Solicitação de exame técnico
#4.1
01/10/1989
RPI 951
Application data
Number
PI8602820Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
ROHM & HAAS [US]
Inventors
D. A. (pessoa física)
US
J. N. (pessoa física)
US
W. H. (pessoa física)
US
IPC Classification
Priority claims
US
749,059 · 06/26/1985
US
861,732 · 05/07/1986
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