Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 521/130
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water > Ingredient contains a carbon atom double bonded to oxygen, e.g., carboxylic acid, etc.
Description: Subject matter wherein the stated ingredient contains a group, e.g., carbonates, CO2










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8686058 Natural resource based viscoelastic foams Apr. 1, 2014
8673991 Two-part curable polyurethane foam resin composition, molded article using the same, and shoe sole Mar. 18, 2014
8658708 Foam-forming compositions containing azeotropic or azeotrope-like mixtures containing Z-1,1,1,4,4,4-hexafluoro-2-butene and methyl formate and their uses in the preparation of polyisocyanate-b Feb. 25, 2014
8642670 Coarse-cell polyurethane elastomers Feb. 4, 2014
8637584 Polyester polyol-containing polyurethane systems having improved hydrolytic stability Jan. 28, 2014
8623933 Process for producing polyether polyol and process for producing rigid foamed synthetic resin using same Jan. 7, 2014
8604091 Non-isocyanate spray foam Dec. 10, 2013
8580864 Trimer catalysts with improved processability and surface cure Nov. 12, 2013
8552077 Trimer catalyst additives for improving foam processability Oct. 8, 2013
8541479 Low resilience flexible polyurethane foam and process for its production Sep. 24, 2013
8541478 Rigid polyurethane foam and system and method for making the same Sep. 24, 2013
8530533 Water-blown rigid foams for the insulation of liquefied natural gas tanks Sep. 10, 2013
8530534 Trimerization catalysts from sterically hindered salts Sep. 10, 2013
8513318 Method for producing a rigid polyurethane foam Aug. 20, 2013
8501828 Cure rebond binder Aug. 6, 2013
8481605 Rigid polyurethane foam and system and method for making the same Jul. 9, 2013
8476329 Bioresin composition for use in forming a rigid polyurethane foam article Jul. 2, 2013
8470902 Continuous pore elastomer and process for producing the same, and water-absorbing roller and swab Jun. 25, 2013
8466207 Method for providing a low density high strength polyurethane foam Jun. 18, 2013
8461454 Aqueous absorptive polymer-containing resin composition-producing method, aqueous absorptive polymer-containing resin composition, and porous substance-producing method using same and porous s Jun. 11, 2013
8445555 Stabilized carbanions as trimerization catalysts May. 21, 2013
8445556 Cellular elastomer compositions May. 21, 2013
8426482 Method for producing viscoelastic polyurethane flexible foams Apr. 23, 2013
8394868 Polyol prepolymers of natural oil based polyols Mar. 12, 2013
8372893 Polyurethane foam Feb. 12, 2013
8372892 Attached, high reactivity rigid polyurethane foams Feb. 12, 2013
8349908 Foamed materials comprising a matrix having a high highblock content and process for preparing them Jan. 8, 2013
8329770 Silicon-containing foams Dec. 11, 2012
8324289 Flexible polyurethane foam, process for its production, and seat for automobile Dec. 4, 2012
8318827 Insect resistant polyurethane foam Nov. 27, 2012
8318826 Ortho-cyclohexanediamine-initiated polyols and rigid polyurethane foam made therefrom Nov. 27, 2012
8318822 Vibration damping and sound absorbing material and production process thereof Nov. 27, 2012
8318821 Rigid foamed synthetic resin and process for its production Nov. 27, 2012
8299138 Process for producing flexible polyurethane foam Oct. 30, 2012
8293807 Method for the production of rigid polyurethane foam Oct. 23, 2012
8258196 Method for producing rigid polyurethane foam, and rigid polyurethane foam Sep. 4, 2012
8247467 Process for producing flexible polyurethane foams Aug. 21, 2012
8242184 Process for producing flexible polyurethane foam Aug. 14, 2012
8236866 High resilience foams Aug. 7, 2012
8236868 Process for producing polyurethane elastomer foams Aug. 7, 2012
8222311 Hydroxyalkylated polyalkylenepolyamine composition, method of producing the same and their use in polyurethanes Jul. 17, 2012
8217093 Two-component polyurethane / vinyl ester hybrid foam system and its use as a flame retardant material and material for filling openings in buildings with foam Jul. 10, 2012
8217092 Multicomponent polyurethane/vinyl ester hybrid foam system and its use Jul. 10, 2012
8183302 Visco-elastic polyurethane foam with castor oil May. 22, 2012
8178591 Carbon dioxide blown low density, flexible microcellular polyurethane elastomers May. 15, 2012
8173719 Polyurethane foam, method for the production and use thereof May. 8, 2012
8158692 Polyurethane foam for steering wheel having improved water resistance Apr. 17, 2012
8148440 Process for making rigid urethane-modified polyisocyanurate foams Apr. 3, 2012
8148441 Polishing pad and manufacturing method thereof Apr. 3, 2012
8148437 Integral polyurethane foams comprising dialkyl cyclohexanedicarboxylates as internal mold release agent Apr. 3, 2012

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
  Recently Added Patents
All-in-one information handling system
Solid-state imaging apparatus, method of manufacturing solid-state imaging apparatus, and electronic apparatus
Methods and systems for identifying and changing resolutions to cause an aspect ratio of a printed image to match an aspect ratio of image data
Bisphosphonate compounds
Imaging device
Hydrogen generation device and fuel cell system
Assembly for providing an aligned stack of two or more modules and a lithography system or a microscopy system comprising such an assembly
  Randomly Featured Patents
Striated belt, its manufacturing method and the associated drive system
Data telecommunication system
Chainsaw attachment
Plate lock-up mechanism for printing presses
Apparatus for the feeding of individual pieces of timber from a mat of a plurality of timber pieces
Network verification system
Electric sauna stove
Developing member
A/D conversion circuit and electronic instrument
Kimchi refrigerator