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
2008-01-29
2008-01-29
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S186000
Reexamination Certificate
active
07323520
ABSTRACT:
The present invention relates to anti-aging agents based on organic compounds containing conjugated azadiene groups, which are capable of providing rubber vulcanizates with long-term protection against thermal aging, fatigue and aging as a result of the effects of oxygen. The anti-aging agents according to the present invention are further characterized in that they are hardly ever extracted from the vulcanizates by water, oils and/or gasolines or hydraulic fluids.
REFERENCES:
patent: 5965678 (1999-10-01), Becke et al.
patent: 2002/0006994 (2002-01-01), Laue et al.
patent: 1035262 (1966-07-01), None
Ullmanns Enzyklopädie der technischen Chemie, Verlag Chemie, Weinheim, 4thedition, vol. 8, (month unavailable) 1974, pp. 19-45, Dr. Werner Kurze, Dr. F. Faschig, “Antioxidantien”.
U.S Appl. No. 09/850,511, filed May 7, 2001 title: “Covulcanizable Anit-Aging Agents”.
Database CA ′Online! Chemical Abstracts Service, Columbus, Ohio, US; Sumitomo Chemical Co. Ltd., Japan: “N—(1-Methylalkylidene)arylamines” retrieved from STN Database accession No. 99:139477 XP002267366 Zusammenfassung -& JP 58 099454 A (Sumitomo Chemical Co., Ltd., Japan) Jun. 13, 1983.
Misra, Vinay S. et al: “Possible antituberculous compds. IX. Prepn. on benzylidene and benzyl derivs. of 4-aminodiphenylamine” J. Indian Chem. Soc. (1960), 37, 481-2, XP008025987 Seite 482, Tabelle I, S. No. 9.
Barmettler, Peter et al: “Acid-catalyzed ′3, 3! -sigmatropic rearrangements of N-propargylanilines” Helvetica Chimica Acta (1990), 73(6), 1515-73, XP008026042 Seite 1518: Verbindungen 16-19; Seite 1540: Verbindung 104.
Al-Dilaimi, Sobhi K. et al: “Apparent stability constants and thermodynamic functions of Cinnamylideneaniline Schiff base complexes with aluminum chloride” Thermochimica Acta (1986), 97, 267-70, XP008026038, Seite 268, Tabelle 1.
Harlan Robert D.
Kohncke Nicanor A.
LANXESS Deutschland GmbH
Seng Jennifer R.
LandOfFree
Anti-aging agents for rubber vulcanizates based on organic... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Anti-aging agents for rubber vulcanizates based on organic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-aging agents for rubber vulcanizates based on organic... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2774228