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Official data from INPI

PROCESSO PARA PRODUÇÃO DE ARTIGOS DE HIDROGEL CONFORMADOS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006395

Type

Invention Patent

Filing

12/14/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/14/90
  2. Publication09/24/91
  3. Examination12/28/93
  4. Allowance10/07/97
  5. Grant09/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

E. R. (pessoa física)

US

G. H. (pessoa física)

US

J. H. (pessoa física)

US

T. K. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

US

451.077 · 12/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/12/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

06/04/1991

RPI 1070

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