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Class Information
Number: 530/213
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.) > Rosin or derivative used as starting material in process, or product thereof (e.g., using gum rosin, wood rosin, solid tall oil rosin, etc.) > Boron or phosphorus containing material used in the process, or product thereof
Description: Processes wherein there is utilized a material containing boron or phosphorus, or products of such processes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6087318 |
Process to produce disproportionated rosin based emulsifier for emulsion polymerization |
Jul. 11, 2000 |
| 6022947 |
Light-colored, low molecular weight phenolic-modified rosin esters |
Feb. 8, 2000 |
| 5830992 |
Light color, color stable rosin esters and methods for preparing same |
Nov. 3, 1998 |
| 5442067 |
Tetra-[N-alkyl-2,2,6,6,-tetramethylpiperidin-4-yl]-4,4'-diphenylbis phosphonite |
Aug. 15, 1995 |
| 5395920 |
Process for preparing rosin and colorless rosin comprising disproportionation and dehydrogenation |
Mar. 7, 1995 |
| 5177133 |
Hot melt adhesive composition |
Jan. 5, 1993 |
| 5175250 |
Stabilized rosin and process for production and use thereof |
Dec. 29, 1992 |
| 5162496 |
Method for the preparation of light-colored rosin esters |
Nov. 10, 1992 |
| 5049652 |
Use of a mixed catalyst system to improve the viscosity stability of rosin resins |
Sep. 17, 1991 |
| 4788009 |
Method of preparing rosin esters of improved thermal stability with inorganic salt of phosphorous or hypophosphorous acid |
Nov. 29, 1988 |
| 4775497 |
Esterification process with calcium hydroxyaryl phosphonate-organosilicon heterocycle catalyst system |
Oct. 4, 1988 |
| 4744925 |
Method for producing modified rosin & ester |
May. 17, 1988 |
| 4693847 |
Method of preparing hot-melt stable rosin ester with organic ester of hypophosphorous acid catalyst |
Sep. 15, 1987 |
| 4690783 |
Method of preparing rosin ester from polyol with phosphorous acid catalyst |
Sep. 1, 1987 |
| 4643848 |
Modified rosin ester preparation |
Feb. 17, 1987 |
| 4609499 |
Rubber-steel cord adhesion promoter |
Sep. 2, 1986 |
| 4548746 |
Rosin pentaerythritol ester preparation improvement |
Oct. 22, 1985 |
| 4447354 |
Method for making oxidation-stable, light-colored glycerol ester of modified rosin |
May. 8, 1984 |
| 4404034 |
Process for preparing aqueous dispersion of rosin-base materials |
Sep. 13, 1983 |
| 4312631 |
Surface-active compounds based on natural rosin acids |
Jan. 26, 1982 |
| 4297270 |
Manufacture and use of non-ionogenic interface-active agents based on modified rosins |
Oct. 27, 1981 |
| 4222933 |
Treatment of rosin |
Sep. 16, 1980 |
| 3954690 |
Removal of sulfuric acid compounds |
May. 4, 1976 |
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