FI843831L - FOERFARANDE FOER FRAMSTAELLNING AV TRAEMASSA INNEHAOLLANDE S-TRIAZIN SAMT TRAEMASSA OCH PAPPER INNEHAOLLANDE S-TRIAZIN. - Google Patents
FOERFARANDE FOER FRAMSTAELLNING AV TRAEMASSA INNEHAOLLANDE S-TRIAZIN SAMT TRAEMASSA OCH PAPPER INNEHAOLLANDE S-TRIAZIN.Info
- Publication number
- FI843831L FI843831L FI843831A FI843831A FI843831L FI 843831 L FI843831 L FI 843831L FI 843831 A FI843831 A FI 843831A FI 843831 A FI843831 A FI 843831A FI 843831 L FI843831 L FI 843831L
- Authority
- FI
- Finland
- Prior art keywords
- traemassa
- innehaollande
- triazin
- papper
- samt
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Prostheses (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53792783A | 1983-09-30 | 1983-09-30 | |
US53792683A | 1983-09-30 | 1983-09-30 | |
US53792783 | 1983-09-30 | ||
US53792683 | 1983-09-30 | ||
US06/537,876 US4487656A (en) | 1983-09-30 | 1983-09-30 | Process for bleaching paper pulp using melamine as a viscosity stabilizer |
US53787683 | 1983-09-30 | ||
US65175184A | 1984-09-19 | 1984-09-19 | |
US65175184 | 1984-09-19 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI843831A0 FI843831A0 (en) | 1984-09-28 |
FI843831L true FI843831L (en) | 1985-03-31 |
FI74082B FI74082B (en) | 1987-08-31 |
FI74082C FI74082C (en) | 1987-12-10 |
Family
ID=27504668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI843831A FI74082C (en) | 1983-09-30 | 1984-09-28 | FOERFARANDE FOER FRAMSTAELLNING AV MASS AV VED INNEHAOLLANDE S-TRIAZIN SAMT MASSA AV VED OCH PAPPER INNEHAOLLANDE S-TRIAZIN. |
Country Status (10)
Country | Link |
---|---|
AT (1) | ATA310984A (en) |
BR (1) | BR8404914A (en) |
DE (1) | DE3436015A1 (en) |
FI (1) | FI74082C (en) |
FR (1) | FR2552792B1 (en) |
GB (1) | GB2148344B (en) |
IT (1) | IT1180236B (en) |
NO (1) | NO843919L (en) |
NZ (1) | NZ209708A (en) |
SE (1) | SE464031B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4230656A1 (en) * | 1992-09-14 | 1994-03-17 | Ciba Geigy | Process to improve whiteness, brightness and color location of fillers and pigments |
DE4230655A1 (en) * | 1992-09-14 | 1994-03-17 | Ciba Geigy | Process for improving the whiteness, brightness and color location of fibrous materials |
CN115110329A (en) * | 2022-06-28 | 2022-09-27 | 中国制浆造纸研究院有限公司 | Method for reducing metal content and ash content in bleaching section pulp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB600961A (en) * | 1944-09-20 | 1948-04-23 | Du Pont | Improvements in or relating to the impregnation of wood with urea-formaldehyde resins |
BE566286A (en) * | 1957-04-02 | |||
FR1281896A (en) * | 1960-09-07 | 1962-01-19 | Westinghouse Electric Corp | Process for stabilizing cellulosic insulation in contact with liquid dielectrics |
GB1500599A (en) * | 1975-11-28 | 1978-02-08 | Koppers Co Inc | Compositions for imparting fire retardance to wood |
-
1984
- 1984-09-28 FR FR8415011A patent/FR2552792B1/en not_active Expired
- 1984-09-28 FI FI843831A patent/FI74082C/en not_active IP Right Cessation
- 1984-09-28 IT IT22893/84A patent/IT1180236B/en active
- 1984-09-28 NZ NZ209708A patent/NZ209708A/en unknown
- 1984-09-28 BR BR8404914A patent/BR8404914A/en unknown
- 1984-09-28 SE SE8404867A patent/SE464031B/en not_active IP Right Cessation
- 1984-09-28 GB GB08424540A patent/GB2148344B/en not_active Expired
- 1984-09-28 NO NO843919A patent/NO843919L/en unknown
- 1984-10-01 AT AT843109A patent/ATA310984A/en not_active Application Discontinuation
- 1984-10-01 DE DE19843436015 patent/DE3436015A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3436015A1 (en) | 1985-05-02 |
FR2552792A1 (en) | 1985-04-05 |
SE464031B (en) | 1991-02-25 |
FR2552792B1 (en) | 1987-01-09 |
SE8404867D0 (en) | 1984-09-28 |
SE8404867L (en) | 1985-03-31 |
IT8422893A0 (en) | 1984-09-28 |
GB2148344A (en) | 1985-05-30 |
IT1180236B (en) | 1987-09-23 |
NO843919L (en) | 1985-04-01 |
FI74082B (en) | 1987-08-31 |
FI843831A0 (en) | 1984-09-28 |
FI74082C (en) | 1987-12-10 |
NZ209708A (en) | 1988-08-30 |
GB2148344B (en) | 1987-04-15 |
GB8424540D0 (en) | 1984-11-07 |
ATA310984A (en) | 1991-11-15 |
BR8404914A (en) | 1985-08-20 |
DE3436015C2 (en) | 1990-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: MELAMINE CHEMICALS, INC |