Solicitação de exame técnico
#4.1
03/15/1988
RPI 908
Application data
Number
PI8503511Type
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: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
Rohm And Haas Company
US
Inventors
A. S. (pessoa física)
US
IPC Classification
Priority claims
US
634,917 · 07/26/1984
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