383. Y.-J. Kim, Y.-S. Lee, S.-M. Kim, Method of preparing flame-retardant polyester fiber and flame-retardant polyester fiber, assigned to Kolon, US Patent 8388879, March 5, 2013.
384. K.-T. Park, Y.-J. Lee, J.-R. Kim, S.-Y. Hwang, Method for preparing a polyester resin, US Patent 9328195, assigned to SK Chemicals, May 3, 2016.
385. J. Asrar, Polymer-bound non-halogen fire resistant compositions, US Patent 5750603, assigned to Solutia, May 12,1998.
386. H.J. Kleiner, Process for preparing 6-chloro-(6H)-dibenzo[c,e][1,2]oxaphosphorin, US Patent 5481017, assigned to Hoechst, February 21, 1995.
387. H.J. Kleiner, Method of preparing 6H-dibenzo[c,e][1,2]oxaphosphorin-6-one, US Patent 5391798, assigned to Hoechst, January 2, 1996.
388. Freudenberger, V. and Jacob, F., Phosphorhaltige polyethylenterephthalate, Angew. Makromol. Chem., 105, 203, 1982.
389. S. Endo, T. Kashihara, A. Osako, T. Shizuki, T. Ikegami, Phosphorus-containing compounds, US Patent 4127590, assigned to Toyobo, November 28, 1978.
390. Gyobu, S., Sato, M., Takeuchi, H., Development and properties of flame retardant fibers, in: Proc. Spring FRCA Conference, pp. 157–165, New Orleans, LA, March 2003.
391. Sato, M., Endo, S., Araki, Y., Matsuoka, G., Gyobu, S., Takeuchi, H., The flame-retardant polyester fiber: Improvement of hydrolysis resistance, J. Appl. Polym. Sci., 78, 1134, 2000.
392. Yang, S.-C. and Kim, J.P., Flame-retardant polyesters. II. Polyester polymers, J. Appl. Polym. Sci., 106, 1274, 2007.
393. Yang, S.-C. and Kim, J.P., Flame retardant polyesters. I. phosphorus flame retardants, J. Appl. Polym. Sci., 106, 2870, 2007.
394. B. Just, H. Keller, S., Imeri, Flame-retardant material containing phosphorous, European Patent 2284208, assigned to Schill & Seilacher, February 22, 2012.
395. Zhang, C., Huang, J.Y., Liu, S.M., Zhao, J.Q., The synthesis and properties of a reactive flame-retardant unsaturated polyester resin from a phosphorus-containing diacid, Polym. Adv. Technol., 22, 1768, 2011.
396. Levchik, S.V. and Weil, E.D., Thermal decomposition, combustion and fire-retardancy of epoxy resins – a review of the recent literature, Polym. Int., 53, 1585, 2004.
397. R. Ultz and S. Sprenger, Flame-retardant epoxy resins and flame retarders for epoxy resins, European Patent 0806429, assigned to Schill & Sellacher, December 19, 2001.
398. C.-S. Wang and C.H. Lin, Epoxy resin rendered flame retardant by reaction with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, US Patent 6291627, assigned to National Science Council of Taiwan, September 18, 2001.
399. Sprenger, S. and Utz, R., Reactive, organophosphorus flame retardants for epoxies, J. Adv. Mater., 33, 24, 2001.
400. Doering, M., Phosphorus containing flame retardants in epoxy resins, in: Flame Retardants, London, 2008, Interscience Communication, pp. 121–131, 2008.
401. Y. Hirai, H. Suzuki, Y. Takeda, K. Oohori, S. Kamoshida, M. Kakitani, N., Abe, Resin composition, and use and method for preparing the same, US Patent 6720077, assigned to Hitachi, April 13, 2004.
402. Rakotomalala, M., Wagner, S., Doering, M., Recent developments in halogen free flame retardants for epoxy resins for electrical and electronic applications, Materials, 3, 4300, 2010.
403. T. Sagara, T. Takata, K. Ihara, H. Kakiuchi, K. Ishihara, C. Asano, M. Gunji, H. Sato, Epoxy resin compositions containing phosphorus, flame retardant resin sheet using said epoxy resin containing phosphorus, resin clad metal foil, prepreg and laminated board, multi layer board, US Patent 6524709, assigned to Matsushita, February 2003.
404. Vlad-Bubulac, T., Hamciuc, C., Petreus, O., Synthesis and properties of some phosphorus-containing polyesters, High Perform. Polym., 18, 255, 2006.
