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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE HIDRATOS DE FOSFATO DE ZINCO ALUMÍNIO OU HIDRATOS DE FOSFATO DE ZINCO ALUMÍNIO ALCALINOS.

ConcedidaInvention Patent

Application data

Number

PI8107979

Type

Invention Patent

Filing

12/08/1981

Publication

09/14/1982

Progress at the INPI

  1. Filing12/08/81
  2. Publication09/14/82
  3. Examination05/15/84
  4. Allowance02/04/86
  5. Grant11/25/86
  6. In force12/08/01

The patent was granted on 11/25/1986 and is in force until 12/08/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/08/2001

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Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hans Heubach GmbH & Co KG

DE

Inventors

A. G. (pessoa física)

G. M. (pessoa física)

H. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 46 698.2 · 12/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

09/14/1982

RPI 621

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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