Official data from INPI

PROCESSO PARA PREPARAR UMA RESINA ESTIRENICA REFORCADA COM POLIMERO TIPO BORRACHA,E RESINA ASSIM OBTIDA

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI7901828

Type

Invention Patent

Filing

06/19/1978

Publication

View on INPI

Progress at the INPI

Filing06/19/78
Publication
Examination
Allowance05/07/85
Grant11/26/85
Expired06/21/94

The letters patent expired on 06/21/1994: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LABOFINA SA [BE]

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

C08F 257/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

6.2

03/16/1982

RPI 595

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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.