U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 525/519 - Mixed with carboxylic acid or derivative reactant or polymer therefrom


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a solid polymer or specified intermediate
No. of patents: 146
Last issue date: 09/16/2008


1        
NumberTitleIssue Date
7425594Copolymer of glycidyl ester and/or ether with polyol
A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X ...
09/16/2008
7125606Carboxylic acid modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
A crosslinking agent that is an ungelled reaction product of (a) an aminoplast resin and (b) a carboxylic acid-containing compound wherein the crosslinking agent is essentially free of reactive carboxylic acid groups and has a glass transition temperature of at leas...
10/24/2006
7030263Method of preparing a carbamate- or urea-functional compound
A method of preparing a carbamate or urea-functional compound is described comprising the step of reacting a lactone or hydroxy carboxylic acid with a compound (A) comprising a carbamate or urea group or a group that can be converted to a carbamate or urea group, an...
04/18/2006
6979719Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composition. Further, a process for ...
12/27/2005
6881492Primer composition for polyesters
A composition suitable for forming a primer layer on a polymer sheet comprising: a) polyethyleneimine; b) latex; wherein the latex has a Tg lower than 25° C. and c) a hydrophilic colloid material. A method of coating the composition is also disclosed. ...
04/19/2005
6770329Low-yellowing aqueous clear powder coating dispersions, method of making the dispersions, and process for producing clearcoat finishes with the dispersions
The present invention relates to a process for producing single-coat or multicoat clearcoat finishes on primed or unprimed substrates by applying at least one powder coating dispersion, in particular a powder clearcoat slurry, to the substrate and then curing the re...
08/03/2004
6713182Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
Provided is a crosslinking agent which is the ungelled reaction product of a polyester polyol and an aminotriazine compound having one or less non-alkylated NH bond per triazine ring. The polyester polyol is the reaction product of a cycloaliphatic polyol and a cycl...
03/30/2004
6680358Bonding agent combination for water-proof coatings that are produced by coil coating
The present invention relates to a new liquid, storage-stable coating composition, which is suitable for the production of coatings which have an outstanding resistance to external weathering, and binders thereof which are composed of a hardener component...
01/20/2004
6653411Anti-reflective coating compositions comprising polymerized aminoplasts
Improved anti-reflective coating compositions for use in integrated circuit manufacturing processes and methods of forming these compositions are provided. Broadly, the compositions are formed by heating a solution comprising a compound including specific...
11/25/2003
6646095Process for the manufacture of copolymers of formaldehyde and diphenyl oxide
A process for the manufacture of copolymers of formaldehyde and diphenyl oxide and a carboxylic acid uses and acid with a pKa in the range of 1.2 to 3 as the catalyst....
11/11/2003
6624249Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
A crosslinking agent which is an ungelled reaction product of (a) at least one aminoplast resin, (b) at least one polyfunctional polymer having functional groups reactive with aminoplast resin (a) and having a glass transition temperature of at least 15°...
09/23/2003
6613847Low viscosity liquid crystalline polymer compositions
A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried o...
09/02/2003
6512069Durable refinish coating
Disclosed is a carbamate-functional acrylic polymer having an epsilon-caprolactone moiety beta to a carbamate group and a coating composition containing the acrylic polymer of the invention. The coating composition is particularly useful as a refinish coa...
01/28/2003
6423788Curable coating composition
A curable coating composition is described comprising (A) a carbamate- or urea-functional compound that is the reaction product of a mixture comprising (1) a compound comprising a carbamate or urea group or a group that can be converted to carbamate or urea, a...
07/23/2002
6369183Methods and materials for fabrication of alumoxane polymers
A composition of matter, comprising: a chemically functionalized carboxylate-alumoxane that is functionalized with a chemically reactive substituent, and a reactive compound, wherein the chemically reactive substituent reacts with the reactive compound so...
04/09/2002
6291073Curable coating composition with improved stability
The present invention provides a curable coating composition that includes at least three components. The coating composition includes a component (a) having at least one carbamate group or urea group and having a lactone or hydroxy carboxylic acid moiety...
09/18/2001
6277497Hydroxy-functional oligomers for high solids coatings
A high solids coating composition comprising a branched hydroxy-functional polyester oligomer and a curing agent; and the oligomer itself containing at least 20% by weight of the binder of at least one of the following tertiary acid ester end groups: ...
08/21/2001
6258898Amino resins functionalized with carbamate groups and coating compositions containing the same
A crosslinking agent comprising one or more carbamate groups or groups convertible to carbamate and two or more polyfunctional amino moieties having the formula ##STR1## wherein L is selected from the group consisting of alkyl or aryl, cycloalkyl and...
07/10/2001
6217994Paint compositions and metal sheet coated therewith
This invention provides a paint composition which comprises a film-forming resin component comprising from 65 to 95 parts by weight of a hydroxyl-containing polyester resin (A) having a number average molecular weight of from 1,500 to 35,000, a glass tran...
04/17/2001
6200683Coil coating compositions with low temperature flexibility and improved stain resistance
The invention pertains to compositions which can be coated onto substrates. These compositions include a combination of a resin blend comprising a first polyester resin and a second polyester resin, wherein the first polyester is different from the second...
03/13/2001
6114434Water-dilutable resins, process for preparing them, and their use
