Solicitação de exame técnico
#4.1
06/30/1987
RPI 871
Application data
Number
PI8506893Type
Filing
Publication
PCT
US1985001635 The letters patent expired on 07/15/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
DOW CHEMICAL CO [US]
Inventors
E. K. (pessoa física)
US
M. W. (pessoa física)
US
T. K. (pessoa física)
US
IPC Classification
Priority claims
US
644.586 · 08/27/1984
US
751.351 · 07/02/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
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06/30/1987
RPI 871
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 18/14; C08L 73/00; C08L 75/04.
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