Solicitação de exame técnico
#4.1
04/05/1988
RPI 911
Application data
Number
PI8701795Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
D. A. (pessoa física)
DE
Degussa - Hüls Aktiengesellschaft
DE
Inventors
D. D. (pessoa física)
DE
D. B. (pessoa física)
DE
D. L. (pessoa física)
DE
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Transferido por fusão de: Degussa Aktiengesellschaft
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