Solicitação de exame técnico
#4.1
12/22/1987
RPI 896
Application data
Number
PI8506740Type
Filing
Publication
PCT
US1985000887 The letters patent expired on 07/15/2008: 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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
Ciba Specialty Chemicals Holding Inc. - Ciba Spezialitätenchemie Holding AG - Ciba Spécialités Chimiques Holding SA
CH
THE DOW CHEMICAL COMPANY
US
Inventors
B. J. (pessoa física)
US
B. J. (pessoa física)
US
W. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/22/1987
RPI 896
#1.3
09/23/1986
RPI 831
#21.1
Patente extinta em 15/05/2000
07/15/2008
RPI 1958
#25.1
Transferido de: The Dow Chemical Company.
10/05/1999
RPI 1500
#16.1
10/27/1992
RPI 1143
#13.1
04/21/1992
RPI 1116
#9.1
12/03/1991
RPI 1096
#6.1
05/14/1991
RPI 1067
#6.1
11/20/1990
RPI 1042
From the same holder
Same category
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