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Official data from INPI

PROCESSO PARA PREPARAR BARRAS DE SABÃO CONTENDO ÁCIDOS MONOCARBOXÍLICOS DE CADEIA LONGA (C8-C24) LIVRES

ConcedidaInvention Patent

Application data

Number

PI7806027

Type

Invention Patent

Filing

09/14/1978

Publication

-

Progress at the INPI

  1. Filing09/14/78
  2. Publication
  3. Examination
  4. Allowance03/14/89
  5. Grant08/29/89
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

I. N. (pessoa física)

GB

T. W. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

38565/77 · 09/15/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/23/1989

RPI 970

100

03/14/1989

RPI 960

Petição de recurso

#12.2

07/22/1986

RPI 822

Indeferimento

#9.2

04/08/1986

RPI 807

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Conhecimento de parecer técnico

#7.1

08/03/1982

RPI 615

6.2

10/20/1981

RPI 574

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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