Amino-containing alkenylsuccinic esters
We claim: 1. A compound of the formulae ##STR6## where R denotes linear or branched C.sub.1 -C.sub.20 -alkyl, R.sub.1 denotes hydroxy-C.sub.2 -C.sub.6 -alkyl or C.sub.1 -C.sub.4 -alkyl, R.sub.2 denote... Read More
Inventors: Jaeckel, Lothar; Kleber, Rolf; Mees, Bernhard;, Assignee: Hoechst Aktiengesellschaft (Frankfurt am Main, DE) |
Method for continuous production of elongated carbon bodies
We claim: 1. A method for continuous production of elongated carbon bodies having a substantially uniform cross-section wherein a casing filled with unbaked carbonaceous electrode paste and a binder i... Read More
Inventors: Bruff, William V. H.; Olsen, Leif;, Assignee: Elkem a/s (Oslo, NO) |
Wholly aromatic polyamide fiber non-woven sheet and processes for producing the same
An object of the present invention is to provide a wholly aromatic polyamide fiber non-woven sheet having a satisfactory dense structure, impregnating property, and heat resistance and processes for p... Read More
Inventors: Yoshida, Tsugushi; Sasaki, Hideharu; Sawaki, Toru; Shimada, Keizo;, Assignee: Teijin Limited (Osaka, JP) |
Methods for making preforms for composite formation processes
OF THE INVENTION The present invention relates to novel combinations of materials and novel processing techniques for making preforms which are used in various composite formation processes. The nove... Read More
Inventors: Dwivedi, Ratnesh Kumar; Henderson, Thomas James; Friel, David Francis;, Assignee: Lanxide Technology Company, LP (Newark, DE) |
Method and device for refrigerating a fluid
Accordingly, it is an object of the present invention is to provide a method and a device for refrigeration of fluids such as gas, like air, and liquid using a heat exchanger, which does not require F... Read More
Inventors: Kuma, Toshimi; Hirose, Tsutomu; Kawakami, Yukito;, Assignee: Kabushiki Kaisha Seibu Giken (Kasuya-gun, JP); Kuma; Toshimi (Fukuoka, JP) |
Method for preventing scale formation and corrosion in circulating water
In view thereof, it is an object of the present invention to provide an agent for water treatment comprising a water-soluble polymer capable of being produced by polymerization in an aqueous system an... Read More
Inventors: Yamaguchi, Shigeru; Fujisawa, Takashi;, Assignee: Nippon Shokubai Co., Ltd. (Osaka, JP); Kurita Water Industries, Ltd. (Tokyo, JP) |
Counteracting bioprosthetic calcification
In response to the need for an improved anti-calcification strategy, the present invention yields bioprosthetic material that is characterized by an enhanced, prolonged resistance to pathologic calcif... Read More
Inventors: Levy, Robert J.; Alferiev, Ivan;, Assignee: The Children's Hospital of Philadelphia (Philadelphia, PA) |
Process for dyeing wet-spun aromatic polyamides in gel form
What we claim is: 1. A process for the production of dyed filaments of aromatic polyamides which comprises continuously dyeing wet-spun gel filaments of an aromatic polyamide which is not modified wit... Read More
Inventors: Wolf, Gerhard Dieter; Miessen, Ralf; Kunzel, Hans Egon; Bentz, Francis;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Warp knit fabric containing weft of protective yarn-covered activated-carbon yarn
We claim: 1. An improved warp knitted activated-carbon fabric, said fabric having a weft comprising a protective yarn-covered activated-carbon yarn every course thereof being inserted across the full ... Read More
Inventors: Arons, Gilbert N.; Coffin, Laurance G.; Macnair, Richard N.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Flame retardant yard blend
OF THE INVENTION In accordance with the invention, it has been surprisingly found that a fabric or fabric structure comprising a batting or yarn consisting of an intimate blend of oxidized polyacrylo... Read More
Inventors: Smith, Jr., W. Novis;, Assignee: |
Aromatic polyamide fiber-polyester fiber-blended spun yarn fabric
