Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8105083Type
Filing
Publication
The letters patent expired on 08/19/2008: 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
BRITISH PETROLEUM CO
Inventors
C. R. (pessoa física)
P. D. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C23F 15/00; C23F 11/00; C08L 7/00; C08L 21/00; C08L 27/00; C08L 67/00; C09C 1/30; C09C 1/40; C09D 5/08; C09D 7/00; C09D 7/12; C09K 9/02; C09C 1/28.
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