| Patent Number |
Title Of Patent |
Date Issued |
| RE37023 |
Aqueous phenolic resin dispersions |
January 16, 2001 |
| The invention is directed to a stable phenolic dispersion of hydrophilic phenolic resin polymer using polyvinyl alcohol as protective colloid. Incorporation of a small proportion of an etherified bisphenol-A resin into an aqueous solution of a phenolic resin and a protective colloid |
| 7213367 |
Slow release nitrogen seed coat |
May 8, 2007 |
| A seed for enhancing the extended delivery of nitrogen needed for plant development and growth, the seed having a slow release nitrogen coating of a particulate UF polymer adhered to the seed with an adhesive binder. |
| 7119148 |
Glyoxylated polyacrylamide composition strengthening agent |
October 10, 2006 |
| A method for making a storage-stable glyoxalated polyacrylamide composition suitable for use as a strengthening agent for paper in which the glyoxal is added to the base polyacrylamide polymer in two portions and a scavenger for aldehyde groups is used. |
| 7087703 |
Phenolic resin compositions containing etherified hardeners |
August 8, 2006 |
| This invention relates to a resin composition capable of being thermally cured while minimizing or eliminating voids in the resulting composite, the composition having both a long pot life at low temperatures and a fast curing rate at higher temperatures containing a mixture of (a) a |
| 7049387 |
Cure accelerator system for phenolic resins |
May 23, 2006 |
| The cure rate of phenol-aldehyde resins is accelerated by conjoint use of a cyclic carbonate cure accelerant and an amine cure accelerant. The cure rate is accelerated still further by addition of a resorcinol source to resin comprising a cyclic carbonate and an amine cure accelerator. A |
| 7034087 |
Aldehyde scavengers for preparing temporary wet strength resins with longer shelf life |
April 25, 2006 |
| Aldehyde scavengers which are adducts of choline or a choline salt and an optionally substituted acrylamide monomer can be used to stabilize glyoxalated polyacrylamide compositions and to provide supplementary cationic charges for the polymer backbone. |
| 6936681 |
Slow release nitrogen fertilizer |
August 30, 2005 |
| A slow release, particulate urea-formaldehyde polymer useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and a granular fertilizer made with the particulate urea-formaldehyde polymer. |
| 6936573 |
Slow release nitrogen root treatment |
August 30, 2005 |
| A method for treating a seedling by dipping the roots of the seedling into a composition containing a slow release, particulate urea-formaldehyde polymer, which is useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and to the |
| 6906130 |
Inverted novolac resin-type insulation binder |
June 14, 2005 |
| A substantially infinitely water-dilutable resole (P:F) resin solution useful for preparing an aqueous binder composition and the related method of its use for making glass fiber products, especially fiberglass insulation. |
| 6900162 |
Slow release nitrogen coating |
May 31, 2005 |
| A coated aggregate material for enhancing the extended delivery of nitrogen needed for plant development and growth, the coated aggregate material having a slow release (extended-release) nitrogen coating of a particulate UF polymer adhered to the aggregate material with an adhesive bind |
| 6886618 |
System for catalyzation of thermoset resin adhesives for wood composites using computerized in-l |
May 3, 2005 |
| The present invention provides a process and system for the manufacture of wood-based composites that implement feedback adjusted in-line addition of a curing accelerator/catalyst to a thermosetting resin adhesive based on at least one of: present moisture content of the wood substrate b |
| 6861099 |
Ammonium hydroxide scavenged binder for low TMA fiberglass insulation products |
March 1, 2005 |
| A phenol-formaldehyde resole resin is combined with an ammonia-based formaldehyde scavenger to produce a product useful, for example, as a binder used in the production of glass fiber insulation products. The starting resin may have a free formaldehyde content of 1.5 to 14 wt. %, bas |
| 6787574 |
Emulsification of alkenyl succinic anhydride size |
September 7, 2004 |
| Alkenyl succinic anhydride (ASA) size emulsions are prepared using a grafted cationic acrylamide starch co-polymer as an emulsification agent. The ASA size emulsions of the present invention exhibit significantly greater stability compared to presently available ASA size emulsions. The |
| 6785947 |
Method of producing a core board product |
September 7, 2004 |
| A method of making core board product may be under the control of a processing unit. A first tubular core may be dispensed to a conveying portion to support the first tubular core at an interim location. The first tubular core may be conveyed to a flattening position under pressure o |
| 6734232 |
Styrene-acrylate copolymer composition suitable for surface size |
May 11, 2004 |
| A composition of matter for surface sizing of paper and other cellulosic products. In particular, the composition is a styrene/acrylic acid ester copolymer latex made by emulsion copolymerization without surfactants. |
| 6706845 |
Low formaldehyde emission phenol-formaldehyde resin and method for manufacture thereof |
March 16, 2004 |
| Phenol formaldehyde resins that have low free formaldehyde when produced, that maintain their low free formaldehyde levels during storage, and that demonstrate low levels of formaldehyde emissions during processing, curing, and thereafter. |
| 6706809 |
