PT97501A - Processo para deslenhificacao com oxigenio de pasta nao branqueada - Google Patents

Processo para deslenhificacao com oxigenio de pasta nao branqueada

Info

Publication number: PT97501A
Authority: PT; Portugal
Prior art keywords: pulp; density; alkaline material; oxygen; weight
Prior art date: 1991-04-26

Application number

PT9750191A

Other languages

English (en)

Other versions

PT97501B (pt

Inventor

Bruce F Griggs

Original Assignee

Union Camp Patent Holding

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-04-26

Filing date

1991-04-26

Publication date

1992-10-30

1991-04-26 Application filed by Union Camp Patent Holding filed Critical Union Camp Patent Holding

1991-04-26 Priority to PT9750191A priority Critical patent/PT97501B/pt

1992-10-30 Publication of PT97501A publication Critical patent/PT97501A/pt

1999-02-26 Publication of PT97501B publication Critical patent/PT97501B/pt

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 3
229910052760 oxygen Inorganic materials 0.000 title abstract 3
239000001301 oxygen Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
239000000463 material Substances 0.000 abstract 9
239000007788 liquid Substances 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 1

Landscapes

Paper (AREA)

PT9750191A 1991-04-26 1991-04-26 Processo para deslenhificacao com oxigenio de pasta nao branqueada PT97501B (pt)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PT9750191A PT97501B (pt)	1991-04-26	1991-04-26	Processo para deslenhificacao com oxigenio de pasta nao branqueada

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PT9750191A PT97501B (pt)	1991-04-26	1991-04-26	Processo para deslenhificacao com oxigenio de pasta nao branqueada

Publications (2)

Publication Number	Publication Date
PT97501A true PT97501A (pt)	1992-10-30
PT97501B PT97501B (pt)	1999-02-26

Family

ID=20084932

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT9750191A PT97501B (pt)	1991-04-26	1991-04-26	Processo para deslenhificacao com oxigenio de pasta nao branqueada

Country Status (1)

Country	Link
PT (1)	PT97501B (pt)

1991
- 1991-04-26 PT PT9750191A patent/PT97501B/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
PT97501B (pt)	1999-02-26

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Legal Events

Date

Code

Title

Description

1992-10-30

BB1A

Laying open of patent application

Effective date: 19920703

1999-02-26

FG3A

Patent granted, date of granting

Effective date: 19981104

2000-09-29

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20000531