Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1998-03-06
1999-07-27
Lee, Howard C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536 69, 536 70, 536 71, 536 76, C08B 316, C08B 300
Patent
active
059292296
ABSTRACT:
The present invention relates to a process for preparing cellulose esters having a total DS/AGU of 0.1 to 3.0, said process consisting of contacting the following:
REFERENCES:
patent: 1880808 (1932-10-01), Clarke et al.
patent: 2585516 (1952-02-01), Thomas
patent: 2652340 (1953-09-01), Hiatt et al.
patent: 2705710 (1955-04-01), Blume
patent: 2976277 (1961-03-01), Touey et al.
patent: 4329446 (1982-05-01), Wininger
patent: 5214137 (1993-05-01), Wilson et al.
patent: 5292877 (1994-03-01), Edgar et al.
patent: 5360843 (1994-11-01), Edgar et al.
patent: 5420267 (1995-05-01), Edgar et al.
patent: 5750677 (1998-05-01), Edgar et al.
Edgar et al., ACS Symp. Ser. 688 (Cellulose Derivatives), pp. 38-60, (1998). Abstract Only.
Edgar et al., Book of Abstracts, 212.sup.th ACS National Meeting, Orlando, FL (Aug. 25-29, 1996), p. CELL-025. Abstract Only.
Malm et al., Viscosity Reduction of Cellulose Esters in Aliphatic Acid-Anhydride Solution with Free and Combined Sulfuric Acid Catalyst, Tappi, vol. 47, No. 9, pp. 533-539, 1964.
Bogan et al., Cellulose Derivatives, Esters, High Polymers Series, vol. V, 2nd ed., pp. 230-231, 1971.
Wang et al., Synthesis and Characterization of Long-Chain Fatty Acid Cellulose Ester (FACE), Journal of Applied Polymer Science, vol. 52, pp. 755-761, 1994.
Samaranayake et al., Cellulose Derivatives With Low DS. I. A Novel Acylation System, Carbohydrate Polymers vol. 22, pp. 1-7, 1993.
Kwatra et al., Synthesis of Long Chain Fatty Acids Esterified onto Cellulose via the Vacuum-Acid Chloride Process, Ind. Eng. Chem. Res., vol. 31, pp. 2647-2651, 1992.
Malm et al., Preparation of Cellulose Acetate--Action of Sulfuric Acid, Industrial And Engineering Chemistry, vol. 38, No. 1, pp. 77-82, 1946.
Malm et al., Aliphatic Acid Esters of Cellulose--Preparation by Acid Chloride--Pyridine Procedure, Industrial And Engineering Chemistry, vol. 43, No. 3, pp. 684-688, 1951.
Bogan Richard T.
Edgar Kevin J.
Allen Rose M.
Boshears Betty J.
Eastman Chemical Company
Gwinnell Harry J.
Lee Howard C.
LandOfFree
Direct process for the production of cellulose esters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Direct process for the production of cellulose esters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direct process for the production of cellulose esters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-879997