U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Highly scratch-resistant multilayer coat, method for producing and use of the same

Patent 6652919 Issued on November 25, 2003. Estimated Expiration Date: Icon_subject August 2, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2979514

3479328

3639147

3674838

Powa--method for coating and product
Patent #: 3953644
Issued on: 04/27/1976
Inventor: Camelon ,   et al.

Carbamoyloxy acrylate compounds
Patent #: 4126747
Issued on: 11/21/1978
Inventor: Cowherd, III ,   et al.

Coating process
Patent #: 4220679
Issued on: 09/02/1980
Inventor: Backhouse

Acrylic monomers containing carbamate functionality
Patent #: 4279833
Issued on: 07/21/1981
Inventor: Culbertson ,   et al.

Polyfunctional isocyanates free of alkali and urea groups
Patent #: 4301257
Issued on: 11/17/1981
Inventor: Zengel ,   et al.

(N-Substituted carbamoyloxy) alkanoyloxyalkyl acrylate esters
Patent #: 4340497
Issued on: 07/20/1982
Inventor: Knopf

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Inventors

Assignee

Application

No. 09/890760 filed on 08/02/2001

US Classes:

427/407.1, Synthetic resin coating427/379, Plural heating or drying steps427/409, Metal base428/423.1Of polyamidoester (polyurethane, polyisocyanate, polycarbamate, etc.)

Examiners

Primary: Gorr, Rachel

International Classes

B05D 7/00 (20060101)
C09D 175/04 (20060101)

Foreign Application Priority Data

1999-02-25 DE

Abstract

A highly scratch-resistant multicoat paint system on a primed or unprimed substrate, comprising above one another in this order (A) a basecoat, (B) a first clearcoat as intermediate coat, and (C) a second clearcoat as the topmost coat, wherein the second clearcoat (C) is producible from a coating coating material (C) comprising (C1) at least one oligomer and/or polymer containing at least one pendant carbamate and/or allophanate group (c11), especially carbamate group (c11), of the formula:and also a process for producing highly scratch-resistant multicoat systems.

Other References

  • English Abstract provided with the International Publication for WO 99/08808
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