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Class Information
Number: 527/105
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From reactant which is a cellular material derived from plant or animal source and is other than diatomaceous earth, blood, cotton, or farinaceous flour, e.g., citrus pulp, walnut shell flour, etc. > Wood or wood cellulose fiber or flour > With aldehyde or derivative
Description: Subject matter wherein there is at least one reactant which is an aldehyde or derivative in addition to the wood or wood cellulose (fiber or flour) reactant.

Patents under this class:

Patent Number Title Of Patent Date Issued
6339116 Methods of fabricating cross-linked biobased materials and structures fabricated therewith Jan. 15, 2002
5770319 Densification of lignocellulosic material Jun. 23, 1998
5502088 Wood substitute based on lignocellulosic and inorganic materials, method for obtaining the same and use Mar. 26, 1996
5115084 Method for controlling oil reservoir permeability using biomass oil May. 19, 1992
5034498 Method and apparatus for producing water-soluble resin and resin product made by that method Jul. 23, 1991
4828643 Liquified cellulosic fiber, resin binders and articles manufactured therewith, and method of manufacturing same May. 9, 1989
4597928 Method for fiberboard manufacture Jul. 1, 1986
4514532 Modified phenol-formaldehyde resin and the production thereof Apr. 30, 1985
4508886 Method for making adhesive from biomass Apr. 2, 1985
4469858 Tree foliage extracts and their use in phenol-aldehyde resins Sep. 4, 1984
4433126 Modified phenol-formaldehyde resin and the production thereof Feb. 21, 1984
4383089 Process for the production of polyepoxy silicate resin May. 10, 1983
4382136 Process for the production of polyhydroxy lignin-cellulose silicate polymer May. 3, 1983
4376173 Process for the production of polyepoxy silicate resins Mar. 8, 1983
4367326 Process for the production of polyepoxy silicate resins Jan. 4, 1983
4359548 Process for the production of polyester resins Nov. 16, 1982
4339366 Process for the production of polyester resins Jul. 13, 1982
4337193 Preparation of hardened tall oil pitch Jun. 29, 1982
4226982 Process to break down cellulose polymers and produce cellular solid or solid reaction products Oct. 7, 1980
4113919 Process for in situ formation of a tree-derived resinous adhesive composition Sep. 12, 1978
4045386 Alkali-treated bark extended tannin-aldehyde resinous adhesives Aug. 30, 1977
4026847 Method of partially converting wood into a lignin plastic polymer May. 31, 1977

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