Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-03-08
2008-10-21
Gulakowski, Randy (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S069000, C525S207000, C525S221000, C525S240000
Reexamination Certificate
active
07439307
ABSTRACT:
Articles made from propylene ethylene copolymers with an ethylene content between 8 and 32 mole % have been grafted with maleic anhydride and a peroxide. The functionality level is higher than what is reported with polypropylene.
REFERENCES:
patent: 3416990 (1968-12-01), Robinson, Jr.
patent: 3862265 (1975-01-01), Steinkamp et al.
patent: 4159287 (1979-06-01), Ames
patent: 4780228 (1988-10-01), Gardiner et al.
patent: 4999403 (1991-03-01), Datta et al.
patent: 5047462 (1991-09-01), Kehr et al.
patent: 5059658 (1991-10-01), Sezume et al.
patent: 5367022 (1994-11-01), Kiang et al.
patent: 5424367 (1995-06-01), Auda et al.
patent: 5439974 (1995-08-01), Mattson
patent: 5451639 (1995-09-01), Marczinke et al.
patent: 5504172 (1996-04-01), Imuta et al.
patent: 5670595 (1997-09-01), Meka et al.
patent: 5763088 (1998-06-01), Nakano et al.
patent: 5998039 (1999-12-01), Tanizaki et al.
patent: 6002064 (1999-12-01), Kobylivker et al.
patent: 6288171 (2001-09-01), Finerman et al.
patent: 6884850 (2005-04-01), Schauder et al.
patent: 6921794 (2005-07-01), Cozewith et al.
patent: 2005/0075441 (2005-04-01), Onoe et al.
patent: 2006/0211825 (2006-09-01), Schauder et al.
patent: 0 767 182 (1997-04-01), None
patent: 0 770 641 (1997-05-01), None
patent: 0 777 693 (1997-06-01), None
patent: 0 964 011 (1999-12-01), None
patent: 879 195 (1961-10-01), None
patent: 1 040 539 (1966-08-01), None
patent: 1 531 188 (1978-11-01), None
patent: 2 022 597 (1979-12-01), None
patent: 1 578 049 (1980-10-01), None
patent: WO02/36651 (2002-05-01), None
patent: WO2005/049670 (2005-06-01), None
Modification of Polypropylene with Maleic Anhydride, Hogt, ANTEC '88 Proceedings of the 46th Annual Technical Conference, Atlanta, Apr. 18-21, 1988, p. 1478-1480.
The Maleic Anhydride Grafting of Polypropylene with Organic Peroxides, Callais et al., ANTEC '90 Plastics in the Environment: Yesterday, Today and Tomorrow, Conference Proceedings, Dallas TX, May 7-11, 1990, pp. 1921-1923.
M. Lambla in Makromol. Chem., Macromol. Symp. 75, entitled “Exchange and Free Radical Grafting Reactions in Reactive Extrusion”, pp. 137-157, 1993.
W. Heinen et al., Macromolecules, 29, entitled “13C NMR Study of the Grafting of Maleic Anhydride onto Polyethene, Polypropene, and Ethene—Propene Copolymers”, p. 1151-1157, Netherlands, 1996.
Braun et al., Macromol. Symp. 129, entitled “Chemical Modification of Polymeric Hydrocarbons”, pp. 43-51 (1998) Germany.
Heinen* et al., Macromol. Symp. 129, entitled13C NMR Study of the Grafting of13C Labeled Maleic Anhydride onto PE, PP and EPM, pp. 119-125, The Netherlands.
S.B. Brown, in Reactive Extrusion, Chapter 4, entitled “Reactive Extrusion: A Survey of Chemical Reactions of Monomers and Polymers during Extrusion Processing” Polymer Processing Institute, pp. 75-199, New York, 1992.
Hu, Flat, and Lambla, Reactive Modifiers for Polymers, Blackie Academic & Professional, entitled “Free-Radical Grafting of Monomers onto Polymers by Reactive Extrusion: Principles and Applications”, pp. 1-83, 1997.
Gaylord et al., Journal of Polymer Science: Polymer Letters Edition, Entitled “Nondegradative Reaction of Maleic Anhydride and Molten Polypropylene in the Presence of Peroxides” V21, pp. 23-30 (1983), New Jersey.
K. E. Russel et al., Journal of Polymer Science: Part A: Polymer Chemistry, entitled “Grafting of Maleic Anhydride ton-Eicosane”, Ontario, Canada, vol. 26, pp. 2273-2280 (1988).
Datta Sudhin
Schauder Jean-Roch H.
Asinovsky Olga
ExxonMobil Chemical Patents Inc.
Gulakowski Randy
LandOfFree
Articles made from graft-modified polymers based on novel... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Articles made from graft-modified polymers based on novel..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Articles made from graft-modified polymers based on novel... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3992623