We claim: 1. An aromatic polyamide fiber-polyester fiber-blended spun yarn fabric, comprising a fabric made of spun yarns consisting essentially of a uniform blend of: (A) 60 to 95% by weight of a fir... Read More
Inventors: Tanaka, Makoto; Nakayama, Genji; Takimoto, Noboru; Hosoyama, Koichi;, Assignee: Teijin Limited (Osaka, JP) |
Stretchable flame resistant fabric
Briefly described, the present invention comprises a stretchable flame resistant fabric and garments made therefrom, so that the garments have thermal and flame resistance capabilities and also have a... Read More
Inventors: Stanhope, Michael T.; Statham, Denise N.;, Assignee: Southern Mills, Inc. (Union City, GA) |
Apparatus and method for recovering viscous fluid
Referring to FIGS. 3-5, an example of the preferred embodiment of the present invention is illustrated and generally indicated by the reference numeral 10. The need to recover viscous products from c... Read More
Inventors: Oestreich, Michael A.;, Assignee: Oestreich; Michael (Forest Lake, MN) |
Process for the continuous production of articles or coatings with contours of complicated shape
What is claimed is: 1. A process for the continuous production of articles or coatings with contours wherein a liquid material is introduced at one end into the mold cavity formed between at least two... Read More
Inventors: Grimm, Wolfgang; Barnes, James M.;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Dyeing and fire retardant treatment for nomex
What is claimed: 1. A process of simultaneously dyeing and flame retarding an aramid fiber, comprising the steps of: (1) contacting dyeable poly(m-phenyleneisophthalamide) fibers or fabric with a solu... Read More
Inventors: Johnson, James R.;, Assignee: Burlington Industries, Inc. (Greensboro, NC) |
Apparatus for and process of treating shrinkable fibers
What is claimed is: 1. A process of treating a tow of shrinkable fibers including the steps of: moving the tow in folds through a plug section operatively connected by a restricted opening to a treatm... Read More
Inventors: Zatkulak, Tony D.; Rodini, David J.; Hodge, James D.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE) |
Preparation of stable anionic dyestuff solutions: pressure permeation of crude dye in solution of lithium or ammonium salt
We claim: 1. Process for the preparation of stable aqueous solutions of anionic dyestuffs by pressure permeation of feed solutions of the crude dyestuffs, characterized in that the feed solution for t... Read More
Inventors: Michna, Martin; Zillger, Hans-Werner; Tegtmeyer, Dietrich;, Assignee: Bayer Aktiengesellschaft (Leverkusen, DE) |
Hair coloring device
Devices configured to permit the application of color to hair from a solid or semi-solid hair coloring composition and methods relating to use of such devices are disclosed. These devices are not atte... Read More
Inventors: Kennedy, Melvin R.; Longoria, Jose; Robbins, Robert G.; Kaiser, Richard;, Assignee: Kennedy/Matsumoto Design LLC (Lantana, FL) Longoria Design LLC (Miami, FL) Spectrum Associates LLC (Boca Raton, FL) |
Aramid fabric for garments of improved comfort
OF THE INVENTION It is well known in the art that certain fabric characteristics translate into comfort levels that can be expected when such fabrics are made into apparel. The challenge is to attain... Read More
Inventors: Baliga, Bantwal J.; Hoffman, Donald E.;, Assignee: E. I. Du Pont de Nemours and Company (Wilmingon, DE) |
Compositions and polymer fabrics treated with the same
I claim: 1. An article, comprising: (A) a polymer fabric treated with (B) a composition comprising a mixture of (i) at least one ester-acid, ester-salt or mixtures thereof and (ii) at least one amidic... Read More
Inventors: Lal, Kasturi;, Assignee: |
Firefighter garment utilizing improved high-lubricity lining material
