Concessão da patente
#16.1
02/03/1987
RPI 850
The patent was granted on 02/03/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
A. O. (pessoa física)
I. H. (pessoa física)
J. T. (pessoa física)
W. A. (pessoa física)
IPC Classification
Priority claims
US
011.238 · 02/12/1979
US
043.548 · 05/29/1979
US
114.627 · 01/23/1980
US
PCT/80/00213 · 02/12/1980
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