Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8204491Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Sumitomo Chemical Company, Limited.
JP
Inventors
H. K. (pessoa física)
JP
IPC Classification
Priority claims
JP
121229/81 · 07/31/1981
JP
24079/82 · 02/16/1982
JP
3186/82 · 04/11/1982
JP
49399/82 · 03/27/1982
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