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公开(公告)号：US20210079168A1
公开(公告)日：2021-03-18
申请号：US16883422
申请日：2020-05-26
申请人： Crayola LLC
发明人： Michael L. Spera
摘要： A non- or low-boron putty base includes a crosslinked reaction product of at least one polydiorganosiloxane that has at least two reactive functional groups and at least one crosslinker capable of reacting with the reactive functional groups to form the crosslinked reaction product. The putty base is dilatant and comprises 0 to 0.1 weight percent of a boron-containing compound. Dilatant putties made from the putty base and fillers are also provided. A method of making a dilatant putty includes: providing at least one polydiorganosiloxane comprising at least two reactive functional groups; providing an additive; providing at least one crosslinker capable of reacting with the reactive functional groups; and combining the polydiorganosiloxane, the filler, and the crosslinker to form the dilatant putty having less than 0.1 wt % boron.
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公开(公告)号：US20190077175A1
公开(公告)日：2019-03-14
申请号：US15976181
申请日：2018-05-10
申请人： Crayola LLC
IPC分类号： B41M3/00 , C09D7/63 , C08K5/17 , C08K3/26 , C09D7/61 , C09D7/48 , C08L91/06 , C09D13/00 , C08K3/22
摘要： Writing compositions capable of undergoing a color development when brought into contact with a specific substrate including a color change-inducing compound are provided. Writing instruments comprising such writing compositions are also provided. Application of the writing compositions to surfaces other than the intended substrate will avoid color development and prevent staining of the unintended surfaces. The writing compositions include at least one mineral filler, at least one leuco dye, one or more lipids including one or more waxes, one or more fatty acids, or one or more fatty acid esters or fatty amides, titanium dioxide, and optionally at least one additive.
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公开(公告)号：US20190016877A1
公开(公告)日：2019-01-17
申请号：US15969253
申请日：2018-05-02
申请人： Crayola LLC
摘要： The present invention provides moldable compositions that are capable of resisting slumping and cracking when allowed to dry and harden. Embodiments of the moldable composition comprise water, fillers including arrowroot and kaolin clay, at least one polar polymeric resin (e.g., polyvinyl alcohol), at least one thickening agent (e.g., ammonium pentaborate tetrahydrate), one or more pH adjusters (e.g., triethanolamine, sodium bicarbonate), a humectant (e.g., propylene glycol, glycerin), optionally at least one releasing agent (e.g., mineral oil), and optionally at least one additive.
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公开(公告)号：US11084924B2
公开(公告)日：2021-08-10
申请号：US15969253
申请日：2018-05-02
申请人： Crayola LLC
发明人： Michael G. Moskal , Anthony C. Drago, III , David E. Rowan , Michael L. Spera , Eric Alexander Boschi
摘要： The present invention provides moldable compositions that are capable of resisting slumping and cracking when allowed to dry and harden. Embodiments of the moldable composition comprise water, fillers including arrowroot and kaolin clay, at least one polar polymeric resin (e.g., polyvinyl alcohol), at least one thickening agent (e.g., ammonium pentaborate tetrahydrate), one or more pH adjusters (e.g., triethanolamine, sodium bicarbonate), a humectant (e.g., propylene glycol, glycerin), optionally at least one releasing agent (e.g., mineral oil), and optionally at least one additive.
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公开(公告)号：US10138358B2
公开(公告)日：2018-11-27
申请号：US15248706
申请日：2016-08-26
申请人： Crayola LLC
摘要： The present invention provides moldable compositions that are capable of drying and hardening if left in open air at room temperature for a period of time. Embodiments of the moldable compositions comprise water, at least one polar polymeric resin (e.g., polyvinyl alcohol), at least one thickening agent (e.g., boric acid, borate salt, or hydrate of a borate salt), at least one humectant (e.g., glycerin, propylene glycol, etc.), at least one filler (e.g., corn starch, tapioca, or arrowroot), optionally at least one releasing agent (e.g., mineral oil) and optionally at least one additive.
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