Solicitação de exame técnico
#4.1
12/15/1987
RPI 895
Application data
Number
PI8501654Type
Filing
Publication
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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Atochem North America, Inc.
US
Inventors
D. R. (pessoa física)
US
G. L. (pessoa física)
NL
IPC Classification
Priority claims
US
598,623 · 04/10/1984
US
687,065 · 12/28/1984
US
705,595 · 02/26/1985
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