Invention Grant
- Patent Title: Use of an ester additive and paving grade asphalt in built up roofing asphalt composition manufacture
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Application No.: US14658439Application Date: 2015-03-16
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Publication No.: US10336906B2Publication Date: 2019-07-02
- Inventor: Laurand H. Lewandowski , Robert Edwin Quinn , Michael R. Franzen
- Applicant: Owens Corning Intellectual Capital, LLC
- Applicant Address: US OH Toledo
- Assignee: Owens Corning Intellectual Capital, LLC
- Current Assignee: Owens Corning Intellectual Capital, LLC
- Current Assignee Address: US OH Toledo
- Agency: Calfee, Halter & Griswold LLP
- Main IPC: C08L95/00
- IPC: C08L95/00 ; C08K5/101 ; E04D11/02 ; C10C3/04 ; C11C3/00 ; C09D195/00 ; C09D191/00 ; C08L91/00 ; C08K3/22 ; C08K3/16 ; C08K5/51 ; C08K3/06
Abstract:
Thermally stable built-up roofing asphalt (“BURA”) composition comprising a paving grade asphalt is disclosed. The paving grade asphalt has been over-blown to a first softening point and an additive is included in an amount to achieve a second softening point. The additive comprises at least at least one ester. The BURA composition is thermally stable at processing temperatures of at least 450° F.
Public/Granted literature
- US20150259506A1 USE OF AN ESTER ADDITIVE AND PAVING GRADE ASPHALT IN BUILT UP ROOFING ASPHALT COMPOSITION MANUFACTURE Public/Granted day:2015-09-17
Information query
