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Class 528/245 - From glyoxal or compound having two or more -C(=O)-H groups per se


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein at least one aldehyde is glyoxal
No. of patents: 128
Last issue date: 04/08/2008


1        
NumberTitleIssue Date
7354987Nitrogen-containing compound, the preparation thereof and application in amino-aldehyde resins
The invention relates to a compound of formula I: where: X is equal to NR5; R4 is equal to a C1-C12 alkyl group, aryl group, aralkyl group or cycloalkyl group. R
04/08/2008
7199209Nitrogen-containing compound, the preparation thereof and application in amino-aldehyde resins
The invention relates to a compound of formula I: where: X is equal to NR5; R4 is equal to a C1–C12 alkyl group, a...
04/03/2007
7196156Flexibilized resorcinolic novolak resins and method of making same
A flexibilized resorcinolic novolak resin is prepared by reacting a phenolic compound, such as resorcinol, with an unsaturated dihydroxy, an unsaturated aldehyde, an aliphatic dialdehyde, or a mixture thereof. An aldehyde (different from the unsaturated aldehyde and...
03/27/2007
7029553Urea sulfate and urea hydrochloride in paper and pulp processing
The present invention relates to the use of urea sulfate or urea hydrochloride, or both, in process streams in the paper and pulping industries to control pH, to bring about flocculation or precipitation of various materials, and to replace all or part of the sulfur...
04/18/2006
6949291Twisted polymers, uses thereof and processes for the preparation of statistical copolymers
The invention relates to optical devices comprising a substrate and at least one semiconductive polymer supported by said substrate, wherein said semiconductive polymer is a copolymer in which one of the repeat units is a group of formula (I) or a homopolymer in whi...
09/27/2005
6818729Thermosetting resin and method for producing the same
This invention provides a thermosetting resin and a method for producing the same, in which 5% to 95% by weight of an aminoplast resin and 5% to 95% by weight of a polyalkylene glycol are subjected to a condensation reaction under alkaline conditions, the resulting ...
11/16/2004
6514439Acid-triggered microcapsules
Microcapsules of a microcapsule formed of a polyurea shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall comprising at least one oligomeric acetal having the moiety ##STR1## in which R is (a) a moiety containing a c...
02/04/2003
6426393Polyacetal copolymer and method for producing the same
To provide polyacetal which has excellent shock resistance, rigidity and creep resistance as essential properties of the polymer and makes a high flowability and an excellent molding property upon molding possible by improving the thermal stability. In th...
07/30/2002
6388049Low-molecular weight oxymethylene polymer and composition thereof
A low-molecular-weight oxymethylene polymer characterized by having a straight-chain molecular structure, a number-average molecular weight of 1,000 to 8,000 and a molecular weight distribution (Mw/Mn) of 1.0 to 3.0, and containing 0 to 30 mol % of a co-m...
05/14/2002
6379800Glyoxal-phenolic condensates with enhanced fluorescence
Glyoxal-phenolic condensates, epoxidized products thereof, as well as their method of manufacture are disclosed. The condensates and epoxidized products have exceptionally high fluorescence as well as good ultraviolet absorbance. There is also disclosed c...
04/30/2002
6337130Acid-triggered release microcapsules
Microcapsules of a microcapsule formed of a polyurea shell wall and an encapsulated ingredient or ingredients enclosed within the wall, the wall comprising at least one oligomeric acetal having the moiety ##STR1## in which R is (a) a moiety containing a c...
01/08/2002
6316583Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic produ...
11/13/2001
6239248Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation, polyphenolic products, epoxidized derivatives and compositions thereof as well as laminates containing fluo...
05/29/2001
6232399Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic produ...
05/15/2001
6201095Color improvement of DME-melamine resins
A process is described for preparing a dialkoxyethanal-amine derivative resin low in color by adding low amounts of formaldehyde to the reactants before acidification and heating. The reaction product is also claimed. The composition is useful in a variet...
03/13/2001
6201094Phenol-novolacs with improved optical properties
The specification discloses epoxidized products and compositions of a polyphenol of a phenol and glyoxal wherein the polyphenol prior to epoxidation has an ultraviolet (UV) absorbance of at lest 0.260 at 365 nanometers (nm) and/or at least 0.400 at 350 nm...
03/13/2001
6140456Chemicals and processes for making fluorinated poly(para-xylylenes)
New starting materials and chemical processes will be used to make fluorinated poly(para-xylylenes) (F-PPX) and fluorinated poly(para-fluoroxylylenes) (F-PPFX). The processes will use some very low cost and readily available starting materials, catalysts,...
10/31/2000
6140421Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic produ...
10/31/2000
6136200Treatment for paint and lacquer waste water
A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B
10/24/2000
6031132Amide-group-containing polyacetal and its production process and use
An amide-group-containing polyacetal, having acetal structure unit (1) of general formula (1) below in its molecule. This amide-group-containing polyacetal is usable as a detergent builder for detergent compositions. ##STR1## A production process of ...
