Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1981-08-19
1982-12-07
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528128, 528189, 528206, 528208, 528220, 528229, 528352, 528353, 549239, C08G 7310
Patent
active
043628591
ABSTRACT:
Novel polyimides, copolyimides and molding compositions are prepared from novel dianhydrides such as bicyclo[4.2.0]octane-2,5 diphenyl-7,8-dimethyl,3,4,7,8-tetracarboxylic dianhydride and bicyclo[4.2.0]octane-7,8-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride. The novel polyimides are useful as engineering plastics. The novel dianhydrides are useful for the preparation of the polyimides.
REFERENCES:
patent: 3468825 (1969-09-01), Flowers et al.
patent: 3639356 (1972-02-01), Bradshaw
patent: 3649596 (1972-03-01), Smith, Jr.
patent: 3856752 (1974-12-01), Bateman
patent: 4066622 (1978-01-01), Feinstein et al.
patent: 4142036 (1979-02-01), Feinstein et al.
patent: 4271079 (1981-06-01), Maeda et al.
patent: 4271288 (1981-06-01), Woo
Fields Ellis K.
Nimry Tayseer S.
Blumberg Gunar J.
Lee Lester L.
Magidson William H.
McClain William T.
Standard Oil Company (Indiana)
LandOfFree
Polyimides from bicyclo[4.2.0]octane-7,8-dimethyl-3,4,7,8-tetrac does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Polyimides from bicyclo[4.2.0]octane-7,8-dimethyl-3,4,7,8-tetrac, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyimides from bicyclo[4.2.0]octane-7,8-dimethyl-3,4,7,8-tetrac will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1904142