Carta-patente expirada
#21.1
Patente extinta em 05/03/2012
07/02/2013
RPI 2217
Application data
Number
PI9205759Type
Filing
Publication
PCT
US1992001702 The letters patent expired on 07/02/2013: 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: 07/02/2013. We update with every new RPI gazette, published weekly.
Applicants
Chubb National Foam, Inc.
US
National Foam, Inc.
US
Inventors
A. R. (pessoa física)
US
E. N. (pessoa física)
US
IPC Classification
Priority claims
US
666989 · 03/11/1991
Abstract
Trata-se de concentrados de espuma de combate a incêndio AFFF e ARAFFF que incluem tensoativos de alquil poliglicosídeo. Esses tensoativos intensificam o desempenho dos tensoativos de perfluoroalquila.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/03/2012
07/02/2013
RPI 2217
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08/02/1994
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