IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0647720
(2000-10-04)
|
우선권정보 |
GB-19980007180 (1998-04-04) |
국제출원번호 |
PCT/GB99/00888
(1999-04-01)
|
국제공개번호 |
WO99/51815
(1999-10-14)
|
발명자
/ 주소 |
- Husband, John Claude
- Payton, Desmond Charles
- Renals, Michele Susan
|
출원인 / 주소 |
|
대리인 / 주소 |
Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
67 |
초록
▼
A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter les
A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter less than 2 μm and not less than 8%, preferably not less than 12%, by weight of the particles have an equivalent spherical diameter less than 0.25 μm and whose particles have a shape factor of at least 45, preferably at least 50.
대표청구항
▼
A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter les
A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80% by weight of the particles have an equivalent spherical diameter less than 2 μm and not less than 8%, preferably not less than 12%, by weight of the particles have an equivalent spherical diameter less than 0.25 μm and whose particles have a shape factor of at least 45, preferably at least 50. 52, 19831100, Cohen et al.; US-4427450, 19840100, Kostansek; US-4467057, 19840800, Dieck et al.; US-4543287, 19850900, Briggs et al.; US-4546126, 19851000, Breitenfellner et al.; US-4582866, 19860400, Shain; US-4584333, 19860400, Prigent et al.; US-4708975, 19871100, Shain; US-4795776, 19890100, Milner; US-4820761, 19890400, Saito et al.; US-4873116, 19891000, Ancker; US-4888315, 19891200, Bowman et al.; US-4918127, 19900400, Adur et al.; US-4943324, 19900700, Bundy et al.; US-4966638, 19901000, Mudgett; US-4981521, 19910100, Bettacchi et al.; US-5085707, 19920200, Bundy et al.; US-5112782, 19920500, Brown et al.; US-5128606, 19920700, Gate et al.; US-5167707, 19921200, Freeman et al.; US-5168083, 19921200, Matthews et al.; US-5169443, 19921200, Willis et al.; US-5294654, 19940300, Hellstern-Burnell et al.; US-5332493, 19940700, Ginn et al.; US-5364899, 19941100, Watanabe et al.; US-5411587, 19950500, Willis et al.; US-5416151, 19950500, Tanaka; US-5439558, 19950800, Bergmann et al.; US-5454865, 19951000, Ginn et al.; US-5516829, 19960500, Davis et al.; US-5522924, 19960600, Smith et al.; US-5573946, 19961100, Haxell et al.; US-5578659, 19961100, Anada et al.; US-5624488, 19970400, Forbus et al.; US-5645635, 19970700, Behl et al.; US-5685900, 19971100, Yuan et al.; US-5707912, 19980100, Lowe et al.; US-5735946, 19980400, Bloodworth et al.; US-5749958, 19980500, Behl et al.; US-5810998, 19980900, Arrington-Webb et al.; US-5846309, 19981200, Freeman et al.; US-5879512, 19990300, McGenity et al.; US-5948156, 19990900, Coutelle et al.; US-6031036, 20000200, Rosenquist et al.; US-6149723, 20001100, Pruett et al.; US-6186335, 20010200, Arrington-Webb et al.; US-6262161, 20010700, Betso et al.; US-RE37385, 20010900, Okada et al.; US-6402286, 20020600, Yuan et al.
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