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Official data from INPI

CORANTES HIDROSSOLUVEIS,PROCESSO PARA SUA PREPARACAO,SUA APLICACAO,MATERIAIS DE FIBRAS ASSIM TRATADOS E PROCESSO DE TINGIMENTO OU ESTAMPAGEM

ConcedidaInvention Patent

Application data

Number

PI7807229

Type

Invention Patent

Filing

11/02/1977

Publication

-

Progress at the INPI

  1. Filing11/02/77
  2. Publication
  3. Examination
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Terminated09/18/90

The patent was granted on 03/26/1985 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: 03/26/1985. 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

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Republicação - classificação IPC

#15.11

12/04/1984

RPI 737

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

6.2

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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