Bruce Lynn Newman

US Patent:

50284622, Jul 2, 1991

Filed:

Jul 21, 1989

Appl. No.:

7/383186

Inventors:

John D. Matlack - Lilburn GA
James G. Villanueva - Snellville GA
Bruce A. Newman - Snellville GA
Lawrence D. Lillwitz - Glen Ellyn IL
Melvin L. Luetkens - Batavia IL

Assignee:

Amoco Corporation - Chicago IL

International Classification:

B65D 102
B32B 2734

US Classification:

428 357

Abstract:

Plastic bottles and a process for producing same in which at least one layer comprises a polyamide composition comprising isophthalic acid, terephthalic acid, adipic acid, metaxylylenediamine and hexamethylenediamine moieties in a molar ratio of about 49. 5-0. 5/0-20/0. 5-49. 5/0. 5-50/49. 5-0.

US Patent:

51752387, Dec 29, 1992

Filed:

Aug 30, 1990

Appl. No.:

7/575070

Inventors:

John D. Matlack - Lilburn GA
James G. Villanueva - Snellville GA
Bruce A. Newman - Snellville GA
Lawrence D. Lillwitz - Glen Ellyn IL
Melvin L. Luetkens - Batavia IL
Gregory E. Schmidt - Batavia IL

Assignee:

Amoco Corporation - Chicago IL

International Classification:

C08G 6926

US Classification:

528339

Abstract:

A polyamide composition comprising the following recurring units: ##STR1## in proportions such that the mole ratio of the dicarboxylic acid moieties in the A, B and C units is about 49. 5-0. 5/0-20/0. 5-49. 5 and wherein R is a divalent radical comprising ##STR2## in a mole ratio of about 0. 5-50/49. 5-0 and preferably having a glass transition temperature of 90. degree. C. or greater and an oxygen transmission rate of about 2. 0 cc-mil/100 in. sup. 2 -day-atm or less.