Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Reexamination Certificate
2011-08-02
2011-08-02
Oh, Taylor Victor (Department: 1622)
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
C508S369000, C508S516000, C510S488000, C560S075000, C560S061000, C560S130000
Reexamination Certificate
active
07988884
ABSTRACT:
A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise the hindered phenolic esters produced according to these methods are also described.
REFERENCES:
patent: 2892097 (1959-06-01), Robertson
patent: 3247240 (1966-04-01), Meier et al.
patent: 3330859 (1967-07-01), Dexter et al.
patent: 3364250 (1968-01-01), Dexter et al.
patent: 3840585 (1974-10-01), Yamada et al.
patent: 4049713 (1977-09-01), Spivack
patent: 4085132 (1978-04-01), Park et al.
patent: 4228297 (1980-10-01), Haeberli et al.
patent: 4405807 (1983-09-01), Hasui et al.
patent: 4536593 (1985-08-01), Orban et al.
patent: 4582618 (1986-04-01), Davis
patent: 4594444 (1986-06-01), Orban
patent: 4659863 (1987-04-01), Burton
patent: 4694099 (1987-09-01), Ahlfors et al.
patent: 4716244 (1987-12-01), Orban
patent: 5081280 (1992-01-01), Takee et al.
patent: 5130465 (1992-07-01), Kovasy et al.
patent: 5136082 (1992-08-01), Dang et al.
patent: 5264612 (1993-11-01), Evain et al.
patent: 6056898 (2000-05-01), Semen
patent: 6126862 (2000-10-01), Semen
patent: 6126863 (2000-10-01), Semen
patent: 6291703 (2001-09-01), Schaerfl, Jr. et al.
patent: 6515052 (2003-02-01), Semen
patent: 6559105 (2003-05-01), Abraham et al.
patent: 6596198 (2003-07-01), Semen
patent: 6800228 (2004-10-01), Semen
patent: 6821456 (2004-11-01), Semen
patent: 7425290 (2008-09-01), Semen
patent: 2005/0006627 (2005-01-01), Semen
patent: 2009/0054698 (2009-02-01), Semen
Grant et al., Chemical Dictionary, McGraw-Hill Book Com, 5th Ed., 1990, p. 11-12 (p. 3).
Adams J. Robert
Cheng Chi Hung
Elnagar Hassan Y
Gatto Vincent J.
Albemarle Corporation
Jubinsky James A.
Oh Taylor Victor
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