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Official data from INPI

MISTURA A BASE DE SULFATO BASICO DE CROMO CONTENDO ACIDO MERCAPTOACETICO PARA CURTIMENTO

Em AnáliseInvention Patent
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Application data

Number

PI8303105

Type

Invention Patent

Filing

06/10/1982

Publication

01/31/1984
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Progress at the INPI

  1. Filing06/10/82
  2. Publication01/31/84
  3. Examination08/07/84
  4. Refused02/21/89
  5. Grant
  6. In force

The application was refused on 02/21/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STOPPANI LUIGI SPA [IT]

Inventors

B. A. (pessoa física)

C. G. (pessoa física)

Technical data

IPC Classification

C14C 3/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

02/21/1989

RPI 957

Petição de recurso

#12.2

06/07/1988

RPI 920

Indeferimento (variante)

#9.2.3

02/04/1986

RPI 798

Petição de recurso

#12.2

11/12/1985

RPI 786

Indeferimento

#9.2

07/23/1985

RPI 770

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

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