Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Nitrogen-containing reactant
Reexamination Certificate
2011-07-12
2011-07-12
Truong, Duc (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Nitrogen-containing reactant
C528S398000, C528S480000, C528S500000, C528S503000, C264S230000, C264S232000
Reexamination Certificate
active
07977453
ABSTRACT:
The present invention relates to processes for hydrolyzing polyphosphoric acid in shaped articles.
REFERENCES:
patent: 3227793 (1966-01-01), Cipiani
patent: 3414645 (1968-12-01), Morgan, Jr.
patent: 3424720 (1969-01-01), Rudner et al.
patent: 3767756 (1973-10-01), Blades
patent: 3804804 (1974-04-01), Gerber et al.
patent: 3940955 (1976-03-01), Welsh
patent: 3996321 (1976-12-01), Weinberger
patent: 4002679 (1977-01-01), Arnold
patent: 4070431 (1978-01-01), Lewis et al.
patent: 4078034 (1978-03-01), Lewis
patent: 4079039 (1978-03-01), Gerber
patent: 4298565 (1981-11-01), Yang
patent: 4452971 (1984-06-01), Choe et al.
patent: 4533693 (1985-08-01), Wolfe et al.
patent: 4703103 (1987-10-01), Wolfe et al.
patent: 4772678 (1988-09-01), Sybert et al.
patent: 4845150 (1989-07-01), Kovak et al.
patent: 4847350 (1989-07-01), Harris
patent: 4898924 (1990-02-01), Chenevey et al.
patent: 4939235 (1990-07-01), Harvey et al.
patent: 4963428 (1990-10-01), Harvey et al.
patent: 5041522 (1991-08-01), Dang et al.
patent: 5089591 (1992-02-01), Gregory et al.
patent: 5168011 (1992-12-01), Kovar et al.
patent: 5276128 (1994-01-01), Rosenberg et al.
patent: 5367042 (1994-11-01), Pierini et al.
patent: 5393478 (1995-02-01), Sen et al.
patent: 5429787 (1995-07-01), Im et al.
patent: 5525638 (1996-06-01), Sen et al.
patent: 5552221 (1996-09-01), So et al.
patent: 5667743 (1997-09-01), Tai et al.
patent: 5674969 (1997-10-01), Sikkema et al.
patent: 5772942 (1998-06-01), Teramoto et al.
patent: 6228922 (2001-05-01), Wang et al.
patent: 7776246 (2010-08-01), Allen et al.
patent: 2003/0083421 (2003-05-01), Kumar et al.
patent: 2006/0019094 (2006-01-01), Lee
patent: 0 481 403 (1996-05-01), None
patent: 0 834 608 (2002-03-01), None
patent: 1 553 143 (2005-07-01), None
patent: 1 361 840 (1974-07-01), None
patent: 06-240596 (1994-08-01), None
patent: 09-78349 (1997-03-01), None
patent: WO 91/02764 (1991-03-01), None
patent: WO 94/12702 (1994-06-01), None
patent: WO 96/20303 (1996-07-01), None
patent: WO 99/27169 (1999-06-01), None
patent: WO2004/003080 (2004-01-01), None
patent: WO2004/003269 (2004-01-01), None
patent: WO2004/024797 (2004-02-01), None
patent: WO 2006/014718 (2006-02-01), None
patent: WO2006/105076 (2006-10-01), None
patent: WO2006/105225 (2006-10-01), None
patent: WO2006/105226 (2006-10-01), None
patent: WO2006/105231 (2006-10-01), None
Claims 1-2 and 4-11 of U.S. Appl. No. 11/909,947.
Claims 1-20 of U.S. Appl. No. 11/909,950.
Gerber, A.H., “Thermally stable polymers derived from 2,3,5,6-tetraaminopyridine,” J. of Polymer Science, 1973, 11, 1703-1719.
Lammers, M., et al., “Mechanical properties and structural transitions in the new rigid-rod polymer fibre PIPD (‘M5’) during the manufacturing process,” Elsevier Sci. Ltd., 1997, S0032-3861, 7 pages.
Sikkema, D.J., “Design, synthesis and properties of a novel rigid rod polymer, PIPD or ‘MS’: high modulus and tenacity fibers with substantial compressive strength,” Polymer, 1998, 39(24), 5981-5986.
E. I. Du Pont de Nemours and Company
Magellan Systems International, LLC
Truong Duc
Woodcock & Washburn LLP
LandOfFree
Processes for hydrolyzing polyphosphoric acid in shaped... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Processes for hydrolyzing polyphosphoric acid in shaped..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for hydrolyzing polyphosphoric acid in shaped... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2644063