D21J 1/20

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9953744 Electrical insulating paper and stationary induction electrical apparatus using the sameJun 18, 15Apr 24, 18Hitachi, Ltd.
9896807 Acoustical ceiling tileSep 25, 15Feb 20, 18USG INTERIORS, LLC
9297120 Paper-based malleable dough for moulding and sculpting applicationsJul 18, 13Mar 29, 16Not available
8852680 Mineral surfaced asphalt-based roofing products with encapsulated healing agents and methods of producing the sameDec 05, 12Oct 07, 14CERTAINTEED CORPORATION
8734613 Glass fiber enhanced mineral wool based acoustical tileJul 05, 13May 27, 14USG INTERIORS, LLC
5013405 Method of making a low density frothed mineral woolAug 04, 89May 07, 91USG INTERIORS, INC.