Resins AB which are dilutable in water following neutralization and have an acid number of from 25 to 160 mg/g, obtainable by reacting mass fractions, based in each case on the sum of the masses of the solids in the reaction mixture, of A from 30 to 90% o...
09/05/2000
6103826Clearcoat compositions containing phenolic ester compounds
Clearcoat compositions using a phenolic ester compound are described. The phenolic ester compound is selected from the group consisting of a phenolic ester alcohol, a phenolic urethane, a phenolic blocked isocyanate, and mixtures thereof....
08/15/2000
6040009Low solvent content type-resin composition, coating composition containing such resin composition and process for coating such coating composition
The present invention is to provide a low solvent content type-coating composition by which the resultant coatings with good scuff resistance or water resistance as well as good chipping resistance are produced, while the content of an organic solvent to ...
03/21/2000
5976615Carbamate curable coating composition and method for improved adhesion
A curable coating composition is described comprising a carbamate functional material and a crosslinking agent, reactive with the carbamate group. The composition further comprises a third component that is a mixture of catalysts including a phosphorus co...
11/02/1999
5973072Polymeric vehicles which include a phenolic urethane reactive diluent
The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenolic urethane reacti...
10/26/1999
5962582Hydrophilic synthetic resins, esterified for stability to hydrolysis, which are particularly suitable for aqueous systems
Hydrophilic, hydrolytically-stable synthetic resins obtainable by reacting a hydroxyl-functional synthetic resin such as a ketone, ketone/aldehyde and/or urea/aldehyde and/or a hydrogenated product of the hydroxyl-functional synthetic resin thereof with a...
10/05/1999
5962603Intumescent composition and method
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....
10/05/1999
5827930Curable coating composition
A curable coating composition is described comprising (A) a carbamate- or urea-functional compound that is the reaction product of (1) a compound comprising a carbamate or urea group or a group that can be converted to carbamate or urea, and a hydroxyl functio...
10/27/1998
5792810Curable coating composition including compound having carbamate and hydroxyl functionality
A curable coating composition is described comprising (A) a compound comprising carbamate or urea and hydroxyl functional groups that is the reaction product of (1) a compound comprising a carbamate or urea group or a group that can be converted to a carbamate...
08/11/1998
5777048Method for modified aminoplast compounds, aminoplasts obtained thereby and coatings containing the same
A method for reducing the molecular weight of aminoplast compounds, the aminoplast compounds obtained thereby, and coating compositions containing said aminoplast compounds are provided. The reduced molecular weight aminoplasts are obtained by reacting (a...
07/07/1998
5760127Curable coating composition
A curable coating composition is described comprising (A) a carbamate- or urea-functional compound that is the reaction product of a mixture comprising (1) a compound comprising a carbamate or urea group or a group that can be converted to carbamate or urea, a...
06/02/1998
5756213Curable coating composition having carbonate-containing component
A curable coating composition is described comprising (A) a compound comprising a plurality of functional crosslinking groups, at least one of which is a carbamate or urea functional group, which compound also includes at least one carbonate group having the s...
05/26/1998
5681906Thermoset coating compositions having improved hardness
The present invention provides for amino-crosslinkable coating formulations based on a mixture of a di- or polyhydroxy functional polymeric component selected from the group consisting of diesters, polyesters, alkyd polymers, acrylic polymers and polycarb...
10/28/1997
5670585Use of polyacrylic acid and other polymers as additives in fiberglass formaldehyde based binders
A process for preparing binder-coated fiber-glass products employs as a binder aqueous polymer systems comprising a nitrogenous formaldehyde resin such as a urea-extended alkaline phenol/formaldehyde resole together with an acidic polyacrylate which cocur...
09/23/1997
5663233Coating agents and the use thereof in processes for the production of multi-layer coatings
A solvent based coating composition containing a binding agent, the binding agent comprising: (a) 10 to 80 wt.% of at least one hydroxyfunctional polyester formed by reacting a mixture comprising: (i) 10 to 40 mol.% of a 2,2-dialkylalkanediol with two pri...
09/02/1997
5602198Aminoplast cured acid etch resistant coating with good durability
Acid etch resistant coating compositions and their use as clear coats in color-plus-clear composite coatings is disclosed. The compositions comprise acrylic polymers prepared with high levels of cycloaliphatic or aromatic ester of (meth)acrylic acid and h...
02/11/1997
5599884Amino resin dispersion with reduced aldehyde content, process therefor, and paint detackifying process therewith
Amino resins that contain more free formaldehyde than is desirable for health and/or pollution reasons can be treated with a mixture of diketo reagents (or their nitrogen analogs) and other compounds containing amino moieties to reduce the free formaldehy...
02/04/1997
5585438Remeltable thermoset resin
Melamine thermoset resins with low formaldehyde volatiles display a remeltable solid phase, a liquid phase, and a cured solid phase. These resins are formulated from melamine, glycerol as a cross-linker, polyvinyl acetate homopolymer, and sucrose as a for...
12/17/1996
5580931Method of modification of bulk polymers with metal catalyzed ionic polymerization
A method for property modification of bulk polymers, by initially treating a short chain monomeric organic acid, having a carboxylic group (with dissociation constant between 10-2 to 10-6 cm-1, and less than 8 carbons); wi...
12/03/1996
5573828Wrinkle finish powder coating
The use of cyclamic acid as a catalyst for the curing of hydroxyl-functional resins having a functionality greater than 2 provides a wrinkle finish. The hydroxy-function may be present in polyesters, epoxies, and acrylate or methacrylate resins, among oth...
11/12/1996
1        
 
Sign InRegister
Username  
Password   
forgot password?