21
Frank Solomon: Strengthening of carbon black-teflon-containing electrode. Diamond Shamrock Corporation, Bruce E Harang, September 20, 1983: US04405544 (15 worldwide citation)

This disclosure is directed to strengthening carbon-black particulate "Teflon" (PTFE) mixes destined to be formed into active layers in air cathodes, which comprises mixing an aqueous dispersion of particulate polytetrafluoroethylene with an aqueous suspension of particulate carbon-black; washing an ...


22
Tatsuo Hayashi, Ryoichi Ito: Process of producing polyolefin foam moldings. Mitsubishi Petrochemical, Daisen Industry and, Sughrue Rothwell Mion Zinn and Macpeak, June 3, 1980: US04206166 (15 worldwide citation)

A polyolefin foam article having a smooth, lustrous skin is produced by packing small pieces of polyolefin foam in the cavity formed between a male mold and a female mold of a mold assembly. One of the molds has no perforations for the passage of vapor and the other of the molds has: (1) perforation ...


23
Ao Yu Chang: Bamboo mat board and method for producing the same. Bucknam and Archer, Joseph J Orlando, April 4, 2006: US07021346 (13 worldwide citation)

A bamboo mat board element with a double-layered construction, a constant dimension, each of the elements is formed with a projecting tenon at each of two adjacent sides, respectively, and a concave mortise at each of the other two adjacent sides, respectively, for inter-tenoning the elements of the ...


24
Shin Smimizu, Tsugane Tanaka, Osamu Ohara, Taisei Inoue: Laminated material made of annual lignocellulosic stalks. Koyo Sangyo, Toren McGeady & Associates, November 6, 1990: US04968549 (12 worldwide citation)

A laminated material in board form made by the steps of cutting open a lignocellulosic stalk in the fiber direction with a knife; flattening the lignocellulosic stalk by means of a roller press to form a compressed stalk, one face of which consists of its epidermis; arranging a plurality of the comp ...


25
Woodrow D Maddy: Resin molding process employing a mickel-based alloy liner. Xaloy, Ostrolenk Faber Gerb & Soffen, September 5, 1989: US04863661 (12 worldwide citation)

A method of producing cylindrical objects with one or more lobes in which the bore surfaces are completely protected by a surface layer of abrasion resistant and/or corrosion resistant alloy and which protective layer is free of any contamination by the metal of the substrate. A hard, wear resistant ...


26
Armen Garabedian: Process for making a stress-free plastic article. Pennie & Edmonds, October 12, 1982: US04353855 (12 worldwide citation)

Disclosed is a method and apparatus for making stress free plastic articles from plastic particles such as powder utilizing heat and pressure in which a quantity of plastic particles is supplied to a first member, a flexible diaphragm is disposed in opposed relationship to said first member with sai ...


27
Matiere absorbante, utilisable notamment comme litiere pour chats. Fourcine Adrien, October 10, 1980: FR2451159-A1 (12 worldwide citation)

CETTE MATIERE ABSORBANTE CONSISTE EN GRANULES DE FARINE DE PAILLE DE CEREALE, EN PARTICULIER DE BLE. LES GRANULES SONT FABRIQUES PAR BROYAGE DE LA PAILLE JUSQU'A L'OBTENTION D'UNE FARINE TRES FINE QUI EST GRANULEE DANS UNE PRESSE APPROPRIEE.


28
Sundar Kilnagar Venkataraman: Foamed fluoropolymer. E I du Pont de Nemours and Company, November 3, 1998: US05830923 (11 worldwide citation)

Fabricated articles of fluoropolymer are foamed by heating the articles to a deformable state, pressurizing the heated article with supercritical CO.sub.2, depressurizing the pressurized heated article while still in the foamable state, whereby said CO.sub.2 foams said article, and cooling the resul ...


29
Wolfgang Burger, Richard Witzko: Porous polytetrafluoroethylene and a process for the production thereof. Dena Meyer Weker, April 4, 1995: US05403524 (11 worldwide citation)

A new porous polytetrafluoroethylene (PTFE) and a process for the production thereof is provided. Both the PTFE and the process excel by the fact that polytetrafluoroethylene is radiation-chemically degraded, the degraded polytetrafluoroethylene is mixed with a high-molecular emulsion polymerisate o ...


30
Atsushi Nakamura, Satoshi Nakashima: Polytetrafluoroethylene porous film and process for preparing the same. Mitsubishi Kasei Corporation, Nippon Valqua, Wenderoth Lind & Ponack, October 25, 1994: US05358678 (11 worldwide citation)

A polytetrafluoroethylene (PTFE) porous film is formed from a PTFE resin molding powder obtained by suspension polymerization. The film has a porosity of 40 to 80% and a removal ratio of uniform particles having a diameter of 0.2 .mu.m less than 99%, or has a porosity of 40 to 80% and a bubble point ...