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Class Information
Number: 527/401
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From lignin, tannin, or derivative reactant > With n=c=x reactant wherein x is chalcogen or polyepoxide reactant
Description: Subject matter wherein a N=C=X reactant or polyepoxide reactant is present in addition to the lignin, tannin, or derivative.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7064175 |
Adhesive system containing tannin for binding lignocellulosic materials |
Jun. 20, 2006 |
| 6914294 |
Semiconductor device |
Jul. 5, 2005 |
| 6846849 |
Saccharide-based resin for the preparation of foam |
Jan. 25, 2005 |
| 6822042 |
Saccharide-based resin for the preparation of composite products |
Nov. 23, 2004 |
| 6723766 |
Method for manufacturing ligneous material |
Apr. 20, 2004 |
| 6420034 |
Binder composition and process for manufacturing board by using the binder composition |
Jul. 16, 2002 |
| 6339116 |
Methods of fabricating cross-linked biobased materials and structures fabricated therewith |
Jan. 15, 2002 |
| 6288200 |
Polyisocyanate composition |
Sep. 11, 2001 |
| 6025452 |
Lignin based polyols |
Feb. 15, 2000 |
| 5665573 |
Polymerization of lignin at alkaline pH |
Sep. 9, 1997 |
| 5608040 |
Process for the production of lignin-containing polymers |
Mar. 4, 1997 |
| 5484895 |
Graft copolymers of vascular plants, method of making same and uses therefore |
Jan. 16, 1996 |
| 5407980 |
Adhesive composition comprising isocyanate phenol-formaldehyde and tannin, useful for manufacturing plywoods for exterior application |
Apr. 18, 1995 |
| 5324777 |
Process for the production of polymers containing ammonium groups |
Jun. 28, 1994 |
| 4987213 |
Polyurethane and process for preparing same |
Jan. 22, 1991 |
| 4769434 |
Lignin derivative polymers |
Sep. 6, 1988 |
| 4687828 |
Water soluble graft copolymers of lignin-(2-propenamide)-(sodium 2,2-dimethyl-3-imino-4-oxohex-5-ene-1-sulfonate), methods of making the same and uses therefor |
Aug. 18, 1987 |
| 4490518 |
Liquid organic polyisocyanate-dicarboxylic ester binder composition and lignocellulosic composite materials prepared therefrom |
Dec. 25, 1984 |
| 4490517 |
Solid TDI residue-dicarboxylic ester binder composition and lignocellulosic composite materials prepared therefrom |
Dec. 25, 1984 |
| 4486557 |
Organic polyisocyanate-liquid aromatic epoxide-lignin adhesive binder compositions |
Dec. 4, 1984 |
| 4435529 |
Tannin-epoxy reaction products and compositions thereof |
Mar. 6, 1984 |
| 4414361 |
Organic polyisocyanate-cyclic alkylene carbonate adhesive binder compositions |
Nov. 8, 1983 |
| 4383078 |
Process for the production of alkali metal polyhydroxy lignin-cellulose polymer |
May. 10, 1983 |
| 4377674 |
Process for the production of polyhydroxy lignin-cellulose silicate polymer |
Mar. 22, 1983 |
| 4361662 |
Organic polyisocyanate-alkylene oxide adhesive composition for preparing lignocellulosic composite products |
Nov. 30, 1982 |
| 4359507 |
Mixed ethylene and propylene carbonate-containing organic polyisocyanate adhesive binder composition |
Nov. 16, 1982 |
| 4347345 |
Process for the production of broken-down organic lignin-cellulose silicate polymers |
Aug. 31, 1982 |
| 4131573 |
Process for making lignin gels in bead form |
Dec. 26, 1978 |
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