Carta-patente expirada
#21.1
Patente extinta em 01/04/2011
06/04/2013
RPI 2213
Application data
Number
PI9101281Type
Filing
Publication
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants
BP Chemicals (Additives) Limited
GB
Lubrizol Adibis Holdings (UK) Limited
US
Inventors
W. C. (pessoa física)
GB
IPC Classification
Priority claims
GB
9007335.4 · 03/31/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 01/04/2011
06/04/2013
RPI 2213
#25.1
Transferido por incorporação de: BP Chemicals (Additives) Limited.
08/22/2000
RPI 1546
#25.12
Referência: RPI 1537 de 20/06/2000 - código 25.3
07/25/2000
RPI 1542
#25.3
Apresente documento de cessão devidamente assinado pelos cedente, cessionário e 2 testemunhas, para atender a petição Nº039927/RJ de 10/12/1999.
06/20/2000
RPI 1537
#16.1
12/28/1999
RPI 1512
#9.1
07/27/1999
RPI 1490
#6.1
11/03/1998
RPI 1452
#4.1
12/28/1993
RPI 1204
#3.1
11/05/1991
RPI 1092
#2.1
09/17/1991
RPI 1085
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Same category
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