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Official data from INPI

PROCESSO PARA O FABRICO DE TIOLCARBAMATOS

ConcedidaInvention Patent

Application data

Number

PI7807443

Type

Invention Patent

Filing

11/16/1977

Publication

-

Progress at the INPI

  1. Filing11/16/77
  2. Publication
  3. Examination
  4. Allowance01/15/85
  5. Grant10/01/85
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IHARA CHEMICAL IND CO

Inventors

I. Y. (pessoa física)

S. Z. (pessoa física)

T. F. (pessoa física)

T. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

6.2

10/27/1981

RPI 575

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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