Gas separation: apparatus – Electric field separation apparatus – Electrode retaining or supporting means
Patent
1974-12-18
1976-01-06
Smith, Ronald H.
Gas separation: apparatus
Electric field separation apparatus
Electrode retaining or supporting means
96 33, 96 351, 96 367, 96 363, 96 87R, 96115P, 20415916, G03C 168, G03C 170
Patent
active
039308650
ABSTRACT:
The invention relates to a photopolymerizable copying composition comprising at least one polymerizable compound, at least one photo-initiator, and at least one copolymer of (A) an unsaturated carboxylic acid, (B) an alkyl methacrylate with at least 4 carbon atoms in the alkyl group, and (C) at least one additional monomer which is capable of copolymerization with monomers (A) and (B), the homopolymer of said additional monomer having a glass transition temperature of at least 80.degree.C.
REFERENCES:
patent: 3796578 (1974-03-01), Hosoi et al.
patent: 3804631 (1974-04-01), Faust
patent: 3833384 (1974-09-01), Noonan et al.
patent: 3850770 (1974-11-01), Juna et al.
Faust Raimund Josef
Klupfel Kurt Walter
Bryan James E.
Hoechst Aktiengesellschaft
Smith Ronald H.
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