Poly(carbonates)
US4079038A · kind A · utility
173Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1976 |
| Grant date | Mar 14, 1978 |
| Priority date | — |
| Expiry date | Mar 5, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Poly(orthoester carbonates) and poly(orthocarbonate carbonates) having a repeating linear carbonate unit and a recurring symmetrical dioxycarbon moiety with a plurality of organic groups pendant from the carbon atom thereof are disclosed. The polymers are represented by the structural formula: ##STR1## WHEREIN A IS 0 TO 1, B IS 2 TO 6 WHEN A IS 0, B IS 2 TO 5 WHEN A IS 1, AND N IS GREATER THAN 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.