Invention Grant
- Patent Title: Coated microspheres and their uses
- Patent Title (中): 涂层微球及其用途
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Application No.: US12641935Application Date: 2009-12-18
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Publication No.: US08367749B2Publication Date: 2013-02-05
- Inventor: Ronald C. Aufderheide
- Applicant: Ronald C. Aufderheide
- Applicant Address: US DE Wilmington
- Assignee: Ask Chemicals L.P.
- Current Assignee: Ask Chemicals L.P.
- Current Assignee Address: US DE Wilmington
- Agency: Standley Law Group LLP
- Main IPC: B22C1/22
- IPC: B22C1/22
Abstract:
The invention relates to microspheres coated with a phenolic novolak resin, a process for preparing them, and their use in making foundry shapes, e.g. molds, cores, sleeves, pouring cups, etc., which are used in casting metal parts.
Public/Granted literature
- US20100099794A1 COATED MICROSPHERES AND THEIR USES Public/Granted day:2010-04-22
Information query
