Patents for C09F 1 - Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins (1,181)
02/2004
02/11/2004EP1388002A2 A color management system
02/04/2004CN1472274A Dechlorination of bleaching shellac
01/2004
01/28/2004CN1136281C Pinggum processing potching and distilling method
12/2003
12/10/2003EP1369462A1 Processes for producing polymerized rosin
11/2003
11/26/2003CN1458212A Heat source supply method for shellac bleaching process
11/19/2003CN1128194C Process for preparing pepper oil resin
09/2003
09/18/2003US20030176637 Gelation inhibition; reacting natural resin with 3-halpropionic acid; then dehydrohalogenation with base
09/17/2003CN1442193A Method of continuously producing eucommia extract powder, gutta percha, eucommia resin and organic fertilizer using eucommia leaf
07/2003
07/30/2003CN1116370C Esterification process of rosin acid and its derivative
07/16/2003CN1429872A Extraction technology of beta-carrageenin
07/09/2003CN1113944C Preparation of tall oil rosin ester with low odor level
07/09/2003CN1113943C Abietyl quaternary ammonium salts compound and preparation method thereof
06/2003
06/25/2003CN1112416C Process for producing flaxseed gum
06/24/2003US6583263 Acrylated maleic-modified rosin esters and methods of preparing same
06/18/2003CN1111542C Process for preparing food additive from stem, cake and seed of flax
06/04/2003CN1422312A Process for producing polymerized rosin
05/2003
05/30/2003WO2002090646A3 A color management system
05/21/2003EP1144526B1 Light-colored rosin esters and adhesive compositions
05/13/2003US6562888 Light-colored rosin esters and adhesive compositions
03/2003
03/26/2003CN1405256A Efficient wet-method flax gum extracting process
03/26/2003CN1405255A Method for extracting vegetable gum from vegetable gum mud
03/20/2003WO2002053665A3 Acrylated maleic modified rosin esters and methods of preparing same
02/2003
02/19/2003CN1397545A Process for extracting 4-hydroxy-isoleucine and by-products including feungreek gum from seed of feungreek
01/2003
01/29/2003CN1100103C Reaction-type neutral rosin resin
01/15/2003CN1098859C Process for supercritical carbon dioxide extracting and separating effective components of ginger
01/08/2003CN1098324C Glycide malcopimarate and its preparing process
12/2002
12/18/2002CN1385488A Technology for extracting polyisopentenol
12/04/2002CN1095489C Chemical process for producing sweet wormwood glue
11/2002
11/26/2002CA2068825C Nitrogen-containing surface-active agents
11/14/2002WO2002090646A2 A color management system
11/14/2002US20020169513 Process for color management
11/06/2002CN1093867C Rosinyl polyoxyethylene ether sulfosuccine monoester disodium salt and its synthesis process
09/2002
09/24/2002US6455633 Polymers made from the reaction of rosin amidoamine/polyethyleneamine mixtures with a multifunctional acrylate ester
09/04/2002CN1367216A Preparation method of high-viscosity nano guar gum
08/2002
08/28/2002CN1089788C Temp phase-transfer process of full-free dispersed rosin size
08/21/2002CN1089353C Process for preparing hydrogenated rosin
08/15/2002WO2002062911A1 Processes for producing polymerized rosin
07/2002
07/31/2002CN1360903A Effective component extracting method from gettama leaf, bark or seed as material
07/11/2002WO2002053665A2 Acrylated maleic modified rosin esters and methods of preparing same
07/11/2002US20020091233 Acrylated maleic-modified rosin esters and methods of preparing same
07/02/2002US6414111 Method for separating sterols from tall oil
05/2002
05/22/2002CN1350041A Esterification process of rosin acid and its derivative
05/16/2002WO2002038690A1 A method of extracting flax gum from flax seed
05/15/2002CN1084777C Method for extracting resin matter from pine wood chips by using several kinds of solvents
05/08/2002CN1084366C Process for catalytic cracking of rosin
03/2002
03/27/2002CN1341690A Preparation method of alkaline oxygenated vegetable tannin extract for gas desulfurization and purification
03/14/2002WO2002020681A1 Method for treating tall oil
02/2002
02/27/2002CN1337432A Production process and equipment for hydrogenated rosin and pinane with high cis-to-trans ratio
02/27/2002CN1337431A Ping gum processing potching and distilling method
11/2001
11/29/2001WO2000006657A3 Light-colored rosin esters and adhesive compositions
11/29/2001EP1144526A3 Light-colored rosin esters and adhesive compositions
11/28/2001CN1075540C Wet extraction method of flax glue from flax seed
