Carta-patente expirada
#21.1
PATENTE EXTINTA EM 02.03.2019
02/04/2020
RPI 2561
Application data
Number
PI9900845Type
Filing
Publication
The letters patent expired on 02/04/2020: 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: 02/04/2020. We update with every new RPI gazette, published weekly.
Applicants
Johnson & Johnson
US
Inventors
D. V. (pessoa física)
US
M. H. (pessoa física)
US
IPC Classification
Priority claims
US
09/033,348 · 03/02/1998
Abstract
Patente de Invenção: "POLÍMERO DE HIDROGEL DE SILICONE" . Um polímero de hidrogel de silicone preparado pela curagem de uma mistura de reação compreendendo um monômero contendo silicone funcional em hidroxialquilamina.
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