Resin/binder system for preparation of low odor fiberglass products |
March 16, 2004 |
| Infinitely water soluble, storage stable, low molecular weight, amine-modified resins/binders (e.g., phenol-formaldehyde resole resins and binders made therefrom) are used to produce low odor fiberglass products, such as fiberglass insulation for automobile headliners and room dividers. |
| 6642299 |
Urea-formaldehyde resin binders containing styrene acrylates and acrylic copolymers |
November 4, 2003 |
| An aqueous binder composition containing a urea-formaldehyde resin modified with an additive comprising (1) styrene acrylic acid or styrene acrylate, (2) an adduct of styrene, maleic anhydride, and an acrylic acid or acrylate or (3) a physical mixture of a styrene acrylic acid or sty |
| 6632262 |
Controlled release urea-formaldehyde liquid fertilizer resins |
October 14, 2003 |
| A controlled release urea-formaldehyde liquid resin having a nitrogen level of at least 28 wt % and its method of manufacture. The controlled release urea-formaldehyde resin is useful as a fertilizer. |
| 6627131 |
Method for introducing an additive to a composite panel |
September 30, 2003 |
| A method of forming a composite panel includes the steps of supplying a material to a forming station, supplying a dry additive to the material at the forming station, producing a mat comprising the material and the additive at the forming station, and applying heat and pressure to the m |
| 6618492 |
System and method for measurement of adhesive resin distribution on wood flakes using a scanner |
September 9, 2003 |
| The present invention provides a system and method for determining adhesive resin distribution on wood flakes to be formed into a wood-based composite. Where a predetermined amount of adhesive resin has been sprayed onto a selected amount of wood flakes being tumbled in a blender, the |
| 6607619 |
Catalyzation of thermoset resin adhesives for wood composites using computerized in-line meterin |
August 19, 2003 |
| The present invention provides a process and system for the manufacture of wood-based composites that implement feedback adjusted in-line addition of a curing accelerator/catalyst to a thermosetting resin adhesive based on at least one of: present moisture content of the wood substrate b |
| 6601291 |
Apparatus and method of producing a core board product |
August 5, 2003 |
| A core board forming apparatus includes a feeding apparatus for sensing and dispensing tubular cores at predetermined dispensing positions. A compression apparatus receives and detects the tubular cores and flattens and secure at least two flattened tubular cores together. A controller |
| 6579338 |
Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
June 17, 2003 |
| A controlled release liquid urea formaldehyde fertilizer which has a nitrogen level at least 31% and its method of manufacture. |
| 6569953 |
Phenolic resin polyols and polymers derived from the polyols |
May 27, 2003 |
| Phenolic resin polyols are disclosed. The polyols, which contain aliphatic or mixed phenolic and aliphatic hydroxyl groups, are the reaction products of aralkylated phenols or phenol aralkylation polymers with an oxyalkylating agent selected from alkylene oxides and alkylene carbonates. |
| 6566459 |
Melamine-urea-formaldehyde resins modified with cyclic urea prepolymer and sodium metabisulfite |
May 20, 2003 |
| A melamine-urea-formaldehyde resin modified with a cyclic urea prepolymer and sodium metabisulfite. Products prepared with the binder include wood composites such as particleboard and medium density fiberboard. |
| 6565976 |
High strength pultrusion resin |
May 20, 2003 |
| A pultrusion resin composition comprising about 75 wt % to about 85 wt % of a phenolic resin, about 9 wt % to about 20 wt % of the reaction product of a polyhydroxy compound and an epoxy-functional polysiloxane, about 6 wt % to about 15 wt %, of a phenolic epoxy, and about 0.2 wt % to ab |
| 6432254 |
Wood composite prepared with a B-stageable resin |
August 13, 2002 |
| A method for making a consolidated wood product comprising coating wood components with a B-stageable, phenol-formaldehyde resole resin; heating the coated wood components to about 80 to 140.degree. C. for a time sufficient to advance the resin to a B-stage; forming a mat or stack of |
| 6399740 |
Process for reducing mono-functional and non-functional by-products during aralkylation of pheno |
June 4, 2002 |
| Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one styrenic monomer to obtain an |
| 6399719 |
Cyclic urea-formaldehyde prepolymer-modified melamine-containing resins, and use in binders for |
June 4, 2002 |
| A melamine-containing resin modified with a cyclic urea prepolymer comprising urea, formaldehyde and ammonia or a primary amine. The prepolymer-modified melamine-containing resin provides useful binders alone, or when combined or coreacted with other resins. Products prepared with th |
| 6379814 |
Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde res |
April 30, 2002 |
| The preparation of phenol-formaldehyde and melamine-formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to a cyclic urea prepolymer comprising urea, formaldehyde, and |
| 6369171 |
Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde res |
April 9, 2002 |
| The preparation of phenol-formaldehyde and melamine formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to a cyclic urea prepolymer comprising urea, formaldehyde, and |
| 6342303 |
Epoxy-functional polysiloxane modified phenolic resin compositions and composites |
January 29, 2002 |
