Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins
Patent
1993-09-28
1994-06-14
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
5263402, 528930, 528931, C08G 8300
Patent
active
053211111
ABSTRACT:
A method for extracting polyisoprenes from cells, comprising the steps of contacting the cells with an organic protein-denaturing compound, rupturing the cells to release the polyisoprene from the cells and recovering the polyisoprene. The preferred protein denaturing compound comprises an aqueous solution of a guanidine salt.
REFERENCES:
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patent: 4139903 (1979-07-01), Bauman
patent: 4435337 (1984-03-01), Kay et al.
Review Paper; 1992 Natural Rubber; M. R. Sethuraj and N. M. Mathew; 29 pgs.
Polym.-Plast. Technol. Eng. (1988) Continuous Solvent Extraction Process for Recovery of Natural Rubber from Guayule; (pp. 335-350).
Northern Regional Research Center, Agricultural Research Service, U.S. Dept. of Agriculture, Peoria, Ill. 61604 Pilot-Scale Guayule Processing Using Countercurrent Solvent Extraction Equipment; (4 pgs).
Anal. Chem. 1986, 58; Modified Soxhlet Procedure for the Quantification of Resin and Rubber Content of Guayule; E. J. Nurthen., B. V. McCleary, P. L. Multhorpe and J. W. Whitworth; (pp. 448-453).
The Natural Rubber Producers' Research Assoc., Rubber, Gutta Percha, and Chicle; B. L. Archer and B. G. Audley; Date Unknown; (pp. 310-343).
Foelak Morton
McDaniel C. Steven
Watkins Marcella D.
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