405. Montero De Espinosa, L., Ronda, J.C., Galia, M., Cadiz, V., Meier, M.A.R., Fatty acid derived phosphorus-containing polyesters via acyclic diene metathesis polymerization, J. Polym. Sci., Polym. Chem., 47, 5760, 2009.
406. T. Asana, K. Ogasawara, N. Ito, Epoxy resin composition, prepreg and multilayer printed-wiring board, European Patent 1103575, assigned to Matsushita, February 8, 2006.
407. T. Iwami, M. Matsumoto, T. Abe, T. Yonemoto, H. Fujiwara, Epoxy resin composition for prepreg, prepreg, and multilayer printed circuit board, European Patent 2554561, assigned to Panasonic, September 4, 2019.
408. D. Kishimoto and Y. Umeki, High melting point flame retardant crystal and method for manufacturing the same, epoxy resin composition containing the flame retardant, and prepreg and flame retardant laminate using the composition, US Patent 9371438, assigned to Sanko, June 21, 2016.
409. Y. Meng, K. Fang, Y. Xu, Flame-retardant polyphenylene ether resin composition, European Patent Application 3564316, assigned to Shengyi, November 6, 2019.
410. V.M. Chopdekar, A.R. Mellozi, A.T. Cornelson, Flame-retardant cyanate esters US Patent Application 2011/0054087, assigned to Lonza, March 3, 2011.
411. M. Yaginuma, S. Ito, Y. Ueno, Resin composition, prepreg and resin sheet, and metal foil-clad laminate, European Patent 269012 assigned to Mitsubishi Gas, June 17, 2020.
412. A.M. Piotrowski, J. Zilberman, M. Zhang, E. Gluz, S. Levchik, K.A. Suryadevara, Active ester curing agent compound for the thermosetting resins, flame retardant composition comprising same, and articles made therefrom, US Patent 10500823, assigned to ICL-IP America, December 10, 2019.
413. J. Gan, Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers, US Patent 8143357, assigned to Dow, March 27, 2012.
414. R.-T. Wang, L.-C. Yu, Y.-T. Lin, Y.-J. Chen, W. Tian, Z. Ma, W. Lu, Halogen-free resin composition, copper clad laminate using the same, and printed circuit board using the same, US Patent 9650512, assigned to Elite, May 16, 2017.
415. Y.-T. Li, Halogen-free resin composition and its application for copper clad laminate and printed circuit board, US Patent 9005761, assigned to Elite, April 14, 2015.
416. Y.L. Angell, K.M. White, S.E. Angell, A.G. Mack, DOPO-derived flame retardant and epoxy resin composition, US Patent 8536256, assigned to Albemarle, September 17, 2013.
417. Q. Yao, A.G. Mack, J. Wang, Process for the preparation of DOPO-derived compounds and compositions thereof, US Patent 9012546, assigned to Albemarle, April 21, 2015.
418. G. He and T. Amla, Varnishes and prepregs and laminates made therefrom, European Patent 3055354, assigned to Isola, December 5, 2018.
419. W.F. Scholz and S. Paul, Circuit materials with improved fire retardant system and articles formed therefrom, US Patent 10104769, assigned to Rogers, October 16, 2018.
420. Frank, A.W., Daigle, D.J., Vail, S.L., Chemistry of hydroxymethyl phosphorus compounds: Part II. Phosphonium salts, Text. Res. J., 52, 678, 1982.
421. Choudhury, A.K.R., Flame Retardants for Textile Materials, CRC Press, Boca Raton, 2021.
422. Horrocks, A.R. and Zhang, S., Enhancing polymer flame retardancy by reaction with phosphorylated polyols. Part 2. Cellulose treated with a phosphonium salt urea condensate (Proban CC) flame retardant. Fire Mater., 26, 173, 2002.
423. LeBlanc, R.B., The durability of flame retardant-treated fabrics, Text. Chem. Color., 29, 2, 19, 1997.
424. Y. Gao, C.Y., Hsieh, Z., Ma, Z., Wang, W., Tian, Polyphenylene oxide resin, method of preparing polyphenylene oxide resin, polyphenylene oxide prepolymer and resin composition, US Patent 9447238, assigned to Elite, September 20, 2016.
425. H. Saito, and H. Fujiwara, Curable composition, prepreg, metal foil with composition, metal-clad laminate and wiring board, US Patent Application 2018/0170005, assigned to Panasonic, June 21, 2018.