02-05-2013 дата публикации
Номер: US20130109817A1
A modified polymer is provided herein, the modified polymer having the following formula: 8. The modified polyacetal of claim 2 , wherein Zis ethylenediamine claim 2 , piperazine claim 2 , bis(piperidine) claim 2 , 1 claim 2 ,3-diaminopropane claim 2 , 1 claim 2 ,4-diaminobutane claim 2 , 1 claim 2 ,5-diaminopentane claim 2 , decamethylenediamine claim 2 , hexamethylenediamine claim 2 , lysine claim 2 , histidine claim 2 , arginine claim 2 , tryptophan claim 2 , agmatine or ornithine.13. The modified polyacetal of claim 12 , whereinn is between about 0.01 and about 0.9996 inclusive; and{'sub': '2', 'nis between about 0.02 and about 0.90 inclusive.'}14. The modified polyacetal of claim 12 , wherein Zis ethylenediamine claim 12 , piperazine claim 12 , bis(piperidine) claim 12 , 1 claim 12 ,3-diaminopropane claim 12 , 1 claim 12 ,4-diaminobutane claim 12 , 1 claim 12 ,5-diaminopentane claim 12 , decamethylenediamine claim 12 , hexamethylenediamine claim 12 , lysine claim 12 , histidine claim 12 , arginine claim 12 , tryptophan claim 12 , agmatine or ornithine.19. The modified polyacetal of claim 1 , wherein:{'sub': 1', '1, 'the ratio (m) of the number of Rto the total number of polyacetal units of the polyacetal is 0 to 0.25;'}{'sub': 3', '3, 'the ratio (m) of the number of Rto the total number of polyacetal units of the polyacetal is 0 to 100;'}{'sub': 4', '4, 'the ratio (m) of the number of Rto the total number of polyacetal units of the polyacetal is 0 to 30;'}{'sub': 5', '5, 'the ratio (m) of the number of Rto the total number of polyacetal units of the polyacetal is 0 to 0.03.'}20. The modified polyacetal of claim 19 , wherein{'sub': '1', 'mis 0.002 to 0.25;'}{'sub': '3', 'mis 0.002 to 100;'}{'sub': '4', 'mis 0.03 to 0.30; and'}{'sub': '5', 'mis 0.01 to 0.03.'} This application is a continuation-in-part of U.S. patent application Ser. No. 13/073,815, filed Mar. 28, 2011 (now allowed), which incorporates by reference and claims the benefit of and priority under 35 ...
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