| Patents for C09F 1 - Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins (1,181) |
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| 02/27/1990 | US4904303 Free of organic solvents |
| 02/21/1990 | EP0354978A2 Purified guaiacum resin and method for making the same |
| 01/23/1990 | CA1264503A1 Marine anti-fouling paint |
| 12/27/1989 | EP0348219A1 Hot melt adhesives containing stabilized rosin esters and methods for their production |
| 11/15/1989 | EP0341956A2 Copolymer of resin acids and maleic anhydride |
| 11/08/1989 | CN1005727B Marine anti-fouling paint |
| 11/07/1989 | US4879369 Emulsifier, sparging, distillation, disproportionation |
| 11/01/1989 | CN2046891U Still for extracting rosin |
| 10/31/1989 | US4877457 Cationic aqueous bituminous emulsion-aggregate slurries preparation |
| 07/12/1989 | EP0323721A1 Stabilisation of modified rosin |
| 07/11/1989 | US4847010 Storage stability |
| 06/27/1989 | US4842878 With simultaneous separation of plant protectives |
| 06/27/1989 | US4842691 Sizing agents in neutral range and sizing methods using the same |
| 04/26/1989 | EP0313360A1 High strength pigments for printing inks |
| 04/25/1989 | CA1253142A1 Method of improving the color of tall oil rosin ester |
| 04/18/1989 | US4822526 Process for preparing liquid rosin ester with anthraquinone and alkali metal iodide |
| 04/06/1989 | DE3832639A1 Method of producing a colourless colophony resin (rosin) |
| 03/22/1989 | CN2034579U Resin continuous fusion device |
| 03/14/1989 | US4812508 Maleinized rosin, printing inks |
| 03/07/1989 | US4810299 Seals for paving |
| 02/21/1989 | US4806285 Hydrogenated grindelia acids and their methyl, glycerol and pentaerythritol esters |
| 02/01/1989 | CN1030777A Surface sizing compositions |
| 01/18/1989 | CN1030437A Method for producing rosin from fossil resin |
| 12/28/1988 | EP0296729A1 Surface sizing compositions |
| 12/28/1988 | EP0296543A2 Condensation products containing nitrogen based on modified or unmodified natural resins, method of making them and their use |
| 12/28/1988 | CA1247598A Compounds containing amide linkages from mono-and polycarboxylic acids in the same molecule and lubricants and fuels containing same |
| 12/27/1988 | US4793863 High strength pigments for printing inks |
| 12/20/1988 | US4792356 Water-dilutable printing ink binder system and use thereof as printing ink |
| 12/08/1988 | DE3814019A1 Process for the preparation of colophony (colophonium, rosin) from fossil resins |
| 11/30/1988 | EP0292701A2 Phenolic resin and polyether treated guayule resin and rubber compositions containing the same |
| 11/29/1988 | US4788009 Esterification, hot melt adhesives |
| 11/22/1988 | US4786683 Phenolic resin and polyether treated guayule resin |
| 11/01/1988 | CA1244005A1 Modified colophony rosins, a process for their preparation, their use and paper-sizing agents containing such modified colophony rosins |
| 10/11/1988 | US4776985 Alkoxylated rosin amides |
| 10/04/1988 | US4775497 Oxidation resistance, discoloration inhibition, and storage st ability |
| 10/04/1988 | US4775496 Oxygen, ozone, light and heat resistance |
| 09/06/1988 | CA1241637A1 Surfactants |
| 08/03/1988 | EP0276841A2 Process for the controlled partition of guayule resin |
| 07/19/1988 | US4758379 Process of preparing polyol esters of rosin with excess rosin |
| 06/15/1988 | EP0270774A1 Improved process of preparing polyol esters of rosin |
| 06/15/1988 | EP0270773A1 Method of preparing rosin esters of improved thermal stability |
| 06/15/1988 | EP0270711A1 Improved method for rosin esterification |
| 06/14/1988 | US4751025 Diels-alder adduct |
| 05/17/1988 | US4744925 Esterification with polyalcohol for storage stability |
| 04/19/1988 | US4739038 Solvent extraction using hydrocarbon and water |
| 04/19/1988 | US4739037 Rubber extraction with mixed hydrocarbon-polar solvent |
| 03/30/1988 | EP0261421A2 Method for the extraction of non-polar ingredients from hops |
| 03/16/1988 | EP0259697A2 Pressure sensitive adhesive composition and production thereof |
| 03/02/1988 | EP0257622A1 Method of preparing rosin esters |
| 02/24/1988 | EP0256050A1 Method for the production of a coating and the coating so obtained |
