Catalytic steam dealkylation of alkyl phenols

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07C 3750

Patent

active

042308968

ABSTRACT:
This invention provides a method for the selective dealkylation of alkylated phenols, which method comprises reacting a feed solution comprising a mixture of alkylated phenols with steam in the presence of a catalyst comprising a hydrous carrier, at least one catalyst deactivation suppressor, and at least one promoter. A salt of an alkali metal may be added to the feed to enhance the selectivity of phenol in the product.

REFERENCES:
patent: 2366497 (1945-01-01), Dawson
patent: 2386969 (1945-10-01), Mattox
patent: 2435038 (1948-01-01), Gilbert et al.
patent: 2692293 (1954-10-01), Heinemann
patent: 2734929 (1956-02-01), Doumani
patent: 2746996 (1956-05-01), Neuworth
patent: 2773917 (1956-12-01), Coonradt et al.
patent: 2998457 (1961-08-01), Paulson
patent: 3071627 (1963-01-01), Mackay et al.
patent: 3091646 (1963-05-01), Leston
patent: 3296316 (1969-04-01), Neuworth
patent: 3436434 (1972-03-01), Lester
patent: 3649707 (1972-04-01), Lester
patent: 3686340 (1972-08-01), Partick et al.
patent: 3751505 (1973-08-01), Bergomi
patent: 3760023 (1973-09-01), Partick et al.
patent: 4008181 (1977-02-01), Dorawala et al.
Chemical Abstracts 55; 22240g.
Chemical Abstract 71; 123, 263 m.
Rabinovich et al., Dealkylation of Toluene on Metals of the Platinum group in the presence of Steam.
Grenoble "Amer. Chem. Soc. Meeting Mar. 20-23, 1977 New Orlean Kenetics of Steam Dealkylation of Toluene over Group VII Noble Metal."
Grenoble, "Journal of Catalysis," vol. 51, pp. 212-220 (1978).
Grenoble, "Journal of Catalysis," vol. 51, pp. 203-211 (1978).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Catalytic steam dealkylation of alkyl phenols does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalytic steam dealkylation of alkyl phenols, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalytic steam dealkylation of alkyl phenols will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-269498

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.