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

Icon_funbox Did You Know...

...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.

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 524/728 - (C=O)N


Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the nitrogen containing organic compound
No. of patents: 98
Last issue date: 09/02/2008


1      
NumberTitleIssue Date
7419703Thermally curable, thixotropic blends containing carbamate and/or allophanate groups
The invention provides heat-curable thixotropic mixtures containing carbamate and/or allophanate groups, including at least one oligomer and/or polymer containing at least one of carbamate and allophanate groups, and at least one thixotropic agent that is a urea der...
09/02/2008
7250448Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC...
07/31/2007
7247604Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system
A temperature-stable, non eco-toxic oil-base well fluid that is particularly suitable for high pressure/high temperature drilling comprises an emulsification system comprising at least one superamide that may or may not be polyalkoxylated, optionally associated with...
07/24/2007
7214384Lipid-conjugated polyamide compounds
In accordance with the present invention, there are provided lipid-conjugated polyamide compounds and related compositions and methods thereof. Lipid-conjugated polyamide compounds of the present invention are particularly useful as vehicles for delivering biologica...
05/08/2007
7019042Thixotropic agent that can be activated using actinic radiation, a method for its production and the use thereof
A novel thixotropic agent comprising urea crystals which comprises at least one compound containing at least one functional group having at least one bond which can be activated with actinic radiation; a novel process for preparing a thixotropic agent comprising ure...
03/28/2006
7005480Resin dispersions having uniform particle diameters, resin particles and processes for producing both
The present invention provides a method of producing an aqueous dispersion. A resin (b) or a solvent solution thereof, or a precursor (b0) of the resin (b) or a solvent solution thereof is dispersed in an aqueous dispersion of resin particles (A) composed of resin (...
02/28/2006
6982092Method of complexing a nucleic acid with a lipid-conjugated polyamide
In accordance with the present invention, there are provided lipid-conjugated polyamide compounds and related compositions and methods thereof. Lipid-conjugated polyamide compounds of the present invention are particularly useful as vehicles for delivering biologica...
01/03/2006
6956074Polyurethane composition
There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that (A) a hindered phenol antioxidan...
10/18/2005
6797771Aqueous composition that can be hardened physically, thermally or thermally and with actinic radiation and the derivatives and production thereof
The invention concerns a novel aqueous composition that can be hardened physically, thermally and/or with actinic radiation, containing a compound of general formula (I): X[NH—C(═O)—NH—Y—NH—C(═O)—OR]2 having at least one urea and urethane group, wher...
09/28/2004
6642305Thixotropic amino formaldehyde resin
A thixotropic amino formaldehyde resin with a urea-functional compound, obtainable by adding a polyisocyanate-functional compound to a monoamine-functional compound or a monoisocyanate-functional compound to a polyamine-functional compound in the presence...
11/04/2003
6572881Lipid-conjugated polyamide compounds and related compositions and methods thereof
In accordance with the present invention, there are provided lipid-conjugated polyamide compounds and related compositions and methods thereof. Lipid-conjugated polyamide compounds of the present invention are particularly useful as vehicles for deliverin...
06/03/2003
6569450Lipid-conjugated polyamide compounds and related compositions and methods thereof
In accordance with the present invention, there are provided lipid-conjugated polyamide compounds and related compositions and methods thereof. Lipid-conjugated polyamide compounds of the present invention are particularly useful as vehicles for deliverin...
05/27/2003
6559264Malonic acid ester/triazole mixed blocked HDI trimer/formaldehyde stabilization
The present invention relates to blocked polyisocyanate crosslinking agents, to the production thereof and to the use thereof in single-component stoving lacquers, particularly OEM clear lacquers (original equipment material, initial lacquer coating)....
