Concessão da patente
#16.1
04/29/1986
RPI 810
The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO
Inventors
C. D. (pessoa física)
H. W. (pessoa física)
P. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/29/1986
RPI 810
#13.1
01/14/1986
RPI 795
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09/10/1985
RPI 777
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09/03/1985
RPI 776
#6.1
02/12/1985
RPI 747
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07B 3/00; C07C 27/12.
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RPI 2464
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10/23/1990
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