Carta-patente expirada
#21.1
Patente extinta em 05/11/2011
06/11/2013
RPI 2214
Application data
Number
PI9104821Type
Filing
Publication
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants
Allied Colloids Limited
GB
Ciba Specialty Chemicals Water Treatments Limited
GB
Inventors
J. C. (pessoa física)
BE
J. L. (pessoa física)
GB
P. L. (pessoa física)
US
P. F. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/11/2011
06/11/2013
RPI 2214
#25.4
Alterado de: Allied Colloids Limited
03/09/2004
RPI 1731
#16.1
11/16/1999
RPI 1506
#9.1
06/22/1999
RPI 1485
#6.1
11/17/1998
RPI 1454
#4.1
07/05/1994
RPI 1231
#3.1
06/23/1992
RPI 1125
#2.1
12/10/1991
RPI 1097
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