continued from part 1 - Controller General of Patents, Designs, and ...
11.12.2012 • Views
Share Embed Flag

continued from part 1 - Controller General of Patents, Designs, and ...

continued from part 1 - Controller General of Patents, Designs, and ...

continued from part 1 - Controller General of Patents, Designs, and ...

SHOW MORE
SHOW LESS
ePAPER READ
DOWNLOAD ePAPER
ipindia.nic.in

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

START NOW

(12) PATENT APPLICATION PUBLICATION (21) Application No.6479/DELNP/2008 A<br />

(19) INDIA<br />

(22) Date <strong>of</strong> filing <strong>of</strong> Application :24/07/2008 (43) Publication Date : 24/10/2008<br />

(54) Title <strong>of</strong> the invention : "SURFACE TREATED CR-FREE STEEL SHEET FOR USED IN FUEL TANK, PREPARING<br />

METHOD THEREOF AND TREATMENT COMPOSITION THEREFOR"<br />

(51) International classification :C23C 22/00 (71)Name <strong>of</strong> Applicant :<br />

(31) Priority Document No :10-2005-0130382 1)POSCO<br />

(32) Priority Date :27/12/2005<br />

Address <strong>of</strong> Applicant :1 KOEDONG-DONG, NAM-KU,<br />

(33) Name <strong>of</strong> priority country :Republic <strong>of</strong> Korea POHANG, KYUNGSANGBOOK-DO 790-300, REPUBLIC OF<br />

(86) International Application No :PCT/KR2006/005778 KOREA Republic <strong>of</strong> Korea<br />

Filing Date<br />

:27/12/2006 (72)Name <strong>of</strong> Inventor :<br />

(87) International Publication No :WO 2007/075050 1)NOH, SANG,-KEOL<br />

(61) Patent <strong>of</strong> Addition to Application<br />

Number<br />

Filing Date<br />

:NA<br />

:NA<br />

2)LEE, JAE-RYUNG<br />

3)CHO, YONG-KYUN<br />

(62) Divisional to Application Number :NA<br />

Filing Date<br />

:NA<br />

(57) Abstract :<br />

A Cr-free steel sheet includes a Zn-based electroplated steel sheet, a Cr-free layer which is formed by a Cr-free treatment liquid coated<br />

on the steel sheet, the Cr-free treatment liquid containing silicate <strong>of</strong> 3 to 40 <strong>part</strong>s by weight, silane <strong>of</strong> 0.5 to 10 <strong>part</strong>s by weight,<br />

titanium compound <strong>of</strong> 0.2 to 8 <strong>part</strong>s by weight, binder resin <strong>of</strong> 10 to 50 <strong>part</strong>s by weight, the binder resin being selected <strong>from</strong> the group<br />

consisting <strong>of</strong> urethane resin, epoxy resin <strong>and</strong> a combination there<strong>of</strong>, <strong>and</strong> phosphoric ester <strong>of</strong> 1 to 5 <strong>part</strong>s by weight based on the Crfree<br />

treatment liquid <strong>of</strong> 100 <strong>part</strong>s by weight, <strong>and</strong> a resin layer which is formed by a resin treatment liquid coated on the Cr-free layer,<br />

the resin treatment liquid containing melamine resin <strong>of</strong> 3 to 25 <strong>part</strong>s by weight, colloidal silica <strong>of</strong> 10 to 20 <strong>part</strong>s by weight, metal<br />

powder <strong>of</strong> 5 to 40 <strong>part</strong>s by weight, <strong>and</strong> phosphoric ester <strong>of</strong> 1 to 5 <strong>part</strong>s by weight based on phenoxy resin <strong>of</strong> 100 <strong>part</strong>s by weight.<br />

No. <strong>of</strong> Pages : 27 No. <strong>of</strong> Claims : 36<br />

The Patent Office Journal 24/10/2008 25903

logo

products

Resources

Company

Terms of service
Privacy policy
Cookie policy
Cookie settings
Imprint
Change language
Made with love in Switzerland
© 2024 Yumpu.com all rights reserved

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!