US 2019/0376155 A1Published application

Curable protective coating composition

AssigneeHenkel AG & Co. KGaA

InventorsYakun Zhu, Xueting Qiu

Life of this patent

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Abstract

The present invention relates to a self-collapsed protective coating composition and use thereof. In particular, the invention relates to a self-collapsed protective coating composition for hot stamping of steel material, which can protect the surface of steel material from oxide scale and provide ease for subsequent welding.

Claims22

Dependent claims

A curable protective coating composition, comprising a film forming binder, a pigment, a stripping agent, and a solvent.

Dependencies are inferred from the claim text.

Facts

Application: 16/458,244Filed 1 Jul 2019
Priority: 9 Jan 2017
Published: 12 Dec 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

C21D 1/68
General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering: temporary coatings or embedding materials…
C21D 1/70
Temporary coatings or embedding materials applied before or during heat treatment: while heating or quenching
B21D 22/022
Stamping using rigid devices or tools: by heating the blank or stamping associated with heat treatment
C09D 1/00
Coating compositions

Family

Application16/458,244Continuation
US 11,186,883 B2Related patent
US 2019/0376155 A1This patent

From the US filing history. Foreign family members aren’t listed.

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