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Official data from INPI

CORANTES HIDROSSOLUVEIS,PROCESSOS PARA SUA PREPARACAO,SUA APLICACAO,MATERIAIS DE FIBRA COM ELES TRATADOS,E PROCESSO DE TINGIMENTO OU ESTAMPAGEM

ConcedidaInvention Patent

Application data

Number

PI7807226

Type

Invention Patent

Filing

11/02/1977

Publication

-

Progress at the INPI

  1. Filing11/02/77
  2. Publication
  3. Examination
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated09/18/90

The patent was granted on 07/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOECHST AG

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Inventors

F. R. (pessoa física)

H. E. (pessoa física)

M. F. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Republicação - classificação IPC

#15.11

04/16/1985

RPI 756

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

6.2

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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