Invention Grant
- Patent Title: Discoloration protection
- Patent Title (中): 变色保护
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Application No.: US14279392Application Date: 2014-05-16
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Publication No.: US09303546B2Publication Date: 2016-04-05
- Inventor: Frank Haunstetter
- Applicant: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
- Applicant Address: DE
- Assignee: DR. ING H.C.F. PORSCHE AKTIENGESELLSCHAFT
- Current Assignee: DR. ING H.C.F. PORSCHE AKTIENGESELLSCHAFT
- Current Assignee Address: DE
- Agent Gerald E. Hespos; Michael J. Porco; Matthew T. Hespos
- Priority: DE102013106415 20130619; DE102014105619 20140422
- Main IPC: B05D3/02
- IPC: B05D3/02 ; F01N13/16 ; C25D9/04 ; C25D11/38 ; B05D3/04 ; B05D7/14 ; F01N3/05 ; F01N13/18
Abstract:
A method is provided for protecting at least one metallic surface against discolorations under the action of heat. The method includes applying a lacquer to the metallic surfaces and then stoving the metallic surface while sealing the metallic surface against oxygen contact to form a permanently effective oxygen barrier.
Public/Granted literature
- US20140373516A1 DISCOLORATION PROTECTION Public/Granted day:2014-12-25
Information query
