PatentVote.com: Vote on your favourite invention!

Next ten patents ordered by date:
Translate:
En
De
Es
Fr
It
Pt
Ja
Ko
Zh 

 

Title: Copolyoxalamide from branched chain diamine

Abstract: Novel copolyoxalamides having the recurring unit ##STR1## are disclosed wherein R is a divalent aromatic radical and R.sub.1 is a divalent radical selected from the group consisting of 2,2,4- and 2,4,4-trimethylhexylene, ##STR2## and mixtures thereof. The novel copolyoxalamides are injection-moldable, thermoplastic materials which are characterized by good high temperature resistance and excellent resistance to oxidative degradation.


Do you think this is a good invention? Vote now:

 Votes so far: For:(0) Against:(0)
Other info:


Inventors: Chen, Augustin T. (Cheshire, CT, US)
Onder, Kemal B. (North Haven, CT, US)

Application Number: 928206
Filing Date: 1978-07-19
Publication_date: 1979-12-11
Assignee: The Upjohn Company (Kalamazoo, MI)
Primary Class(es): 528/340 524/607, 524/879, 528/173, 528/229, 528/337, 528/343, 528/347, 528/349
Other Classes:
US Patent Ref:
2945011Jul, 1960Caldwell et al.528/343.
3442869May, 1969Wolfes et al.528/349.
3516972Jun, 1970Wolfes et al.528/349.
3553289Jan, 1971Duxbury et al.528/343.

Other Refs:
Primary Examiner: Anderson, Harold D.
Assistant Examiner:
Attorney: Rose; James S., Firth; Denis A.