05/06/2003
6495627Conductive composition for biological electrode
A conductive composition for a biological electrode is capable of reducing the impedance between the electrode and the skin. A conductive gel composition for a biological electrode which is capable of electrically and physically connecting a living body t...
12/17/2002
6414080Inverse emulsion polymer and production thereof
Disclosed herein is an inverse emulsion polymer composition comprising a copolymer or copolymer salt of N,N,-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or acid salts thereof, having a Brookfield viscosity of less than 20,000 Cps at ...
07/02/2002
6376592Water dispersion type water and oil repellent composition
A water dispersion type water and oil repellent composition obtained by polymerizing the following polymerizable monomer mixture (b) in the presence of a compound (a) having a blocked isocyanate group and no polymerizable unsaturated group: (b) a mixture ...
04/23/2002
6268457Spin-on glass anti-reflective coatings for photolithography
Anti-reflective coating materials for deep ultraviolet photolithography include one or more organic dyes incorporated into spin-on-glass materials. Suitable dyes are strongly absorbing over wavelength ranges around wavelengths less than 260 nm such as 248...
07/31/2001
6251990Silicone rubber compositions having high-voltage electrical insulation, sealing and repairing compounds for polymeric insulators
A thixotropic silicone rubber composition comprising (A) an organopolysiloxane having on the average at least two alkenyl groups in a molecule and a degree of polymerization of up to 1,200, (B) a liquid organohydrogenpolysiloxane having at least two hydro...
06/26/2001
6242530Stabilized blocked isocyanates and their use in polyurethane stoving lacquers
The present invention relates to (cyclo)aliphatic polyisocyanates which have a content of blocked and unblocked isocyanate groups (calculated a NCO) of 5 to 25 wt. %, in which at least 95% of the isocyanate groups are present in a form blocked with blocki...
06/05/2001
6225389Screen coating composition and method for applying same
A substantially water-free, water-washable, energy-curable composition includes an epoxy oligomer and/or urethane oligomer having at least two ethylenically unsaturated moieties, at least one alkoxylated polyol monomer having at least two ethylenically un...
05/01/2001
6197332Lipid-conjugated polyamide compounds and related compositions and methods thereof
In accordance with the present invention, there are provided lipid-conjugated polyamide compounds and related compositions and methods thereof. Lipid-conjugated polyamide compounds of the present invention are particularly useful as vehicles for deliverin...
03/06/2001
6013731Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production
Stabilizer precursors and preformed stabilizers having induced unsaturation, and prepared from low intrinsic unsaturation-containing polyoxyalkylene polyether polyols may be used to form polymer polyols of higher solids content, lower viscosity, and super...
01/11/2000
5977398Viscosity conditioner
A viscosity conditioner is disclosed which is comprised of a compound represented by the following formula ##STR1## where R1 to R3 each are hydrocarbyl groups which may be identical or different, m ranges from 2 to 4, and n rang...
11/02/1999
5961878Amine-blocked polyisocyanates and their use in one-component stoving compositions
The invention relates to non-crystallising, amine-blocked polyisocyanates, to the preparation thereof and to their in one-component polyurethane stoving compositions, in particular for coil-coating applications....
10/05/1999
5908891Dispersible silicone compositions
The present invention relates to a dispersible silicone composition comprising (I) a silicone composition prepared by reacting (i) a polyorganosiloxane, (ii) a silicon compound, optionally (iii) a finely divided filler, and (iv) a catalytic amount of a co...
06/01/1999
5817732Blocked polyisocyanate and coating composition
A thermally dissociative blocked polyisocyanate, wherein an isocyanate group of the polyisocyanate is protected with a thermally dissociative blocking agent, which polyisocyanate is a urethane-modified isocyanurate polyisocyanate, (1) that is obtained by ...
10/06/1998
5811506Extrudable thermoplastic elastomeric urea-extended polyurethane
An extrudable urea-extended thermoplastic polyurethane elastomer is formed from at least one aliphatic diisocyanate, at least one polyester glycol or polyether glycol, and at least one diamine curing agent. At least one second diamine curing agent and/or ...
