Concessão da patente
#16.1
06/28/1988
RPI 923
The letters patent expired on 09/24/1996: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
Odenwald-Chemie Gmbh.
DE
Inventors
W. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
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05/10/1988
RPI 916
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05/28/1985
RPI 762
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11/20/1984
RPI 735
#4.1
08/16/1983
RPI 669
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09K 3/28; B32B 5/18; C08J 9/04; C09D 3/58.
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RPI 2464
#21.1
09/24/1996
RPI 1347
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