Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI8101537

Type

Invention Patent

Filing

03/16/1981

Publication

View on INPI

Progress at the INPI

Filing03/16/81
Publication
Examination08/30/83
Allowance04/16/85
Grant10/01/85
Expired09/24/96

The letters patent expired on 09/24/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

See this company's full portfolio

Inventors

M. Y. (pessoa física)

M. A. (pessoa física)

T. K. (pessoa física)

Y. O. (pessoa física)

Pessoa física

Technical data

IPC Classification

C21C 5/28 C22B 9/05

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

From the same holder

112026004811 112026000898 112026018403 112026017626 112026020004 112026017635 112026018890 112026010290

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.