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James William Ashmead, Charles Thomas Blaisdell, Melvin Harry Johnson, Jack Kent Nyquist, Joseph Anthony Perrotto, James Francis Ryley Jr: Integrated chemical processing apparatus and processes for the preparation thereof. E I Du Pont de Nemours and Company, November 25, 1997: US05690763 (89 worldwide citation)

An integral structure is provided for chemical processing and manufacture, in which a plurality of laminae are joined together and having inlet and outlet ports connected by a three dimensionally tortuous channel. Chemicals are introduced through the inlet ports and processed along the channel, with ...


12
Gurtej S Sandhu, Richard L Elliott, Trung T Doan, Jody D Larsen: IC mechanical planarization process incorporating two slurry compositions for faster material removal times. Micron Technology, Walter D Fields, November 30, 1999: US05994224 (88 worldwide citation)

The present invention relates to integrated circuits (ICs) fabrication. Particularly, there is a cmp process which incorporates small quantities of two chemicals. The first chemical is the standard slurry mixtures, like water, aluminum-oxide and hydrogen-peroxide mixed into a slurry. The second chem ...


13
Madhav Datta, Ravindra V Shenoy: Electroetching method and apparatus. IBM Corporation, Ratner & Prestia, August 6, 1996: US05543032 (84 worldwide citation)

A tool and process for electroetching metal films or layers on a substrate employs a linear electrode and a linear jet of electrolyte squirted from the electrode. The electrode is slowly scanned over the film by a drive mechanism. The current is preferably intermittent. In one embodiment a single wa ...


14
De Fraine Paul John, Bowden Martin Charles, Mcneilly Patrick: Chemical process. Zeneca, April 2, 1997: GB2305174-A (82 worldwide citation)

6-Trifluoro-, 6-chlorodifluoro- and 6-difluoromethyl-2-hydroxypyridines are prepared by decarboxylating the corresponding nicotinic acid at a temperature above 190{C at normal atmospheric pressure. 6-Trifluoro-, 6-chlorodifluoro- and 6-difluoromethyl-2-hydroxy-nicotinic acids are novel compounds and ...


15
Donald D Zamzow, George L Gorski: Programmed mix and delivery system. Lowe Price Leblanc Becker & Shur, December 15, 1987: US04712511 (76 worldwide citation)

A feed delivery system for individualized rations for specific livestock includes a programmable controller responsive to status of the livestock. Individual elements of a feed ration are combined to meet the requirements of a specific animal and delivered only to that animal. Plural delivery contai ...


16
Holger Schuehrer, Carsten Hartig, Christin Bartsch, Kai Frohberg: Technique for forming a passivation layer prior to depositing a barrier layer in a copper metallization layer. Advanced Micro Devices, Williams Morgan & Amerson P C, August 21, 2007: US07259091 (73 worldwide citation)

By performing a wet chemical process after etching a via, contaminations may be removed and a thin passivation layer may be formed that may then be readily removed in a subsequent sputter etch process for forming a barrier/adhesion layer. In a particular embodiment, the wet chemical process may be p ...


17
Thomas Trozera, Gary W Gomringer: Method for manufacturing a stent. Interventional Technologies, Michael Klicpera Esq, May 11, 1999: US05902475 (71 worldwide citation)

Disclosed herewithin is a method of fabricating a stent which involves processing a tubular member whereby no connection points to join the edges of a flat pattern are necessary. The method includes the steps of a) removing contaminates from a tubular member, b) coating the outside surface of the tu ...


18
Amrehn Hermann: Method and system for the automatic control of chemical plants with parallel-connected computer backup system. Chemische Werke Huls Aktiengesellschaft, January 18, 1972: US3636331 (70 worldwide citation)

A method and system for the automatic control and regulation of chemical processes in chemical plants using digital process computers which comprises operating at least two identical computers in parallel, each equipped with an operating core storage means (principal memory means) and a mass storage ...


19
Paul A Aristoff: Composition and process. The Upjohn Company, L Ruth Hattan, Robert A Armitage, December 15, 1981: US04306075 (68 worldwide citation)

The present specification provides novel analogs of carbacyclin (CBA.sub.2), 6a-carba-prostacyclin (6a-carba-PGI.sub.2), which have pronounced prostacyclin-like pharmacological activity, e.g., as platelet antiaggregatory agents. Specifically the novel chemical analogs of CBA.sub.2 are those substitu ...


20
Jerome H Lemelson: Reaction apparatus and method. July 21, 1992: US05131941 (58 worldwide citation)

A high temperature reaction apparatus and method employing radiation to heat and react on matter, such as one or more fluids containing one or more reaction materials in gaseous molecular and/or particulate form. In a preferred form, one or more high temperature plasmas as formed across one or more ...



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