Publicação do pedido de patente
#3.1
10/31/1989
RPI 993
Application data
Number
PI8801562Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Unilever N.V.
NL
Inventors
J. K. (pessoa física)
US
M. H. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/31/1989
RPI 993
#2.1
07/19/1988
RPI 926
#21.1
Patente extinta em 04/04/2003
09/02/2008
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11/26/1996
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#13.1
07/09/1996
RPI 1336
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01/30/1996
RPI 1313
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01/31/1995
RPI 1261
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07/19/1994
RPI 1233
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06/25/1991
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