FI882029A - Hjaelpmedel foer kontroll av harts. - Google Patents
Hjaelpmedel foer kontroll av harts. Download PDFInfo
- Publication number
- FI882029A FI882029A FI882029A FI882029A FI882029A FI 882029 A FI882029 A FI 882029A FI 882029 A FI882029 A FI 882029A FI 882029 A FI882029 A FI 882029A FI 882029 A FI882029 A FI 882029A
- Authority
- FI
- Finland
- Prior art keywords
- harts
- control
- hjaelpmedel
- foer
- hjaelpmedel foer
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
-
- 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
- D21H17/02—Material of vegetable origin
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/04—Pitch control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8710448A GB2205591B (en) | 1987-05-01 | 1987-05-01 | Pitch control aid |
Publications (2)
Publication Number | Publication Date |
---|---|
FI882029A0 FI882029A0 (fi) | 1988-04-29 |
FI882029A true FI882029A (fi) | 1988-11-02 |
Family
ID=10616748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI882029A FI882029A (fi) | 1987-05-01 | 1988-04-29 | Hjaelpmedel foer kontroll av harts. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4964952A (fi) |
EP (1) | EP0289341A3 (fi) |
CA (1) | CA1288907C (fi) |
FI (1) | FI882029A (fi) |
GB (1) | GB2205591B (fi) |
ZA (1) | ZA883030B (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5626720A (en) * | 1986-01-09 | 1997-05-06 | W.R. Grace & Co.-Conn. | Method for controlling pitch on a papermaking machine |
US5223097A (en) * | 1986-01-09 | 1993-06-29 | W. R. Grace Ab | Method for controlling pitch on a paper-making machine |
US4995944A (en) * | 1988-09-16 | 1991-02-26 | Dearborn Chemical Company Ltd. | Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixture |
CA2059256A1 (en) * | 1992-01-13 | 1993-07-14 | David Arthur Aston | Pitch control |
US5830315A (en) * | 1995-07-06 | 1998-11-03 | Betzdearborn Inc. | Treatment of Aqueous systems using a chemically modified tannin |
US5695652A (en) * | 1995-12-06 | 1997-12-09 | Betzdearborn Inc. | Methods for inhibiting the production of slime in aqueous systems |
US5611939A (en) * | 1995-12-06 | 1997-03-18 | Betzdearborn Inc. | Methods for inhibiting the production of slime in aqueous systems |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2356151A (en) * | 1941-04-09 | 1944-08-22 | Resinous Prod & Chemical Co | Polyphenylol alkane resins |
US3081219A (en) * | 1960-02-10 | 1963-03-12 | Rohm & Haas | Prevention of deposition of pitch in papermaking |
GB899721A (en) * | 1960-09-01 | 1962-06-27 | Natal Tanning Extract Company | Process for flocculating suspensions |
US3154466A (en) * | 1961-12-01 | 1964-10-27 | Nopco Chem Co | Pitch control in paper making with xylene sulfonic acid-formaldehyde condensates |
SE309531B (fi) * | 1968-01-30 | 1969-03-24 | Mo Och Domsjoe Ab | |
US3582461A (en) * | 1968-02-14 | 1971-06-01 | Diamond Shamrock Corp | Pitch control in pulp and papermaking processes |
US3632507A (en) * | 1970-06-30 | 1972-01-04 | Standard Brands Chem Ind Inc | Flocculation of particles dispersed in aqueous media and flocculants used therein |
US3784649A (en) * | 1971-03-30 | 1974-01-08 | Buckman Labor Inc | High molecular weight ionene polymeric compositions |
US3748220A (en) * | 1972-04-07 | 1973-07-24 | A Gard | Pitch stabilization in papermaking |
US4166894A (en) * | 1974-01-25 | 1979-09-04 | Calgon Corporation | Functional ionene compositions and their use |
US3992249A (en) * | 1974-04-08 | 1976-11-16 | American Cyanamid Company | Control of pulp-paper mill pitch deposits |
US4253912A (en) * | 1979-07-16 | 1981-03-03 | Betz Laboratories, Inc. | Deposit control through the use of oligomeric phosphonic acid derivatives |
US4250269A (en) * | 1979-11-26 | 1981-02-10 | Buckman Laboratories, Inc. | Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants |
AU8854682A (en) * | 1981-11-27 | 1983-06-02 | Buckman Laboratories Inc. | Quaternary ammonium graft polymers |
CH660015A5 (de) * | 1982-02-01 | 1987-03-13 | Sandoz Ag | Polymerisat- und tensidhaltige praeparate, deren herstellung und verwendung. |
US4506081A (en) * | 1982-09-02 | 1985-03-19 | Buckman Laboratories, Inc. | Polymeric quaternary ammonium compounds and their uses |
GR79057B (fi) * | 1982-09-24 | 1984-10-02 | Blue Circle Ind Plc | |
JPS59223392A (ja) * | 1983-05-30 | 1984-12-15 | 花王株式会社 | 古紙再生用脱墨剤 |
US4558080A (en) * | 1984-01-24 | 1985-12-10 | Dearborn Chemical Company | Stable tannin based polymer compound |
JPS6155294A (ja) * | 1984-08-22 | 1986-03-19 | 株式会社片山化学工業研究所 | ピツチ分散剤 |
-
1987
- 1987-05-01 GB GB8710448A patent/GB2205591B/en not_active Expired - Lifetime
-
1988
- 1988-04-28 CA CA000565339A patent/CA1288907C/en not_active Expired - Lifetime
- 1988-04-28 US US07/187,628 patent/US4964952A/en not_active Expired - Lifetime
- 1988-04-28 ZA ZA883030A patent/ZA883030B/xx unknown
- 1988-04-29 FI FI882029A patent/FI882029A/fi not_active Application Discontinuation
- 1988-04-29 EP EP88303917A patent/EP0289341A3/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB8710448D0 (en) | 1987-06-03 |
FI882029A0 (fi) | 1988-04-29 |
CA1288907C (en) | 1991-09-17 |
EP0289341A2 (en) | 1988-11-02 |
US4964952A (en) | 1990-10-23 |
GB2205591A (en) | 1988-12-14 |
GB2205591B (en) | 1990-03-07 |
EP0289341A3 (en) | 1990-05-09 |
ZA883030B (en) | 1988-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: W R GRACE & CO - CONN |