Official data from INPI

MISTURA DE POLÍMERO COMPATÍVEL DE POLIGLUTARIMIDAS E POLIAMIDAS

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI8304973

Type

Invention Patent

Filing

09/14/1983

Publication

09/04/1984

View on INPI

Progress at the INPI

Filing09/14/83
Publication09/04/84
Examination12/23/86
Allowance12/06/88
Grant08/29/89
Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm and Haas Company

See this company's full portfolio

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

C08L 79/08

Priority claims

440,672 · 11/10/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Carta-patente expirada

#21.1

Patente extinta em 14/09/98

07/01/2008

RPI 1956

From the same holder

112026019024 112026018765 112026018759 112026010904 112026010794 112026007657 112026005672 112026005311

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.