strength and flexibility. The preferr... Read More
Inventors: Newburg, deceased, Norman R.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Plasticized polydicyclopentadiene and a method for making the same
OF THE INVENTION Dicyclopentadiene can be polymerized in such a manner that the resulting product is a thermoset polymer having high impact strength and flexibility. The preferred monomer is commerci... Read More
Inventors: Klosiewicz, Daniel W.;, Assignee: Hercules Incorporated (Wilmington, DE) |
Preparation of a transition metal catalyst component for Ziegler catalyst systems
We claim: 1. A process for the preparation of a transition metal catalyst component (1) for Ziegler catalyst systems by a method in which (1.1) first (1.1.1) a finely divided, porous, inorganic oxidic... Read More
Inventors: Warzelhan, Volker; Karer, Rainer; Bachl, Robert; Funk, Guido;, Assignee: BASF Aktiengesellschaft (DE) |
Expandable medullary canal plug
What is claimed is: 1. A medullary canal plug comprising a cup-shaped outer body having a base and segmental jacket defining an internal cavity and including at least two segments extending from said ... Read More
Inventors: Weber, Bernhard G.;, Assignee: Sulzer Brothers Limited (Winterthur, CH) |
Surgical drape
The present invention is a surgical drape for deterring contamination of the incision area during a surgical procedure. It includes a protective film for covering the patient's body or anatomical port... Read More
Inventors: Enright, Clarence R.; Annett, Leland W.; Padget, David B.;, Assignee: Medical Concepts Development, Inc. (St. Paul, MN) |
Process for substantially gel-free polymerization of norbornene with dicyclopentadiene
A norbornene-type monomer is copolymerized with about 0% to about 95% by weight, more preferably from about 50% to about 95% by weight, and even more preferably from about 75% to about 95% by weight ... Read More
Inventors: Minchak, Robert J.;, Assignee: The B. F. Goodrich Company (Akron, OH) |
Batch polymerization process
We claim: 1. In the batch process for preparing tetrafluoroethylene homopolymer or copolymers of tetrafluoroethylene and at least one copolymerizable fluorinated ethylenically unsaturated comonomer of... Read More
Inventors: Khan, Ausat A.; Morgan, Richard A.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Burnt ceramic bone implant
OF THE PREFERRED EMBODIMENTS The final composition range after burning of the burnt ceramics composition of matter for an endosseous implant according to the present invention is composed of 95 to 50... Read More
Inventors: Kawahara, Haruyuki; Hirabayashi, Masaya; Hamano, Yoshiteru; Goto, Yoshimasa;, Assignee: Kyoto Ceramic Co., Ltd. (JP) |
Inorganic composite and the preparation thereof
The present invention will be explained in more detail. The needle-like inorganic material is a natural inorganic substance represented by calcium metasilicate. Calcium metasilicate is a needle-like ... Read More
Inventors: Shimizu, Tadao; Shimizu, Noriyuki; Harada, Shoji;, Assignee: Nikkan Industries Co., Ltd. (Tokyo, JP) |
Curable organopolysiloxane compositions
That which is claimed is: 1. A curable organopolysiloxane composition comprising a composition of (i) 100 weight parts organopolysiloxane having at least 2 --OR.sup.1 groups bonded to silicon in each ... Read More
Inventors: Suzuki, Toshio;, Assignee: Toray Silicone Co., Ltd. (Tokyo, JP) |
Apparatus for making biaxially oriented nonwoven fabrics and method of making same
Finger-like striping bars or impervious resist areas are disposed over or on a moving air-permeable conveyor in a manner that causes a fluid-borne stream of fibers, that is thrown thereupon, to form a... Read More
Inventors: Marshall, Preston F.;, Assignee: The Kendall Company (Boston, MA) |
Waste-containment garment having disposable elasticized insert
OF THE INVENTION An exemplary embodiment of the present invention is shown in FIG. 1 to be a waste-containment garment 31 which comprises an insert 35, an over-garment such as overpants 55, and means... Read More
Inventors: Buell, Kenneth B.;, Assignee: The Procter & Gamble Company (Cincinnati, OH) |
Method and apparatus for producing a composite material having ultrasonically welded seams which confine strands
Accordingly, it is an object of this invention to provide a multidirectionally elastic composite of an upper layer, an intermediate layer and a lower layer joined ultrasonically together, as will be d... Read More
Inventors: Kocher, Walter;, Assignee: |
Disposable diaper with divaricated adhesive tabs
In this invention, a divaricated adhesive tab is used to secure the diaper on an infant and is made of a single tape segment having a pressure sensitive adhesive coating on one face thereof. A first e... Read More
Inventors: Cepuritis, Talivaldis;, Assignee: Johnson & Johnson (New Brunswick, NJ) |
Nonmetallic Processes 
