Unsaturated polyester resin composition
Patent 5773531 Issued on June 30, 1998. Estimated Expiration Date: 
August 29, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 29, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3882189 Radiation curable urethane compositions Method of molding fiber reinforced articles Waterbased methylol (meth)acrylamide acrylic polymer and polyurethane containing coating composition Ethylenically unsaturated isocyanurates having improved adhesion Low-haze ionomers of copolymers of alpha-olefins, carboxylic acid esters, and optional comonomers, and processes for making and acidifying these ionomers Patent #: 5599877 InventorAssigneeApplicationNo. 920697 filed on 08/29/1997US Classes:525/445, Mixed with ethylenically unsaturated reactant or polymer therefrom522/24, Specified rate-affecting material is a peroxide522/29, Specified rate-affecting material is a metal-containing organic compound522/33, Specified rate-affecting material contains a ketone group -c-(CO)n-c-, the (CO)n not being part of a ring522/39, Containing nitrogen522/81, Heavy metal containing DNRM522/93, With polycarboxylic acid or derivative and a polyol, a condensate or solid polymer thereof reactant524/174, Organic compound having at least one metal atom directly bonded to a carbon or hydrogen atom DNRM524/356, Ketone or ketene DNRM, i.e., C(C=O)C or C=C=O524/442, Soil or inorganic silicon DNRM (other than silicon dioxide, glass, quartz, novaculite, or silicon dioxide type)525/11, Mixed in presence of specified material or a polymerizable composition contains a specified material525/13, Specified material contains metal atom other than from group IA metal atom (Li, Na, K, Rb, Cs, Fr)525/17, Material contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt)525/28, Mixed with -N=C=X reactant or polymer derived therefrom (X is chalcogen)525/43, Polymer derived from polycarboxylic acid or anhydride and polyhydroxy compound wherein at least one of the reactants contains ethylenic unsaturation525/437, Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative reactant; or derived from di- or higher ester of a polycarboxylic acid as sole reactant525/440, Mixed with -N=C=X reactant or polymer derived therefrom (X is chalcogen); or wherein solid polymer is derived from a -N=C=X reactant and also a polycarboxylic acid or derivative and a polyhydroxy reactant525/447, Solid polymer derived from polycarboxylic acid or derivative and a polyhydroxy compound derived from reactant containing ethylenic unsaturation528/65, With reactant having two -XH groups528/66, Reactant having two -XH groups contains two or more -C-X-C- groups or two or more carboxylic acid ester groups528/75, Reactant contains at least one ethylenically unsaturated group528/80, With reactant compound containing at least two -C-C(=X)-X-C groups and which compound is devoid of C-NH, C=NH or C-N(H)-H groups528/83, Reactant which contains at least two -C-C(=X)-X-C groups has been derived from only a dicarboxylic acid or derivative and only a dihydric alcohol or alcoholate derivative528/272, From di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereof528/306Ethylenically unsaturated carboxylic acid or derivative of an ethylenically unsaturated carboxylic acidExaminersPrimary: Acquah, Samuel A.Attorney, Agent or FirmInternational ClassC08F 020/00AbstractA modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI, with an hydroxyl-containing acrylate monomer, such as a pentaerythritol triacrylate, which prepolymer composition may contain a styrene monomer and an inhibitor, such as benzoquinone, to retard the reaction of the prepolymer and styrene monomer prior to the addition of the prepolymer composition into the polyester resin composition. The employment of the modified urethane prepolymer composition provides for the reduction in the amount of styrene monomer used in the unsaturated resin composition and also provides for improved chemical and physical properties of the cured, unsaturated resin composition, such as a reduction in glass roll-out when the resin composition is employed with fiberglass.Field of SearchFrom di- or higher ester of a polycarboxylic acid as sole reactant, or from a polycarboxylic acid or derivative with a compound containing two or more hydroxyl groups or salts thereofEthylenically unsaturated carboxylic acid or derivative of an ethylenically unsaturated carboxylic acid With reactant having two -XH groups Reactant having two -XH groups contains two or more -C-X-C- groups or two or more carboxylic acid ester groups Reactant contains at least one ethylenically unsaturated group With reactant compound containing at least two -C-C(=X)-X-C groups and which compound is devoid of C-NH, C=NH or C-N(H)-H groups Reactant which contains at least two -C-C(=X)-X-C groups has been derived from only a dicarboxylic acid or derivative and only a dihydric alcohol or alcoholate derivative Mixed in presence of specified material or a polymerizable composition contains a specified material Specified material contains metal atom other than from group IA metal atom (Li, Na, K, Rb, Cs, Fr) Material contains Group VIII metal atom (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt) Mixed with -N=C=X reactant or polymer derived therefrom (X is chalcogen) Polymer derived from polycarboxylic acid or anhydride and polyhydroxy compound wherein at least one of the reactants contains ethylenic unsaturation Solid polymer derived from polyhydroxy reactant and polycarboxylic acid or derivative reactant; or derived from di- or higher ester of a polycarboxylic acid as sole reactant Mixed with -N=C=X reactant or polymer derived therefrom (X is chalcogen); or wherein solid polymer is derived from a -N=C=X reactant and also a polycarboxylic acid or derivative and a polyhydroxy reactant Mixed with ethylenically unsaturated reactant or polymer therefrom Solid polymer derived from polycarboxylic acid or derivative and a polyhydroxy compound derived from reactant containing ethylenic unsaturation Specified rate-affecting material is a peroxide Specified rate-affecting material is a metal-containing organic compound Specified rate-affecting material contains a ketone group -c-(CO)n-c-, the (CO)n not being part of a ring Containing nitrogen Organic compound having at least one metal atom directly bonded to a carbon or hydrogen atom DNRM Ketone or ketene DNRM, i.e., C(C=O)C or C=C=O Soil or inorganic silicon DNRM (other than silicon dioxide, glass, quartz, novaculite, or silicon dioxide type) | |
