Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-03-15
1991-01-22
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525380, 525384, 525386, 8647, C08F 812, C08F 830
Patent
active
049871951
ABSTRACT:
Polyacrylamide gels containing bound dye indicator molecules being sensitive to pH variation are treated with an aqueous solution for a period of time until the shifting of the pK value of the gel, due to the treatment, has finished.
REFERENCES:
patent: 3839255 (1974-10-01), Podlas
patent: 4194877 (1980-03-01), Peterson
patent: 4801655 (1989-01-01), Murray, Jr. et al.
Morrison & Boyd, Organic Chemistry, 3rd ed., Jun. 1979, p. 1113.
Rupp Lothar
Wunderling Martin
Hewlett--Packard Company
McDonald, Jr. Thomas
Schofer Joseph L.
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