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Hans Duve: Process for protecting steam generators from material damage. Chemische Werke Huls Aktiengesellschaft, Antonelli Terry & Wands, November 11, 1986: US04622306 (7 worldwide citation)

Decomposable organic compounds can, at times, be contained in the feedwater for steam generators; these decomposable compounds can stem from the untreated water supply or from the recondensate if the steam is utilized as heating steam for chemical plants and the condensate is recycled into the steam ...


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Forster Hans: Procede pour lutilisation de chaleur de refroidissement pour la production denergie mecanique et eventuellement la production simultanee de froid. Schwermasch Liebknecht Veb K, October 30, 1981: FR2481362-A1 (7 worldwide citation)

The invention relates to a method of generating mechanical energy from waste heat as a downstream process in thermodynamic methods and cyclic processes which produce waste heat, the usable heat conversion being in the low temperature region (


33
Tsoung Y Yan: Removal of cyanide, sulfides and thiosulfate from ammonia-containing wastewater by catalytic oxidation. Mobil Oil Corporation, A J McKillop, D P Santini, G L Harris, November 1, 1994: US05360552 (6 worldwide citation)

Waste water chemical oxygen demand is reduced from a waste water by passing the water in the presence of an oxidizing agent through an adsorbent porous solid substrate, preferably zeolite A, zeolite X, zeolite Y, ZSM-5, erionite, or chabazite which has been partially ion exchanged with a water insol ...


34
Yoshiatsu Sawaragi, Hiroyuki Senba: Austenitic heat resistant steel excellent in elevated temperature strength. Sumitomo Metal, Burns Doane Swecker & Mathis, May 6, 1997: US05626817 (6 worldwide citation)

A heat resistant austenitic stainless steel having high strength at elevated temperatures. The steel consists of 0.05 to 0.15% carbon, not more than 0.5% silicon, 0.05 to 0.50% manganese, 17 to 25% chromium, 7 to 20% nickel, 2.0 to 4.5% copper, 0.10 to 0.80% niobium, 0.001 to 0.010% boron, 0.05 to 0 ...


35
Hashimoto Koji, Kim Jinhan, Yoshioka Hideaki, Habazaki Hiroki, Kawashima Asahi, Asami Katsuhiko: High corrosion resistant amorphous alloys.. Hashimoto Koji, Yoshida Kogyo, April 21, 1993: EP0537710-A1 (6 worldwide citation)

Amorphous alloys having an extremely high corrosion resistance which comprise Cr and at least one element selected from Ta and Nb, as essential components, and are spontaneously passive owing to the formation of stable protective films even in very corrosive environments such as poorly oxidizing con ...


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Ozawa Junichiro, Nakano Shigeki, Inoue Shozo, Tanaka Takayuki, Maeda Kazuo: Knowledge-based apparatus for troubleshooting employing image for use in plant.. Mitsubishi Electric, March 9, 1988: EP0258553-A2 (6 worldwide citation)

A system for tracing a fault for use in a plant based on expert knowledge of specialized technology in various plants such as power plants, chemical plants, manufacturing factories, and steel and iron plants is disclosed which takes inference steps for troubleshooting by means of a computer includin ...


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Liming Zhou, Yousheng Zeng: Automatic alignment of video frames for image processing. Providence Engineering and Environmental Group, Robert E Bushnell Esq, August 30, 2011: US08009932 (5 worldwide citation)

The provided is a method that can automatically align image frames in recorded video clips. Individual frames in video may shift and rotate due to shaking or vibration of a video camera. Unaligned frames make some imaging processing techniques difficult or infeasible. One example of image processing ...


39
Gerhard Bauer, Fritz E Wolfshofer: Soft asbestos-free sealing material. Frenzelit Werke & Co KG, Hill Steadman & Simpson, August 1, 1995: US05437920 (5 worldwide citation)

The present invention relates to sealing materials free from asbestos or other inorganic fibrous substances in the form of papers, paperboards, cardboards or plates. The gasket compositions preferably comprise a mixture of non-fibrillated organic fibers having an elongation at break of < 5% (up to 2 ...


40
Hans Hitzel: Process of treating gas condensate. Hans Hitzel, Sprung Horn Kramer & Woods, November 6, 1984: US04481112 (5 worldwide citation)

The sewage consists of gas condensates from coal-gasifying plants and/or coal chemical plants and contains the anions SO.sub.4.sup.--, SCN.sup.-, NO.sub.3.sup.-, Cl.sup.- and F.sup.- in a total of at least 2 mval/l and contains organic matter corresponding to a chemical oxygen demand of at least 100 ...



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