02/29/2000
6001950Phenol-novolacs with improved optical properties
The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation as well as polyphenolic products and epoxidized derivatives and compositions thereof. The polyphenolic produ...
12/14/1999
5929195Process for producing branched or crosslinked polyacetal resin
A branched or crosslinked polyacetal resin is excellent in blow moldability, has impact resistances such as plane impact resistance, and the smoothness of the inner surfaces of moldings produced therefrom, and is suitable for molding, particularly blow mo...
07/27/1999
5856288Polyalkylene glycol-polyglyoxylate block copolymer, its production process and use
A new block copolymer, which is excellent with regard to abilities such as dispersibility, chelatability, and scale inhibitability, includes a polyalkylene glycol structural unit and a polyglyoxylate structural unit. This block copolymer, for example, can...
01/05/1999
5844059Process for preparing polyacetal copolymer
To prepare a thermally very stable polyacetal copolymer containing a very small amount of unstable parts in a high yield according to a simple process wherein an isopolyacid or an acid salt thereof is used as the polymerization catalyst in the copolymeriz...
12/01/1998
5830978Resin composition
A resin composition useful as a binder is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C1 to C8 dialkoxyethanal, the reaction product is then reacted with ...
11/03/1998
5739260Hydrophobically modified resin composition for graphics applications
A resin composition useful as a crosslinker for graphics applications is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C1 to C8 dialkoxyethanal, the reactio...
04/14/1998
5728798Process for preparing polyacetal copolymer
In preparing a polyacetal copolymer through copolymerization of trioxane as the principal monomer with a cyclic ether or cyclic formal having at least one carbon-carbon bond as the comonomer, 0.05 to 100 ppm (on the weight basis), based on the total amoun...
03/17/1998
5693743Aminoplastics
The invention relates to aminoplastics, which are created by reacting comnds that contain amide groups with glutaric dialdehyde, and to a process for their preparation and to their use. The aminoplastic according to the invention is free of formaldehyde ...
12/02/1997
5691426Resin composition
A resin composition useful as a binder is provided comprising a mixture of a formaldehyde-based resin with a resin substitute comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with 1 to 2 moles of a...
11/25/1997
5665851Aminoplastic resins and their use as a crosslinking agent for cellulose
Aminoplastic resin based on one or more amino derivatives and one or more aldehydes in which the amino derivative is melamine, glycoluril or their mixture in variable proportions and that the aldehyde is a product of formula (I) R--CHO where R=a dialkoxym...
09/09/1997
5665853Dry strength resin compositions
The tensile strength properties of paper are improved by adding to paper stock a resin composition comprising a water-soluble polymer containing a polyhydric alcohol such as sorbitol in the backbone of the polymeric molecule....
09/09/1997
5567798Repulpable wet strength resins for paper and paperboard
A composition of matter (resin) useful for imparting wet strength to paper products is prepared from a polyamine, a polycarboxylic acid or ester, a dialdehyde and epichlorohydrin. Wet strengthened paper products made using the resin are more easily repulp...
10/22/1996
5552496Aqueous polyurethane resin dispersion, processes for its preparation, and its use in aqueous coating compositions
An aqueous coating composition which is self-drying or is crosslinked by external agents, processes and dispersions for its preparation and its use. The coating composition comprises: I) 40 to 100% by weight of a film-former in the form of an aqueous disp...
09/03/1996
5539077Resin composition
A resin composition useful as a binder is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C1 to C8 dialkoxyethanal, the reaction product is then mixed with a ...
07/23/1996
5437821Process for making carbon-carbon composites by using acetylene terminated conjugated Schiff's base monomers
Carbon-carbon composites of acceptable shrinkage and with negligible voids re prepared in a single casting step from acetylene-terminated Schiff's base monomers by melting a selected monomer, polymerizing it within a mold to form a green casting, and heati...
08/01/1995
5405938Sequence-specific binding polymers for duplex nucleic acids
The present invention describes a polymer composition effective to bind, in a sequence-specific manner to a target sequence of a duplex polynucleotide, at least two different-oriented Watson/Crick base-pairs at selected positions in the target sequence. T...
04/11/1995
5294352Compositions for the detackification of paint spray booth water and waste water
A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B
03/15/1994
5276130Aminoplast resin or aminoplast resin precursor
According to the present invention, a ଲ-dicarbonyl functionality, an ଱,ଲ-unsaturation functionality, or a vinylogous amide functionality is incorporated into an aminoplast resin or an aminoplast resin precursor....
01/04/1994
5270355Paper coating resin and paper coating composition
A paper coated resin has been provided which simultaneousy provides coated papers with improved ink receptivity, water resistance and blister resistance in a good balance. The resin is obtainable by introducing alicyclic amino and/or alicyclic epoxy compo...
12/14/1993
5158611Paper coating composition
A process for producing a resin is disclosed, comprising reacting (a) a polyalkylenepolyamine, (b) an alicyclic dibasic carboxylic acid and/or a reaction product having a free carboxyl group that is obtained by reacting an alicyclic dibasic carboxylic aci...
10/27/1992
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