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Class Information
Number: 521/127
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 metal atom > Metal atom is part of an organic compound > Organic metal compound contains tin > Tin compound is dibutyl tin dilaurate or stannous octoate
Description: Subject matter wherein the organic tin compound is dibutyl tin dilaurate or stannous octoate.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7078443 Viscoelastic foam layer and composition Jul. 18, 2006
6866803 Mold for use in slip casting method, and method of manufacturing open porous body for use in mold Mar. 15, 2005
6706776 Syntactic foams with improved water resistance, long pot life and short demolding times Mar. 16, 2004
6653361 Flame retardant polyurethane composition and method of manufacture thereof Nov. 25, 2003
6586486 Preparation of low-density hydrophilic flexible polyurethane foams Jul. 1, 2003
6242555 Light-stable elastomeric polyurethane mouldings and process for the production thereof Jun. 5, 2001
6194475 Use of metal salts of ricinoleic acid in producing polyurethane Feb. 27, 2001
6140381 Delayed action catalysts for carpet backing and air frothed foam Oct. 31, 2000
5840779 Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations Nov. 24, 1998
5798533 Polyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability Aug. 25, 1998
5739173 Preparation of flame-resistant soft polyurethane foams of reduced smoke density, and melamine/expandable graphite/polyether-polyol dispersions for this purpose Apr. 14, 1998
5710230 Cycloaliphatic diisocyanate based rim elastomers Jan. 20, 1998
5688834 Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations Nov. 18, 1997
5656677 Method for preparing and applying a sprayable, light stable polyurethane Aug. 12, 1997
5599851 Superfine microelemental biochemical mixture and foamed plastic products thereof Feb. 4, 1997
5585412 Process for preparing flexible CFC-free polyurethane foams using an encapsulated blowing agent Dec. 17, 1996
5514723 Water-blown integral skin polyurethane foams and catalysts useful therein May. 7, 1996
5502150 Linear HDI urethane prepolymers for rim application Mar. 26, 1996
5491174 Process for preparation of polyurethanes utilizing novel catalysts Feb. 13, 1996
5391583 Flame-retardant poly (polyisocyanate-organic phosphorus) products Feb. 21, 1995
5328938 On-site generation of polyurethane foam using an HCFC as a sole blowing agent Jul. 12, 1994
5318996 Rigid insulating polyurethane foams prepared from ternary blowing agent mixtures Jun. 7, 1994
5300532 Integral skin-foam molded article Apr. 5, 1994
5292778 Polymer-modified polyol dispersions and processes for production and use thereof Mar. 8, 1994
5268393 Flame-retardant polyurethane foam produced without additional blowing agents Dec. 7, 1993
5264464 On-site generation of polyurethane foam using an HCFC as a sole blowing agent Nov. 23, 1993
5212209 Compatibilized internal mold release composition for preparations of foamed and fiber-reinforced polymeric articles May. 18, 1993
5196455 Self-leveling sealant composition and method relating thereto Mar. 23, 1993
5182314 Flexible polyurethane foams and process for producing same Jan. 26, 1993
5182034 Internal mold release compositions Jan. 26, 1993
5159048 Isocyanate-reactive compositions Oct. 27, 1992
5114980 Polyurethane integral skin foam of low ozone depletion potential May. 19, 1992
5110840 Flame-retardant polyurethane foam utilizing a phosphorus acid May. 5, 1992
5104909 Water-absorbent, high capacity polyurethane foams Apr. 14, 1992
5075343 Flame-retardant polyurethane foam utilizing boric acid Dec. 24, 1991
5039711 Production of flame-retardant polyol-oxidated silicon-acidic boron emulsion Aug. 13, 1991
5019602 Polyurethane foams, compositions to prepare same and process to prepare same May. 28, 1991
5011647 Internal mold release compositions Apr. 30, 1991
5008033 Internal mold release compositions Apr. 16, 1991
4957944 Urethane catalysts Sep. 18, 1990
4927861 Rigid polyurethane preparation process May. 22, 1990
4895878 Flexible polyurethane foam having a high fire resistance Jan. 23, 1990
4837245 Process for the preparation of non-cellular or cellular polyurethane elastomers in the presence of a polyester polyol containing therein titanium and/or tin compounds as catalysts Jun. 6, 1989
4830883 Polyimide foam precursor and its use in reinforcing open-cell materials May. 16, 1989
4824874 Polyimide foam precursor and its use in reinforcing open-cell materials Apr. 25, 1989
4772639 Process for the production of molded polyurethane parts Sep. 20, 1988
4748192 Aliphatic polyurethane sprayable coating compositions and method of preparation May. 31, 1988
4738989 Aliphatic polyurethane compositions and method of preparation Apr. 19, 1988
4719243 Organosiloxane foams Jan. 12, 1988
4711910 Preparation of fire retardant flexible polyester based polyurethane foams having reduced discoloration and scorch Dec. 8, 1987

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