11/07/2001CN1074444C Rosin catalyzed by rare-earth metal oxide and method of esterification of derivatives thereof
11/07/2001CN1074443C Method for production of flax gum
11/07/2001CN1074442C Method for production of flax gum
10/2001
10/31/2001CN1319634A Technology for producing flaxseed gum
10/24/2001CN1318606A Wet linseed glue extracting process from linseed
10/24/2001CN1073545C Process for catalytic esterification of maleopimaric acid
10/17/2001EP1144526A2 Light-colored rosin esters and adhesive compositions
10/11/2001DE19956006C1 New thermostable, toluene-soluble modified natural resin acid esters, used as binder resins in varnish extended with toluene, printing ink and illustration gravure and offset printing
08/2001
08/15/2001CN1069677C Liquidambar extract preparing method
08/14/2001US6274657 Surfactant for forming stable dispersions of rosin esters
08/08/2001CN2441804Y Serial pot type rosin processing device
08/01/2001CN1069105C Process for prepn. of disproportionated resin
07/2001
07/26/2001WO2001053376A1 Polymers made from rosin amidoamine/polyethyleneamine mixtures
07/25/2001EP0653471B1 Process for producing colorless rosin
07/24/2001CA2080768C Rosin emulsion sizing agent, paper sized therewith and method of sizing using the same
07/12/2001US20010007906 Fractionating the crude tall oil into a residue fraction and a volatile fraction, while controlling the temperature below or about 290 degree C., where the residue fraction includes the sterol or sterol ester
05/2001
05/30/2001CN1297011A Glycide malcopimarate and its preparing process
05/16/2001CN1065894C Method for dry process extract of flax gum from flax seed shell
04/2001
04/11/2001CN1290730A Process for preparing pepper oil resin
01/2001
01/03/2001CN1060200C Catalytic esterification method of rosin
12/2000
12/27/2000CN1059914C Method for preparation of ammonium methyl N. N. N-trimethyl-N abietylsulfate
12/13/2000CN1276402A Temp phase-transfer process of full-free dispersed rosin size
09/2000
09/13/2000CN1056400C Process for preparing polyglycol ester abietate
08/2000
08/22/2000US6107456 Fractionating crude tall oil into a residue fraction and a volatile fraction wherein residue is at temperature between 250 and 290 degrees celsius and contains the sterol or sterol ester; for beta-sitosterol
08/16/2000CN1263139A Wet extraction method of flax glue from flax seed
08/09/2000CN1262279A Process for preparing food additive from stem, cake and seed of flax
07/2000
07/26/2000CN2389156Y Rosin rectifying equipment
07/11/2000US6087318 Process to produce disproportionated rosin based emulsifier for emulsion polymerization
06/2000
06/14/2000CN1256298A Liquidambar extract preparing method
05/2000
05/17/2000CN1052500C Process for preparing hydrogenated rosin
04/2000
04/26/2000CN1251367A Process for supercritical carbon dioxide extracting and separating effective components of ginger
04/26/2000CN1051793C Acid-modified polyhydric alcohol rosin ester tackifiers and hot melt adhesive compositions containing same
04/05/2000CN1249322A Process for catalytic cracking of rosin
03/2000
03/08/2000CN1246504A Technology for production of flax gum
03/08/2000CN1050149C Method for distillation of raw rosin and apparatus
02/2000
02/23/2000CN1245192A Process for preparing hydrogenated rosin
02/10/2000WO2000006657A2 Light-colored rosin esters and adhesive compositions
01/2000
01/26/2000CN1242401A Method for prodn. of flax gum
12/1999
12/15/1999CN1238364A Reaction-type neutral rosin resin
11/1999
11/24/1999CN1235997A Method for extracting resin matter from pine wood sheet by solvents
11/17/1999CN1235180A Rosin catalyzed by rare-earth metal oxide and method of esterification of derivatives thereof
11/03/1999EP0953022A1 Process for making self-gelled resin solution for ink formulations
10/1999
10/20/1999EP0950081A1 Color stable rosin esters and preparation thereof
10/20/1999CN1232020A Process for catalytic esterification of maleopimaric acid
10/19/1999US5969092 Esterifying tall oil rosin with polyol in one vessel; evaporating esterification product to remove odor components; condensing vaporized components in condenser; recovering tall oil rosin ester
10/05/1999CA2071750C Stabilized rosin and process for production and use thereof
09/1999
09/29/1999CN1045304C Process and appts. for producing resinf rom trigonell seeds
08/1999
08/04/1999CN1224744A Chemical process for producing sweet wormwood glue
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