09/22/1998
5807922Multifunctional surface active agents, syntheses and applications thereof
Novel organosilane derivatized long-chain compounds containing halosilane and hydroxysilane groups are disclosed and claimed. A process for the syntheses of these novel compositions is also disclosed, which involves simple one-pot hydrosilylation reaction...
09/15/1998
5804648Toluene diisocyanate residue-based compositions and the use of such compositions as fillers for hydroxyl compounds
A TDI residue generated from the phosgenation of toluene diamine having an ortho-isomer content of less than 0.5% is used to produce a urethane-filled hydroxyl compound. The TDI residues useful in this invention must contain at least 10% monomeric TDI and...
09/08/1998
5753749Dicyclohexylmethane diisocyanate residue-based compositions and the use of such compositions as fillers
Urethane-filled compositions are produced by reacting a dicyclohexylmethane diisocyanate residue or a dicyclohexylmethane diisocyanate residue containing mixture with a monofunctional alcohol containing at least one ether group in an amount such that the ...
05/19/1998
5753750Toluene diisocyanate residue-based compositions as fillers for polyisocyanates
TDI residue-based urethane-filled isocyanate compositions are produced by reacting a TDI residue satisfying specified criteria with a monofunctional alcohol in amounts such that the equivalent ratio of isocyanate groups to hydroxyl groups is from about 0....
05/19/1998
5744543One-component reactive adhesive
Described is a single-component adhesive made from a radical-polymerized olefinically unsaturated monomer and an air-activated initiator system and characterized in that the adhesive also contains isocyanate and/or silane groups. This makes a dual curing ...
04/28/1998
5739207Hexamethylene diisocyanate residue-based compositions as fillers for polyisocyanates
Urethane-filled polyisocyanates are produced by (a) reacting a hexamethylene diisocyanate-containing residue having less than 10% by weight monomeric hexamethylene diisocyanate and a total NCO content of at least 25% with an alcohol containing at least on...
04/14/1998
5719229Process for preparing solid elastomeric polyurethanes having reduced surface skinning
This invention relates to solid elastomeric polyurethanes prepared by reacting, in an open mold at an isocyanate index of 80 to 120, (a) an isocyanate prepolymer having an isocyanate content of 3 to 15% by weight and a number average molecular weight of 550 to...
02/17/1998
5648412Blow-moldable rigid thermoplastic polyurethane resins
A rigid thermoplastic polyurethane with improved melt strength can be prepared by deactivating the catalyst for the polymer subsequent to the onset of urethane bond formation. Catalyst deactivation is accomplished either with a latent deactivator for the ...
07/15/1997
5376713Low setting water-in-oil emulsions
Stable, water-in-oil emulsions are prepared wherein the aqueous phase thereof contains a water-soluble polymer and the oil phase thereof contains a partially esterified lower N,N-dialkanol fatty amine emulsifier by the emulsion polymerization of water-sol...
12/27/1994
5342867Adhesion promoters
The present invention provides an adhesive composition comprising a polyurethane resin and, as adhesion promoter, a compound of formula I: ##STR1## in which Z is an organic radical which is derived from an aliphatic aromatic or heterocyclic polyisocy...
08/30/1994
5326845Moisture curable silicone-urethane copolymer sealants
A moisture curable, one-part sealant composition comprising a silicone-urethane copolymer is provided. The copolymer is prepared via reaction of an alpha, omega hydroxy terminated siloxane having a molecular weight of 5,000 or less with a polyisocyanate. ...
07/05/1994
5326816Room temperature curable silicone composition
A room temperature curable silicone composition comprising (A) an organopolysilethylenesiloxane represented by the following general formula (1): ##STR1## wherein R1 to R4 each represent a monovalent hydrocarbon group having 1 ...
07/05/1994
5292778Polymer-modified polyol dispersions and processes for production and use thereof
A polymer-modified polyol dispersion comprises a polyaddition product dispersed in a polyol. The polyaddition product is present in an amount of from about 25 to about 70 percent by weight based on the total weight of the polyaddition product and the poly...
03/08/1994
1      
 
Sign InRegister
Username  
Password   
forgot password?