Arquivamento - Art. 38 §2° da LPI
#11.4
05/20/2025
RPI 2837
Application data
Number
102018074112Type
Filing
Publication
The application was allowed on 02/04/2025 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.
Talk to a specialistLatest action published by the INPI: 05/20/2025. We update with every new RPI gazette, published weekly.
Applicants
LANXESS DEUTSCHLAND GMBH
DE
Inventors
A. M. (pessoa física)
DE
H. B. (pessoa física)
DE
S. S. (pessoa física)
DE
IPC Classification
Priority claims
EP
17203513.1 · 11/24/2017
Abstract
O método de preparação inovador de 1,4-difenilamino-5,8-di-hidroxiantraquinona propicia estes corantes com uma alta intensidade de cor e excelente brilho para a coloração de plásticos.
Publications in the Brazilian Industrial Property Gazette (RPI).
#11.4
05/20/2025
RPI 2837
#9.1
02/04/2025
RPI 2822
#6.23
11/28/2023
RPI 2760
#3.1
08/04/2020
RPI 2587
#2.1
12/18/2018
RPI 2502
#2.10
Número de Protocolo '870180154232' em 23/11/2018 11:57 (WB)
12/04/2018
RPI 2500
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.