Carta-patente expirada
#21.1
Patente extinte em 12/08/2011
06/04/2013
RPI 2213
Application data
Number
PI9103447Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
Praxair Technology, Inc.
US
Union Carbide Industrial Gases Technology Corporation
US
Inventors
E. T. (pessoa física)
JP
H. K. (pessoa física)
JP
H. N. (pessoa física)
JP
Y. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
2-216426 · 08/15/1990
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