Solicitação de exame técnico
#4.1
05/16/1989
RPI 969
Application data
Number
PI8602645Type
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: 05/16/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
W. I. (pessoa física)
US
IPC Classification
Priority claims
US
741.991 · 06/06/1985
US
741.992 · 06/06/1985
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