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Class Information
Number: 530/205
Name: Chemistry: natural resins or derivatives; peptides or proteins; lignins or reaction products thereof > Natural resins or derivatives (e.g., wood or pine tar; cativo resin derivatives, etc.) > Recovery of tall oil or derivatives from papermaking waste, purification of tall oil, or separation of components of tall oil; or product thereof (e.g., separation of rosin, fatty acids, sterols, etc.; decolorizing, etc.)
Description: Processes wherein: (1) tall oil or a derivative thereof is recovered from papermaking waste; (2) one or more components are separated from tall oil; (3) tall oil is purified; or products of such processes.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7504478 |
Additives for increasing the separation yield of tall oil soap from black liquors |
Mar. 17, 2009 |
| 7208570 |
Method of refining tall oil |
Apr. 24, 2007 |
| 7084238 |
Brine separation in tall soap oil preparation |
Aug. 1, 2006 |
| 6844420 |
Natural resin formulations |
Jan. 18, 2005 |
| 6555649 |
Natural resin formulations |
Apr. 29, 2003 |
| 6433121 |
Method of making natural oil-based polyols and polyurethanes therefrom |
Aug. 13, 2002 |
| 6420533 |
Method to separate sodium from lignins and produce a sodium containing solution for recycle |
Jul. 16, 2002 |
| 6414111 |
Method for separating sterols from tall oil |
Jul. 2, 2002 |
| 6348566 |
Method for preparing tall oil |
Feb. 19, 2002 |
| 6326461 |
Natural resin formulations |
Dec. 4, 2001 |
| 6297353 |
Process for obtaining unsaponifiable compounds from black-liquor soaps, tall oil and their by-products |
Oct. 2, 2001 |
| 6172183 |
Process and apparatus for the cleaning of crude tall oil soap |
Jan. 9, 2001 |
| 6107456 |
Method for separating sterols from tall oil |
Aug. 22, 2000 |
| 5898065 |
Neutralization of tall oil soap |
Apr. 27, 1999 |
| 5698668 |
Modified natural-resin acid esters, processes for their preparation, and their use as binder resins in printing inks |
Dec. 16, 1997 |
| 5691154 |
Enzyme linked immunoassay with stabilized polymer saccharide enzyme conjugates |
Nov. 25, 1997 |
| 5543110 |
Tall oil deodorization process |
Aug. 6, 1996 |
| 5492821 |
Stabilized polyacrylic saccharide protein conjugates |
Feb. 20, 1996 |
| 5455328 |
Method for acidification of soap with sodium bisulphite solution |
Oct. 3, 1995 |
| 5283319 |
Process and control strategy for the recovery and use of excess carbon dioxide discharge from a high pressure carbon dioxide acidulation process |
Feb. 1, 1994 |
| 5132399 |
Color of tall oil fractions by treating soap skimmings |
Jul. 21, 1992 |
| 5082497 |
Solution rosin resinate for publication gravure inks |
Jan. 21, 1992 |
| 4977243 |
Separation of sterols from low-acid feeds with magnesium silicate and methyl-tert-butyl ether desorbent |
Dec. 11, 1990 |
| 4879369 |
Method of removing lignin from tall oil |
Nov. 7, 1989 |
| 4568496 |
Process for separating unsaponifiables from fatty acids |
Feb. 4, 1986 |
| 4534900 |
Process for separating fatty acids from unsaponifiables |
Aug. 13, 1985 |
| 4524024 |
Processes of recovering fatty acids and sterols from tall oil pitch |
Jun. 18, 1985 |
| 4496478 |
Process for separating unsaponifiables from fatty and rosin acids |
Jan. 29, 1985 |
| 4495094 |
Process for separating fatty and rosin acids from unsaponifiables |
Jan. 22, 1985 |
| 4426322 |
Method and apparatus for the desalination of crude tall oil |
Jan. 17, 1984 |
| 4422966 |
Separation of neutrals from tall oil soaps |
Dec. 27, 1983 |
| 4353838 |
Process for separating a monoethanoid fatty acid |
Oct. 12, 1982 |
| 4256628 |
Sulfur-free acidulation of tall oil soap |
Mar. 17, 1981 |
| 4197168 |
Recovery of anthraquinone from tall oil |
Apr. 8, 1980 |
| 4142967 |
Process for enhancing recovery of tall oil soap from black liquor |
Mar. 6, 1979 |
| 4101535 |
Method and apparatus for recovering saponified tall oil |
Jul. 18, 1978 |
| 4088638 |
Method and apparatus for recovering saponified oil |
May. 9, 1978 |
| 4085000 |
Method of recovering tall-oil soap from kraft black liquor |
Apr. 18, 1978 |
| 4083790 |
Aqueous drilling fluid |
Apr. 11, 1978 |
| 4022653 |
Process for separating soap from black liquor |
May. 10, 1977 |
| 3965085 |
Method for refining of soaps using solvent extraction |
Jun. 22, 1976 |
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