Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902330Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Rohm And Haas Company
US
Inventors
A. K. (pessoa física)
US
M. V. (pessoa física)
US
IPC Classification
Priority claims
US
197,063 · 05/20/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 265/04; C08F 257/02; C08F 285/00; C08F 2/22; C09D 3/727.
03/27/2018
RPI 2464
#21.1
Patente extinta em 13/07/2009
12/26/2012
RPI 2190
#15.11
Alterado da Int Cl4 C08F 2/22, 10/00.
11/21/2000
RPI 1559
#16.1
07/13/1999
RPI 1488
#9.1
03/02/1999
RPI 1469
#6.1
04/08/1997
RPI 1375
#6.1
02/07/1995
RPI 1262
#4.1
10/02/1990
RPI 1035
#3.1
01/09/1990
RPI 1001
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Same category
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