Alkylated PANA and DPA compositions

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic nitrogen compound

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

08030259

ABSTRACT:
The invention relates to a composition comprising a mixture of alkylated N-α-naphthyl-Nphenylamine (PANA) and alkylated diphenylamine (DPA), the product obtainable by alkylating PANA or a mixture of PANA and DPA with alkenes and the process for alkylating PANA or a mixture of PANA and DPA with alkenes. The compositions according to the present invention have an outstanding anti-oxidative action, which can be demonstrated by established test methods.

REFERENCES:
patent: 2530769 (1950-11-01), Hollis
patent: 2943112 (1960-06-01), Popoff et al.
patent: 3944492 (1976-03-01), Wheeler
patent: 5186852 (1993-02-01), Ishida et al.
patent: 6315925 (2001-11-01), Aebli et al.
patent: 6410490 (2002-06-01), Reyes-Gavilan et al.
patent: 2002/0065201 (2002-05-01), Ribeaud et al.
patent: 2010/0099589 (2010-04-01), Ryan et al.
patent: 0387979 (1990-09-01), None
patent: 0606863 (1994-07-01), None
patent: 2055763 (2009-06-01), None
patent: 2832417 (2003-05-01), None
patent: 2384245 (2003-07-01), None
patent: 157121 (1991-05-01), None
patent: 2005097728 (2005-10-01), None
patent: 2010017030 (2010-02-01), None
English Language Abstract for EP 0606863, Jul. 20, 1994.
Patent Abstracts of Japan Publication No. 62181396, Aug. 8, 1987.
P. Sniegoski, Journal of chromatographic Science, vol. 15, Aug. 1977, pp. 328-329.
English language translation of Abstraction of FR Publication No. 2832417 from European Patent Office; dated Dec. 20, 2010; 1 page.
“Aminic & Phenolic Antioxidants—Synergistic or Antagonistic?”, STLE Session 2C—Lubrication Fundamentals II; by D. Chasan, S. Dargar, and P. Rabbat; Ciba Corporation; May 19, 2008.
Novel Compostion of Para-Butylated and Octylated, Ortho-Ethylated Diphenylamines, Jul. 5, 1985.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Alkylated PANA and DPA compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Alkylated PANA and DPA compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alkylated PANA and DPA compositions will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4286435

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.