Carta-patente expirada
#21.1
Patente extinta em 15/04/2012
06/25/2013
RPI 2216
Application data
Number
PI9201403Type
Filing
Publication
The letters patent expired on 06/25/2013: 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: 06/25/2013. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Ineos Fluor Holdings Limited
GB
Inventors
A. L. (pessoa física)
GB
F. M. (pessoa física)
GB
J. M. (pessoa física)
GB
R. P. (pessoa física)
GB
S. C. (pessoa física)
GB
IPC Classification
Priority claims
GB
9108527.4 · 04/18/1991
GB
9206873.3 · 03/30/1992
Abstract
Um líquido refrigerante compreendendo uma mistura ternária ou superior de: (a) tetrafluoretano e/ou heptafluorpropano; (b) difluormetano e/ou 1,1,1,-trifluoretano; e opcionalmente (c) pentafluoretano.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/04/2012
06/25/2013
RPI 2216
#25.1
Transferido de: Imperial Chemical Industries PLC
03/09/2004
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