1
Christian Dussarrat, Jean Marc Girard, Takako Kimura, Naoki Tamaoki, Yuusuke Sato: Methods for producing silicon nitride films and silicon oxynitride films by thermal chemical vapor deposition. L Air Liquide Société Anonyme á Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, Linda K Russell, Christopher J Cronin, March 20, 2007: US07192626 (52 worldwide citation)

Silicon nitride film is formed on substrate by feeding trisilylamine and ammonia into a CVD reaction chamber that contains a substrate. The ammonia gas/trisilylamine gas flow rate ratio is set to a value of at least about 10 and/or the thermal CVD reaction is run at a temperature no greater than abo ...


2
Christian Monereau: Method for treating a gas mixture by adsorption. L Air Liquide Société Anonyme á Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, Linda K Russell, June 28, 2005: US06911066 (3 worldwide citation)

A method for operating a typical cyclic adsorption unit that is easily implemented in both new and existing treatment plants, wherein fluctuations in the stream compositions due to the adsorption and regeneration phase transitions of the cycles are minimized.


3
Patrick Le Bot: Integrated air compression, cooling, and purification unit and process. L Air Liquide Société Anonyme á´ Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, Elwood L Haynes, Linda K Russell, June 5, 2007: US07225637 (2 worldwide citation)

Process and apparatus for optimization of integrated air separation systems. In an integrated process for the compression, cooling, and purification of air, an adiabatic compressor compresses an air stream to produce a compressed air stream. The compressed air stream is used to warm a first pressuri ...


4
Guillaume De Souza, Pascal Tromeur: Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure. L Air Liquide Société Anonyme á Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, Elwood L Haynes, June 3, 2008: US07381242 (2 worldwide citation)

A method of PSA gas separation for a gas mixture containing hydrogen and hydrocarbon impurities. The gas mixture is put in contact with silica gel and activated carbon so as to adsorb the impurities in the gas mixture. Hydrogen rich and waste gas flows are produced. The waste gas flow may be sent to ...


5
Peyofougou Coulibaly: Arc welding set with power source and inverter. L Air Liquide Société Anonyme á Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, La Soudure Autogène Française, Linda K Russell, August 22, 2006: US07095634 (2 worldwide citation)

A welding machine with a power source and an inverter. The inverter has at least one switching leg, made up of switches in series, and an output terminal. The power source has a circuit for controlling the switches by delivering an on-signal or and off-signal. The power source also has a transformer ...


6
Savine Bockel Macal, Olivier Delabroy, Olivier Louedin, Christel Champinot: Method for enhancing the metallurigcal quality of products treated in a furnace. L Air Liquide Société Anonyme á Directoire et Conseil de Surveillance pour l Etude et l Exploitation des Procédés Georges Claude, Linda K Russell, October 18, 2005: US06955730 (1 worldwide citation)

The method and apparatus for enhancing the metallurgical quality of products treated in a furnace with several zones, wherein the temperature and the atmospheric conditions can be controlled. The applies to any type of product treated in a furnace, such as billets, blooms, slugs or slabs. Alternativ ...