1
Jean Luc Mizandjian, Jean Marc Meyer, Jean Amen: Process for treating a food liquid with a gas. L Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Young & Thompson, August 23, 1988: US04766001 (16 worldwide citation)

A process for deoxygenating or carbonating a food or biological liquid product having an initial dissolved oxygen concentration between 9 mg/l and 12 mg/l, comprising injecting at least one gas selected from the group consisting of nitrogen and carbon dioxide into a current of the food or biological ...


2
Jean Luc Mizandjian, Jean Louis Pean, Jean Amen: Process and apparatus for making an inert atmosphere in airtight packages. L Air Liquide, October 3, 1989: US04870801 (12 worldwide citation)

The process, applied to inerting of airtight packagings, used together or separately the deoxygenation of empty packagings under inert atmosphere, purging of the gas ceiling of the packagings after filling and before closing with an inert fluid, under inert atmospheres, each operation being performe ...


3
Charles Ghommidh, Jean Marie Navarro, Philippe Girardon, Jean Amen: Continuous microbiological production of acetic acid and vinegar. L Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Browdy and Neimark, August 18, 1987: US04687668 (10 worldwide citation)

Process for continuous production of vinegar by microbiological conversion with oxygen enrichment of ethanol into acetic acid. In a first phase, the micro-biological conversion of ethanol into acetic acid is performed in the presence of air. After consumption of the oxygen in the air, in a second ph ...


4
Jean Amen, Michel Cabau: Production of microorganisms. Eurozyme, Finnegan Henderson Farabow Garrett & Dunner, September 12, 1989: US04865969 (5 worldwide citation)

This invention relates to the production of the microorganisms. The operation is conducted in two stages. The first stage is conducted in the absence of ultrafiltration while the pH of the growth medium is maintained within the range of 6-7 by the addition of a neutralizing agent. Nutrient substratu ...


5
Philippe Girardon, Jean Amen: Process for producing a biochemical vaccine against Salmonella infection. L Air Liquide Societe Anonyme Pour l Etude et l Exploitation des Procedes Georges Claude, Browdy and Neimark, March 5, 1985: US04503036 (5 worldwide citation)

A bacterial vaccine against Salmonella fevers, typhoid and paratyphoid fevers is obtained by fermentation, extraction and purification, vaccinating membrane antigens being extracted by putting the bacterial residue, obtained by centrifuging, in contact with a solvent of the tris (hydroxyalkyl) amino ...


6
Jean Amen, Michel Cabau: Process for preparing concentrated amounts of lyophilized microorganisms. l Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Young & Thompson, January 10, 1989: US04797364 (1 worldwide citation)

The process for preparing concentrated amounts of lyophilized micro-organisms employs an ultrafiltration with a supply of nutritive substrates and the supply of a neutralizing agent in the fermenter, and further comprises the following steps: