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Official data from INPI

PROCESSO PARA INIBIR ADERÊNCIA DE CÉLULAS BACTERIANAS A SUPERFÍCIES SÓLIDAS E CONTROLAR DEGRADAÇÃO BIOLÓGICA EM SISTEMAS HÍDRICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004991

Type

Invention Patent

Filing

09/28/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing09/28/90
  2. Publication09/10/91
  3. Examination04/07/92
  4. Allowance07/09/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buckman Laboratories International, Inc

US

See this company's full portfolio

Inventors

C. H. (pessoa física)

US

P. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/420,326 · 10/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/09/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/09/1996

RPI 1336

Exigência - art. 36 da LPI

#6.1

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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