EP 0901547 A4 20010228 - ASPHALT ROOFING PRODUCTS SURFACED WITH NATURALLY COLORED ROCK GRANULES
Title (en)
ASPHALT ROOFING PRODUCTS SURFACED WITH NATURALLY COLORED ROCK GRANULES
Title (de)
DACHEINDECKUNG VON ASPHALT MIT NATÜRLICH GEFÄRBTEM STEINGRANULAT
Title (fr)
PRODUITS DE COUVERTURE A BASE D'ASPHALTE RECOUVERTS DE GRANULES DE ROCHE NATURELLEMENT COLORES
Publication
Application
Priority
- US 9709137 W 19970530
- US 65664596 A 19960531
Abstract (en)
[origin: WO9745607A1] A roofing product includes a base sheet (10), a coating of an adhesive composition (52) on the base sheet, and a surface layer (44) of granules adhered to the coating (52), the roofing product including a tab portion (38) which is normally exposed on a roof, where the surface layer of the tab portion (38) includes naturally colored rock granules alone or in combinaison with artificially colored rock granules. In another embodiment, the surface layer of the tab portion (68) includes a blend of at least there different kinds of granules selected, at least one of which is naturally colored rock granules. Preferably the granules have a particle size from about 2.0 mm to about 0.3 mm.
IPC 1-7
IPC 8 full level
E04D 1/00 (2006.01); E04D 1/12 (2006.01); E04D 5/12 (2006.01)
CPC (source: EP US)
E04D 1/00 (2013.01 - EP US); E04D 1/12 (2013.01 - EP US); E04D 5/12 (2013.01 - EP); E04D 2001/005 (2013.01 - EP US)
Citation (search report)
- [XA] US 5347785 A 19940920 - TERRENZIO LOUIS A [US], et al
- [X] US 5380552 A 19950110 - GEORGE BILLY L [US], et al
- [A] US 5427793 A 19950627 - BIGHAM W STUART [US], et al
- See references of WO 9745607A1
Designated contracting state (EPC)
DE ES FR GB IT PT
DOCDB simple family (publication)
WO 9745607 A1 19971204; AU 3147697 A 19980105; BR 9709464 A 19990810; CA 2253921 A1 19971204; CN 1220713 A 19990623; EP 0901547 A1 19990317; EP 0901547 A4 20010228; PL 330147 A1 19990426
DOCDB simple family (application)
US 9709137 W 19970530; AU 3147697 A 19970530; BR 9709464 A 19970530; CA 2253921 A 19970530; CN 97195148 A 19970530; EP 97926795 A 19970530; PL 33014797 A 19970530