Official data from INPI

APERFEICOAMENTO EM UM PROCESSO PARA PURIFICACAO DE AGUA DE REJEITO

Em ExigênciaInvention Patent

Talk to an expert

Application data

Number

PI7802028

Type

Invention Patent

Filing

07/01/1977

Publication

View on INPI

Progress at the INPI

Office action pending

Filing07/01/77
Publication
Examination
Allowance
Grant
In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENSO GUTZEIT OY

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

C02C 5/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

6.2

12/29/1981

RPI 584

From the same holder

PROCESSO E APARELHO PARA LAVAGEM DE CELULOSE FILTRO A PRESSAO DISPOSITIVO DE HIDROCICLONE APERFEICOAMENTO EM FILTRO DE DISCO HIDROCICLONE REFINADOR DE DISCO BASE DE MONTAGEM PARA UM REFINADOR DE DISCO

Same category

PP1101201 PP1101199 "COMPOSTO, PROCESSO PARA A PREPARAÇÃO DO SAL DE Na DO (-)-ENANTIOMERO DE OMEPRAZOL, PREPARAÇÃO FARMACÉUTICA E USO DE UM COMPOSTO.PP1101197 PROTEÍNAS QUE LIGAM TNF PP1101194 DERIVADOS CONDENSADOS DO BENZOPIRROL COMO ANTAGONISTAS RECEPTORES DO 5-HT4 PP1101192

Explore category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.