Compositions – Organic luminescent material containing compositions – Optical brightening compositions
Patent
1989-05-04
1991-06-25
Willis, Prince E.
Compositions
Organic luminescent material containing compositions
Optical brightening compositions
25230116, 162162, 106137, 106148, 106493, 106505, 524 17, C09K 1106, D21H 1714, C08K 509, C08L10100
Patent
active
050265075
ABSTRACT:
A paper additive of high whiteness and low biological toxicity comprising a whitening amount of a compound of the formula ##STR1## wherein R is H or (C.sub.1 -C.sub.6)alkyl R' is independently H or (C.sub.1 -C.sub.6)alkyl, R" is H or NR'.sub.n, and n is 2 or 3, wherein if n=3 the compound further comprises X.sup.-, wherein X.sup.- is an anion.
A paper of high whiteness and low biological toxicity is coated or filled with the above additive, and a food product is packaged with the paper of this invention.
REFERENCES:
patent: 658769 (1900-10-01), Erdmann
patent: 2515320 (1946-11-01), Sokol
patent: 3076024 (1963-01-01), Larsen
patent: 3238203 (1966-03-01), Krapcho
patent: 3560624 (1971-02-01), Rogers
patent: 3620913 (1971-11-01), Parmerter
patent: 3758561 (1973-09-01), Rogers
patent: 3907880 (1975-09-01), Hakansson
patent: 4310677 (1982-01-01), Reisenwebber
patent: 4481186 (1984-11-01), Deckner
patent: 4539385 (1985-09-01), Geist et al.
patent: 4582922 (1986-04-01), Meier
patent: 4607073 (1986-08-01), Sakashita et al.
patent: 4633009 (1986-12-01), Lerner
patent: 4642322 (1987-02-01), Wehner et al.
patent: 4696999 (1987-09-01), Spies et al.
Shimizu, H. and Takemura, N, "Mutanegenicity of Some Aniline Derivatives", in Orford, R. R., Cowell, J. W.
Jamieson, G. G., and Love, E. J., editors "Occupational Health in the Chemical Industry", pp. 497-506, Medichem Calgary 1983 Association, Calgary (1983).
"The Organic Chemistry of Color," American Ink Maker, Jan., 1950. Author: Schneid, pp. 28-57.
Gowan, Jr. John W.
Lo David K.
Steinberg Thomas W.
Westvaco Corporation
Willis Prince E.
LandOfFree
Fluorescent whitening agents, products comprising the agent and does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluorescent whitening agents, products comprising the agent and , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluorescent whitening agents, products comprising the agent and will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1038480