White pigment for use in formulations including white pearlescent paint

IIIH

US007314649B2

(12) United States Patent ao) Patent No.: Us 7,314,649 B2

Karunaratne et al. (45) Date of Patent: *Jan. 1,2008

(54) WHITE PIGMENT FOR USE IN

FORMULATIONS INCLUDING WHITE
PEARLESCENT PAINT

(75) Inventors: Nirupama Karunaratne, Ontario (CA);

Ken Johnson, Ontario (CA); Hiroki
Kanaya, Saitama (JP)

(73) Assignee: Honda Canada, Inc., Ontario (CA)

( * ) Notice: Subject to any disclaimer, the term of this
patent is extended or adjusted under 35
U.S.C. 154(b) by 0 days.

This patent is subject to a terminal dis-
claimer.

(21) Appl. No.: 11/417,162

(22) (65)

Filed:

May 4, 2006

Prior Publication Data

US 2006/0205843 Al Sep. 14, 2006

Related U.S. Application Data

(63) Continuation of application No. 10/497,086, filed on May 28, 2004, now Pat. No. 7,064,159.

(60) Provisional application No. 60/334,422, filed on Nov. 29, 2001.

(51) Int. CI.

C0SD 7/08 (2006.01)

(52) U.S. CI 427/419.2; 427/376.2;

427/376.6; 427/388.4

(58) Field of Classification Search 427/376.2,

427/376.6, 385.5, 388.4, 407.1, 418, 419.2,

427/375.2

See application file for complete search history. (56) References Cited

U.S. PATENT DOCUMENTS