| 02/16/1988 | US4725384 Method for rosin esterification in the presence of phosphinic acid and phenol sulfide and subsequent neutralization with a magnesium salt |
| 11/11/1987 | EP0244813A2 Urethane-modified rosin esters |
| 09/15/1987 | US4693847 Method of preparing hot-melt stable rosin ester with organic ester of hypophosphorous acid catalyst |
| 09/15/1987 | US4693846 Binder for lithography ink |
| 09/02/1987 | EP0234986A1 Time and heat stable resinous compositions, self-stabilized resinous esters, production process and use as photo-thermoplastic material |
| 09/01/1987 | US4690783 Method of preparing rosin ester from polyol with phosphorous acid catalyst |
| 08/05/1987 | EP0231150A2 Esterification process using a calcium (hydroxy benzyl phosphonate) catalyst |
| 08/04/1987 | US4684715 Hydrocarbon and polar solvents |
| 07/30/1987 | WO1987004448A1 Method for the production of a coating and the coating so obtained |
| 07/21/1987 | US4681929 Use of rubber solvent-resin solvent and miscella mixtures for extraction-expression of rubber and resins from guayule shrub |
| 06/23/1987 | US4675051 Time-release binder comprising reaction product or rosin and aliphatic polyamine; nontoxic pigments |
| 05/20/1987 | EP0222229A1 Water-dilutable printing ink binder system and its use as a printing ink |
| 05/05/1987 | USRE32411 Polester-polyimine midified tall oil rosin |
| 04/21/1987 | US4659514 Esters with better color and stability in shorter time |
| 04/21/1987 | US4659513 Disproportionation of unsaturated acids in rosin or tall oil |
| 04/14/1987 | US4657706 Method of improving the color of tall oil rosin esters |
| 04/14/1987 | US4657703 Method of improving the color of tall oil rosin esters |
| 03/24/1987 | CA1219579A1 Decarboxylation of rosin acids |
| 03/17/1987 | US4650607 Method for rosin esterification |
| 03/11/1987 | EP0213416A1 Process for the preparation of a composition useful for the stimulation of plant growth |
| 02/17/1987 | US4643848 Modified rosin ester preparation |
| 02/17/1987 | US4643847 Solvent extraction using an immiscible mixture of polar and nonpolar solvents; distillation |
| 01/28/1987 | EP0209690A1 Polyether treated guayule resin and rubber compositions containing the same |
| 01/27/1987 | US4639492 Phenolic-modified rosin esters |
| 01/14/1987 | EP0208140A1 Polyamine treated guayule resin & rubber compositions containing the same |
| 11/12/1986 | EP0201279A2 Marine anti-fouling paint |
| 11/11/1986 | US4622365 Polyether treated guayule resin and rubber compositions containing the same |
| 11/04/1986 | US4621118 Sulfurized guayule resin and rubber |
| 10/29/1986 | CN86103128A Marine anti-fouling paint |
| 10/15/1986 | EP0197285A1 Sulfurized guayule resin and rubber compositions containing the same |
| 10/07/1986 | US4616068 A rubber additive for green strength, tear strength, hysterisis loss, building tack |
| 09/10/1986 | EP0194181A1 Depilatory composition containing rosin derivatives and method for its preparation |
| 09/10/1986 | EP0194160A2 Disproportionation of unsaturated acids |
| 08/20/1986 | CN85102451A Decolouring and crystallization inhibiting of rosin |
| 07/22/1986 | CA1208207A1 Oxidation-stable, light-colored glycerol ester of modified rosin |
| 07/09/1986 | CN85100264A Upgrading chinese lacquer |
| 05/27/1986 | US4591631 Separation of guayule rubber/resin extract from guayule bagasse by water addition post-extraction |
| 05/27/1986 | CA1205066A1 Process for separating fatty acids from rosin acids |
| 04/29/1986 | US4585584 Esterification in presence of activated carbon |
| 02/26/1986 | EP0172387A2 Method of polymerizing rosin |
| 01/28/1986 | US4566997 Ammonia or amine- |
| 01/21/1986 | CA1199631A1 Inert rosin esters and process for preparing the same |
| 10/30/1985 | EP0159794A2 Novel surfactants |
| 10/22/1985 | US4548746 Rosin pentaerythritol ester preparation improvement |
| 09/10/1985 | US4540635 Reinforced with formaldehyde and/or unsaturated carbonyl ester with aminoalcohol |
| 08/20/1985 | US4536333 Method of polymerizing rosin |
| 08/07/1985 | EP0150754A2 Modified colophony resins, method of their manufacture, their use and paper sizing agents containing them |
| 07/31/1985 | EP0149958A2 Decarboxylation of rosin acids |
| 05/07/1985 | US4515713 Decarboxylation of rosin acids |
| 03/26/1985 | US4507228 Partial hydrogenation of tall oil rosin |