|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||501/035 ; 501/036 ; 501/065 ; 501/066 ; 501/071 ; 106/711|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 20|
The present invention relates to glass fibers, especially for reinforcing organic materials and having an alumino-silicate glass composition, containing one or more alkaline earth metal compounds and with a low content of alkali metal compounds, wherein the composition further contains a combination of coloring agents formed from iron oxides, cobalt oxide and, optionally, chromium oxide, which enable the fibers to be dyed in bulk and to have more neutral tones.
[ What is claimed as new and desired to be secured by Letters Patent of the United States is:] [1.] Glass fiber for reinforcing organic materials and having an alumino-silicate glass composition, said composition further comprising one or more alkaline earth metal compounds and having less than 2% by weight of alkali metal oxides, and wherein the composition further comprises a combination of coloring agents of iron oxides, cobalt oxide and, optionally, chromium oxide, said coloring agents providing bulk dyeability to the glass fibers, andsaid glass comp...