Publicação do pedido de patente
#3.1
07/19/1988
RPI 926
Application data
Number
PI8704276Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.
Applicants
ROHM & HAAS [US]
Inventors
W. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
07/19/1988
RPI 926
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 19/08/2002
07/29/2008
RPI 1960
#16.1
04/26/1994
RPI 1221
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09/08/1993
RPI 1188
#6.1
06/02/1992
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11/06/1990
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