| The preparation of composites using epoxy-functional silicones as additives to phenolic resole resins. |
| 6306194 |
Controlled release urea-formaldehyde liquid fertilizer resins with high nitrogen levels |
October 23, 2001 |
| A controlled release liquid urea formaldehyde fertilizer which has a nitrogen level at least 31% and its method of manufacture. |
| 6291077 |
Lactone chain-extended phenolic polyester polyols |
September 18, 2001 |
| A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise the reaction product of (i) a l |
| 6245438 |
Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde res |
June 12, 2001 |
| The preparation of phenol-formaldehyde and melamine-formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to a cyclic urea prepolymer comprising urea, formaldehyde, and |
| 6228914 |
Intumescent composition and method |
May 8, 2001 |
| An aqueous composition containing a hardenable binder of a melamine compound, such as an acid-hardenable melamine-formaldehyde resin, and an acidic phosphorus compound, such as a nitrogen-containing phosphorus compound made from either phosphoric acid or phosphorus acid, and expandab |
| 6166151 |
Lactone chain-extended phenolic polyester polyols |
December 26, 2000 |
| A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise the reaction product of (i) a l |
| 6132885 |
Composites prepared with ready-to-use resin/wax emulsion adhesives |
October 17, 2000 |
| A single package, ready-to-use (RTU) resin/wax emulsion adhesive and a method of preparing the same by heating a thermosetting resin and adjusting the pH of the wax emulsion prior to combining the resin and wax emulsion. The use of the adhesive in making bonded composites such as wood |
| 6114491 |
Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde res |
September 5, 2000 |
| The preparation of phenol-formaldehyde and melamine-formaldehyde resin-based binders extended with a cyclic urea-formaldehyde prepolymer and to products prepared using the binders. More particularly, the invention relates to a cyclic urea prepolymer comprising urea, formaldehyde, and |
| 6102995 |
High performance intumescent system for imparting heat/flame resistance to thermally unstable su |
August 15, 2000 |
| An intumescent composition comprising the dried product of a composition containing as essential components (1) the reaction product of aluminum oxide or aluminum hydroxide hydrate and an organic amine phosphate or a salt thereof, and (2) expandable graphite flake. |
| 6087318 |
Process to produce disproportionated rosin based emulsifier for emulsion polymerization |
July 11, 2000 |
| A process for disproportionating rosins using iodide catalysts. In one embodiment, a tall oil rosin is heated in the presence of a lithium iodide catalyst. In another embodiment, a catalyst system is formed from a mixture of lithium iodide and ferrous iodide. The mixed catalyst system |
| 6084021 |
Modified urea-formaldehyde binder for making fiber mats |
July 4, 2000 |
| An aqueous binder composition containing a urea-formaldehyde resin modified with a water-soluble styrene-maleic anhydride copolymer is used in the preparation of fiber mats. |
| 6028133 |
Phenolic resins compatible with wax emulsions |
February 22, 2000 |
| A phenolic resin modified with an alkali salt of sulfite or bisulfite in order to provide compatibility with a wax emulsion sizing agent, an adhesive prepared from the phenolic resin and wax emulsion, and the use of the adhesive in making bonded composites such as wood products, includin |
| 6001925 |
Melamine-formaldehyde resins modified with dicyandiamide and sorbitol for impregnation of substr |
December 14, 1999 |
| Modified melamine-formaldehyde resins prepared by reacting melamine with formaldehyde at a F:M molar ratio in the range of about 1.55:1-2.5:1 under alkaline conditions, wherein the resin is prepared in the presence of about 1-10 wt % dicyandiamide and about 1-10 wt % sorbitol based on th |
| 5962603 |
Intumescent composition and method |
October 5, 1999 |
| An aqueous composition containing an acid-hardenable melamine-formaldehyde resin and a nitrogen-containing acidic phosphorus curing agent made from either phosphoric acid or phosphorous acid which is curable to an intumescent composition. |
| 5955144 |
Well treatment fluid compatible self-consolidation particles |
September 21, 1999 |
| An improved resin coated particle comprises a particulate substrate, an inner coating of a curable resin and an outer coating of a substantially cured resin. These improved resin coated particles are produced by first coating the substrate with a reactive resin. A second or outer coating |
| 5948734 |
Well treatment fluid compatible self-consolidating particles |
September 7, 1999 |
| An improved resin coated particle comprises a particulate substrate, an inner coating of a curable resin and an outer coating of a substantially cured resin. These improved resin coated particles are produced by first coating the substrate with a reactive resin. A second or outer coating |
| 5914365 |
Modified urea-formaldehyde binder for making fiber mats |
June 22, 1999 |
| An aqueous binder composition containing a urea-formaldehyde resin modified with a water-soluble styrene-maleic anhydride copolymer is used in the preparation of fiber mats. |
| 5889137 |
Phenolic polymers made by aralkylation reactions |
March 30, 1999 |
| The present invention is directed to the formation of phenol alkylation polymers which release negligible phenol and formaldehyde emissions. The phenol aralkylation polymers of the present invention are derived from a phenolic monomer, at least one styrene derivative and an aryl diolefin |
