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

Icon_funbox Famous Patents

The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.

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 549/215 - Oxirane ring containing


Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain a three-membered ring consisting
No. of patents: 211
Last issue date: 10/18/2011


1            
NumberTitleIssue Date
8039646Process for preparing glycidyloxyalkyltrialkoxysilanes
The present invention relates to a process for preparing glycidyloxy-alkylalkoxysilanes of the general formula (I) (R″)O—CnH2nSi(R′)m(OR)3-m(I) in which R and R′ groups are each independently linear or branched alk...
10/18/2011
7968735Light-emitting biomarker
The invention concerns novel 1,2-dioxetane derivatives of general formula (I) as defined in the description, capable of emitting a detectable luminescent signal, their use in a method for detecting and/or quantizing a physical, chemical or biological, in particular ...
06/28/2011
7534901Siloxane monomers and oligomers
A process for preparing α, ω-functional siloxane compounds in a purity of greater than or equal to 90% includes contacting a monohydrosiloxane compound of formula 1 with oxygen in the presence of a platinum group catalyst...
05/19/2009
7326761Selective hydrosilylation method and product
An asymmetric siloxane is made by reacting a silicone having the formula MHDxM′H where MH is R1R2HSiO1/2, M′H is R4R5HSiO1/2 and x is an inte...
02/05/2008
7288283UV-absorbing coatings and methods of making the same
Methods of forming UV-absorbent transparent coatings and transparent substrates coated with the same allow for a relatively lower temperature cross-linkage reaction between a UV-absorbent compound and an epoxy-alkoxysilane. More specifically, UV-absorbent coatings o...
10/30/2007
7259220Selective hydrosilylation method
An asymmetric siloxane is made by reacting a silicone having the formula MHDxM′H where MH is R1R2HSiO1/2, M′H is R4R5HSiO1/2 and x is an inte...
08/21/2007
7232817α- and β-amino acid hydroxyethlamino sulfonyl urea derivatives useful as retroviral protease inhibitors
α- and β-amino acid hydroxyethylamino sulfonyl urea derivative compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. ...
06/19/2007
7205050Low shear adhesion RTV silicone
An RTV seal forming silicone composition has a silicone base material that includes a lipophilic secondary phase insoluble in the silicone base material upon cure thereof. The resulting silicone has a shear adhesion strength as measured by transverse displacement of...
04/17/2007
7205373Enzyme catalyzed organosilicon esters and amides
Methods for forming organosilicon esters and amides are provided. Additionally, organosilicon esters and amides are provided. The organosilicon esters and amides may be formed by contacting a hydrolase enzyme with an organosilicon reactant and an organic reactant. T...
04/17/2007
7205372Functionalization of silicones and anti-adhesive coatings made therefrom
Organosilicon compounds having at least one ≡SiH unit per molecule are functionalized via heterogeneous catalysis into, for example, epoxidized POS by hydrosilylation between an ethylenically unsaturated epoxide such as VCMX and a hydrogenated POS of the MDD′M t...
04/17/2007
7202258α- and β-amino acid hydroxyethylamino sulfamic acid derivatives useful as retroviral protease inhibitors
Certain Alpha- and Beta-amino acid hydroxyethylamino sulfamic acid derivatives represented by the following formula are useful as retroviral protease inhibitors: ...
04/10/2007
7157518Method for preparing an organo-silicon sol and materials obtained from such a sol
The method consists in hydrolysing an initial volume Vse of a precursor material comprising at least one polyalkoxysilane with a quantity of water such that x ⁢ ...
01/02/2007
7118621Organo-functional polysiloxanes
The present invention relates to an organo-functional polysiloxane of formula (1) wherein each R1 is independently selected from alkyl or aryl radicals, each R2 is independently selected from hydrogen, alkyl or aryl radicals, n is selected so t...
10/10/2006
7115651Macrocycles and uses thereof
The present invention relates to compounds having the structure (and pharmaceutically acceptable derivatives thereof) wherein R0–R4, Z, X, A—B, D—E, G—J, and...
10/03/2006
7098346Methods and compounds for making coatings, waveguides and other optical devices
A compound of the general formula: R1R2R4MR5, wherein R1, R2 and R4 are independently an aryl, alkyl, alkenyl or alkynyl group, wherein at least one of R1, R2 and R
08/29/2006
7091219Bis-sulfonamide hydroxyethyl-amino retroviral protease inhibitors
Bis-sulfonamido hydroxyethylamino compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to retroviral protease inhibiting compounds of the formula:
08/15/2006
7084492Underfill and mold compounds including siloxane-based aromatic diamines
An apparatus including a first substrate comprising a first set of contact points; a second substrate including a second set of contact points coupled to the first substrate through interconnections between a portion of the first set of contact points a portion of t...
08/01/2006
7045518Sulfonylalkanoylamino hydroxyethylamino sulfonamide retroviral protease inhibitors
Selected sulfonylalkanoylamino hydroxyethylamine sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particularly, rela...
05/16/2006
7038001Method for preparing silicone oils by hydrosilylation with polyorganohydrogenosiloxanes and units containing at least one hydrocarbon ring including an oxygen atom, in the presence of a heterogeneous catalytic composition
The subject-matter of the invention is a process for the preparation of silicone oils which are weakly colored and low in turbidity by hydrosilylation of polyorganohydrosiloxanes with different or identical synthons comprising at least one hydrocarbon-comprising rin...
05/02/2006
7038084Succinoylamino hydroxyethylamino sulfonamides useful as retroviral protease inhibitors
