Carta-patente expirada
#21.1
Patente extinta em 08/02/2011
05/28/2013
RPI 2212
Application data
Number
PI9100568Type
Filing
Publication
The letters patent expired on 05/28/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
Union Carbide Industrial Gases Technology Corporation
US
Inventors
E. C. (pessoa física)
US
J. E. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 08/02/2011
05/28/2013
RPI 2212
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02/09/1999
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02/24/1993
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