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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CONJUGADO DE ÁCIDO HIALURÔNICO

PublicadaInvention Patent

Application data

Number

PI8802840

Type

Invention Patent

Filing

06/10/1988

Publication

01/03/1989

Progress at the INPI

  1. Filing06/10/88
  2. Publication01/03/89
  3. Examination03/26/91
  4. Refused01/09/96
  5. Grant
  6. In force

The application was refused on 01/09/1996 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Skandigen A.B.

SE

Inventors

D. E. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8713662 · 06/11/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61K 31/73.

03/27/2018

RPI 2464

111

01/09/1996

RPI 1310

Petição de recurso

#12.2

10/31/1995

RPI 1300

Indeferimento

#9.2

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

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