Invention Grant
- Patent Title: Coated microspheres and their use
- Patent Title (中): 涂层微球及其用途
-
Application No.: US11500019Application Date: 2006-08-07
-
Publication No.: US07659327B2Publication Date: 2010-02-09
- Inventor: Ronald C. Aufderheide
- Applicant: Ronald C. Aufderheide
- Applicant Address: US OH Dublin
- Assignee: Ashland Licensing and Intellectual Property, LLC
- Current Assignee: Ashland Licensing and Intellectual Property, LLC
- Current Assignee Address: US OH Dublin
- Agent David L. Hedden
- 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
- US20070037899A1 Coated microspheres and their use Public/Granted day:2007-02-15
Information query