Succinoylamino hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. ...
05/02/2006
7037941Alpha-and Beta-amino acid hydroxyethylamino sulfamic acid derivatives useful as retroviral protease inhibitors
Certain Alpha- and Beta-amino acid hydroxyethylamino sulfamic acid derivatives represented by the following formula are useful as retroviral protease inhibitors: ...
05/02/2006
7034089Epoxy-functional hybrid copolymers
Versatile synthetic methodology has been established for the production of a variety of siloxane and silane-containing radial epoxy resins and intermediates. This chemical approach has been exploited to obtain a variety of hybrid organic/inorganic materials that can...
04/25/2006
7030161α-and β-amino acid hydroxyethylamino sulfonyl urea derivatives useful as retroviral protease inhibitors
α- and β-amino acid hydroxyethylamino sulfonyl urea derivative compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. ...
04/18/2006
7022864Ethyleneoxide-silane and bridged silane precursors for forming low k films
An organosilicon precursor for vapor deposition, e.g., low pressure (
04/04/2006
6974876Method for preparing intermediates useful in synthesis of retroviral protease inhibitors
A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde. ...
12/13/2005
6951886Succinoylamino hydroxyethylamino sulfonyl urea derivatives useful as retroviral protease inhibitors
Succinoylamino hydroxyethylamino sulfonyl urea derivatives of the formula: wherein the substituents are as defined in the specification, are effective as retroviral protease inhibitors and in particular as inhibitors o...
10/04/2005
6924286α- and β-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors
α- and β-amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. ...
08/02/2005
6784300Holographic storage medium comprising polyfunctional epoxy monomers capable of undergoing cationic polymerization
Disclosed is a holographic recording medium. The novel holographic recording mediums disclosed herein comprises: a) at least one polyfunctional epoxide monomer or oligomer which undergoes acid initiated cationic polymerization. Each epoxide in the monomer or oligome...
08/31/2004
6743883Initiator for polymerizing and/or cross-linking polyorganosiloxanes with cross-linkable functional groups, corresponding compositions and their uses
The invention relates to a heat-activated initiator for polymerising and/or cross-linking polyorganosiloxane-type monomers, oligomers and/or polymers with organofunctional groups, comprising a boron derivative of formula (I): (A)xB(R′)y, wher...
06/01/2004
6624237Method for preparing an organo-silicon sol and materials obtained from such sol
The method consists in hydrolyzing an initial volume Vsi of a precursor material comprising at least one polyalkoxysilane with a quantity of water such that ##EQU1## where x H2 O and x Si represent the number of moles of H2 O and ...
09/23/2003
6610778Fluorosilicone rubber compositions
In a fluorosilicone rubber composition comprising (A) an organopolysiloxane having trifluoropropyl and (B) a silica filler, there are included (C) an organic peroxide of percarbonate type as a crosslinking agent and (D) a compound having a molecular weigh...
08/26/2003
6590018Vinyl silane compounds containing epoxy functionality
Compounds containing vinyl silane and epoxy functionality can be used as adhesion promoters or the main resin in curable compositions....
07/08/2003
6586613Substituted tetrahydronaphthaline and analogous compounds
Substituted tetrahydro-naphthalenes and analogous compounds are prepared by reducing or condensing appropriate functional substituents in substituted tetrahydro-naphthalenes and analogous compounds by customary methods and converting functional groups in ...
07/01/2003
6566443Room temperature curable silicone rubber composition
A nonsagging and extrudable room temperature curable silicone rubber composition with excellent adherence to a variety of substrates comprising (A) diorganopolysiloxane having silicon-bonded alkoxy in molecular chain terminal position, (B) surface-hydrophobici...
05/20/2003
6465671Silane coupling agent and method for preparing the same
Disclosed herein are a silane coupling agent and a method of preparing the same useful for a composite organic-inorganic material. The silane coupling agent is represented by the formula of R1 R2 R3 Si--X, wherein R1
10/15/2002
6425600Silicone rubber composition for coating air bags
Silicone rubber compositions comprising (A) an organopolysiloxane having at least two silicon-bonded alkenyl groups, (B) finely divided silica, (C) an adhesive component, (D) a silicone-soluble organopolysiloxane resin component bearing at least one alken...
07/30/2002
6420037Silicone rubber based coating composition for air bags
A silicone rubber based coating composition for air bags comprising about 0.1 to 50 wt % of spherical powder with an average particle size of about 10 μm to 300 μm....
07/16/2002
6414175Innovative siloxane block copolymers with rigid spacers and their use
The invention relates to block copolymers of the general average formula ##STR1## with siloxane blocks which are linked via rigid spacers, and to their use as surface-active agents....
07/02/2002
6403227Aminosilane coating composition, process, and coated articles
An improved coating comprising a coating on a substrate is described. The coating comprises a crosslinked polymeric material derived from an alkine-bridged bis-(aminosilane) or comprising a mixture of the alkine-bridged bis-(amino-silane) and an epoxysila...
06/11/2002
6402961Process for preparing epoxysilanes
A process for preparing epoxysilanes by reacting a hydrogensilane with an allyl glycidyl ether in the presence of a catalyst and working up the crude product obtained, where the catalyst is removed from the crude product and the crude product is subsequen...
06/11/2002
1            
 
Sign InRegister
Username  
Password   
forgot password?