OF THE PREFERRED EMBODIMENTS It is to be understood by one of ordinary skill in the art that the present discussion is a description of exemplary embodiments only, and is not intended as limiting the... Read More
Inventors: Underwood, Joey K.; Hayes, J. Russell;, Assignee: Safety Components Fabric Technologies, Inc. (Greenville, SC) |
Devices for recirculating exhaust gases in internal combustion engines
What is claimed as new is: 1. An exhaust gas recirculation control device for an internal combustion engine comprising an induction manifold, an exhaust gas expansion muffler, recirculation means inte... Read More
Inventors: Henault, Claude;, Assignee: Regie Nationale des Usines Renault (BOTH OF, FR); Automobiles Peugeot (BOTH OF, FR) |
Silicon nitride-cordierite ceramic article, and process of manufacture thereof
OF THE INVENTION The new and improved ceramic compositions of the present invention comprise silicon nitride and cordierite. Cordierite is represented by the formula 2MgO.2Al.sub.2 O.sub.3.5SiO.sub.2... Read More
Inventors: Pasto, Arvid E.;, Assignee: GTE Laboratories Incorporated (Waltham, MA) |
Polymer bound fischer-tropsch catalysts
What we claim is: 1. A heterogeneous catalyst for Fischer-Tropsch reactions conducted in the vapor phase at a temperature from 175.degree. C. to 300.degree. C., at a pressure of at least atmospheric, ... Read More
Inventors: Parker, Dane K.; Strozier, Robert W.; Hsu, Wen-Liang; Kurr, Richard J.; Maly, Neil A.;, Assignee: The Goodyear Tire & Rubber Company (Akron, OH) |
Pressurized fuel cell system
We claim: 1. A fuel cell power plant system comprising: (a) a fuel cell stack having anode means, cathode means and stack cooling means adapted to use a water coolant; (b) turbocompressor means operab... Read More
Inventors: Garow, Jay; Otter, Loren H.;, Assignee: International Fuel Cells Corporation (South Windsor, CT) |
Method of producing an end surface light emission type semiconductor device
An object of the present invention is to provide an improved method of producing an end surface light emission type semiconductor device which has an improved fiber coupling efficiency and is superior... Read More
Inventors: Goto, Katsuhiko; Takahashi, Shogo; Omura, Etsuji;, Assignee: Mitsubishi Denki Kabushiki Kaisha (JP) |
Method of making shaped ceramic articles by shape replication of an expendable pattern
The present invention provides a method for producing a ceramic component comprising the oxidation reaction product of a molten parent metal and a vapor-phase oxidant, which replicates the geometry of... Read More
Inventors: LaRoche, Jr., E. Allen;, Assignee: Lanxide Technology Company, LP (Newark, DE) |
.beta.'-Sialon sintered body and a method for manufacturing the same
OF THE PREFERRED EMBODIMENTS Now this invention will be described in detail. First, a starting material powder is prepared by adding 10 to 1,000 wt. parts of metal silicon powder to 100 wt. parts of ... Read More
Inventors: Mori, Masaaki; Ogawa, Tamotu; Takai, Norihira;, Assignee: Toshiba Ceramics Co., Ltd. (Tokyo, JP) |
Films of catenated phosphorus materials, their preparation and use, and semiconductor and other devices employing them
We claim: 1. A solid film of MP.sub.x deposited on a substrate where M is one or more metals and P is one or more pnictides. 2. The film defined in claim 1 wherein M is one or more alkali metals. 3. T... Read More
Inventors: Michel, Christian G.; Schachter, Rozalie; Kuck, Mark A.; Baumann, John A.; Raccah, Paul M.;, Assignee: Stauffer Chemical Company (Westport, CT) |
Silicon nitride-containing material with self-glazing surface and process for its production
The embodiments of the invention in which an exclusive privilege or property is claimed are defined as follows: 1. A process for the production of a silicon nitride-containing material with a gas-tigh... Read More
Inventors: Sussmuth, Godehard;, Assignee: Rosenthal AG (DE) |
Manufacturing Materials 
