119______________________________________ an absorbable surgical suture material was produced in accordance with the proposed procedure 0 4 kg of polynosic threads no 60 3 having a mechanical tensile strength of 0 85 kg were oxidized with nitrogen oxides by one of known methods till obtaining monocarboxycellulose with a carboxyl group content of 3 5 and then were processed in accordance with the procedure described in example 1 said threads were treated first with a 1 5 percent aqueous solution of nicl 2 for 1 hour and then with a 2 percent solution of gallic acid in 70 percent ethanol for 1 hour ______________________________________content of transition metal 0 59relative moisture content 7 85tensile strength kg 1 0ratio of tensile strength of processedthreads to that of initial threads 117______________________________________ an absorbable surgical suture material was produced in accordance with the proposed procedure polynosic threads with the same initial characteristics as in example 6 were processed in accordance with the procedure described in example 1 said threads were treated first with a 2 percent aqueous solution of nicl 2 for 1 hour and then with a 2 percent solution of 8 oxyquinoline in 10 percent ethanol for 1 hour ______________________________________content of transition metal 0 62relative moisture content 7 9tensile strength kg 1 05ratio of tensile strength of processedthreads to that of initial threads 124______________________________________ an absorbable surgical suture material was produced in accordance with the proposed procedure 1 2 kg of viscose threads no 60 12 having a tensile strength of 2 57 kg were oxidized with nitrogen oxides by one of known methods till obtaining monocarboxycellulose with a carboxyl group content of 5 9 and then were.