USB491673I5 - - Google Patents
Info
- Publication number
- USB491673I5 USB491673I5 US49167374A USB491673I5 US B491673 I5 USB491673 I5 US B491673I5 US 49167374 A US49167374 A US 49167374A US B491673 I5 USB491673 I5 US B491673I5
- Authority
- US
- United States
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- 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
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732339591 DE2339591C2 (de) | 1973-08-04 | Verfahren und Anlage zum Aufbreiten von Altpapier | |
| DT2339591 | 1973-08-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB491673I5 true USB491673I5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-02-17 |
| US3994770A US3994770A (en) | 1976-11-30 |
Family
ID=5888925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/491,673 Expired - Lifetime US3994770A (en) | 1973-08-04 | 1974-07-25 | Treatment of waste paper, especially to effect the recovery of clean fibers therefrom |
Country Status (4)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755926A (en) * | 1992-02-24 | 1998-05-26 | Kimberly-Clark Worldwide, Inc. | Integrated pulping process of waste paper yielding tissue-grade paper fibers |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2648335C2 (de) * | 1976-10-26 | 1983-07-14 | Dr. Werner Freyberg Chemische Fabrik Delitia Nachf., 6941 Laudenbach | Verfahren zum Entgiften von phosphidhaltigen Schädlingsbekämpfungsmitteln |
| NL7810361A (nl) * | 1977-10-20 | 1979-04-24 | Montedison Spa | Werkwijze voor het ontinkten van afvalpapier en daarbij te gebruiken preparaat. |
| DE2751084C2 (de) * | 1977-11-16 | 1979-08-23 | J.M. Voith Gmbh, 7920 Heidenheim | Verfahren und Vorrichtung zum Aufbereiten von Altpapier |
| US4360402A (en) * | 1979-03-27 | 1982-11-23 | J. M. Voith Gmbh | Process and apparatus for preparing waste paper for reuse |
| DE2941898A1 (de) * | 1979-10-17 | 1981-04-30 | Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen | Verfahren und einrichtung zum aufbereiten von altpapier |
| SE444825B (sv) * | 1984-09-10 | 1986-05-12 | Mo Och Domsjoe Ab | Forfarande for framstellning av forbettrad hogutbytesmassa |
| DE3522395C1 (de) * | 1985-06-22 | 1986-11-20 | J.M. Voith Gmbh, 7920 Heidenheim | Verfahren und Anordnung zur Aufarbeitung von Altpapier |
| WO1992001833A1 (en) * | 1990-07-18 | 1992-02-06 | Peter John Mitchell Farley | Process and apparatus for the production of paper products |
| US5213660A (en) * | 1990-10-12 | 1993-05-25 | Kimberly-Clark Corporation | Secondary fiber cellulose product with reduced levels of polychlorinated dibenzodioxins and polychlorinated dibenzofurans |
| US5302245A (en) * | 1991-04-02 | 1994-04-12 | Vps Technology Partnership | Integrated wastepaper treatment process |
| US5362362A (en) * | 1992-06-29 | 1994-11-08 | Newspaper Association Of America | Methods of deinking cellulosic materials |
| US5429718A (en) * | 1993-11-12 | 1995-07-04 | Lonza Inc. | Polyglycerol antifoam agents in paper processing |
| KR20010086002A (ko) | 1998-11-09 | 2001-09-07 | 데이비드 엠 모이어 | 미립자 물질이 함침된 기재를 갖는 음식 용기 |
| SE513596C2 (sv) * | 1999-02-22 | 2000-10-09 | Stora Kopparbergs Bergslags Ab | Metod vid tillverkning av papper eller kartong |
| US11931743B2 (en) * | 2021-02-19 | 2024-03-19 | Amertechtowerservices, Llc | Method and apparatus for shredding cooling tower debris |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2083884A (en) * | 1932-09-24 | 1937-06-15 | Wells Harold Donald | Wastepaper de-inking and de-fibering process and apparatus |
| US2005742A (en) * | 1934-05-25 | 1935-06-25 | Pierre R Hines | Process for deinking imprinted paper |
| CH417311A (de) * | 1961-07-05 | 1966-07-15 | Degussa | Verfahren zum Herstellen gereinigter wässriger Dispersionen von Faserstoffen |
| US3245868A (en) * | 1963-09-06 | 1966-04-12 | Black Clawson Co | Continuous process for the recovery of paper broke containing a wet strength resin |
| US3440134A (en) * | 1965-10-15 | 1969-04-22 | M T Reed Construction Co | Method for treating corrugated waste-paper and product produced thereby |
| US3441130A (en) * | 1967-11-30 | 1969-04-29 | Procter & Gamble | Process for the removal of fines from wood pulp fibers |
-
1974
- 1974-05-27 AT AT433474A patent/AT333587B/de active
- 1974-07-12 SE SE7409178A patent/SE403631B/xx not_active IP Right Cessation
- 1974-07-25 US US05/491,673 patent/US3994770A/en not_active Expired - Lifetime
- 1974-08-05 JP JP8975674A patent/JPS5417042B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5755926A (en) * | 1992-02-24 | 1998-05-26 | Kimberly-Clark Worldwide, Inc. | Integrated pulping process of waste paper yielding tissue-grade paper fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7409178L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-02-05 |
| DE2339591A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-21 |
| SE403631B (sv) | 1978-08-28 |
| JPS5048202A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-30 |
| ATA433474A (de) | 1976-03-15 |
| DE2339591B1 (de) | 1974-11-21 |
| US3994770A (en) | 1976-11-30 |
| AT333587B (de) | 1976-11-25 |
| JPS5417042B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-27 |