Carta-patente expirada
#21.1
Patente extinta em 27/10/2009
12/26/2012
RPI 2190
Application data
Number
PI8905509Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Union Carbide Chemicals and Plastics Company Inc.
US
Inventors
E. D. (pessoa física)
US
E. J. (pessoa física)
US
K. C. (pessoa física)
US
K. N. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 27/10/2009
12/26/2012
RPI 2190
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08/25/1998
RPI 1444
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10/28/1997
RPI 1404
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10/28/1997
RPI 1404
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RPI 1366
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04/09/1996
RPI 1323
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08/20/1991
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05/29/1990
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03/20/1990
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