Patent US3284232A successfully refreshed from Google Patents.
US3284232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped objects of a crystalline polyester coated with a hydrophilic polymer composition
Assignee: Eastman Kodak Co
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Filing: 1961-04-21
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Granted: 1966-11-08
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:57
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/044; C08J7/056; C08J2467/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A COATED OBJECT COMPRISING (A) A SHAPED OBJECT CONSISTING ESSENTIALLY OF A HIGH-MELTING CRYSTALLINE LINEAR POLYESTER SELECTED FROM THE GROUP CONSISTING OF BISPHENOL POLYCARBONATES AND POLYESTERS OF (A) DIOLS AND (B) DICARBOXYLIC BIFUNCTIONAL COMPOUNDS CONSISTING ESSENTIALLY OF HEXACARBOCYCLIC NUCLEARLY ATTACHED DICARBOXYLIC BIFUNCTIONAL COMPOUNDS WHEREIN THE CARBOXY RADICALS ARE NUCLEARLY SITUATED IN A PARA RELATIONSHIP, AND (B) A RESIN COATING ON SAID SHAPED OBJECT HAVING A COMPOSITION CONSISTING ESSENTIALLY OF (B1) FROM ABOUT 80 TO 60% BY WEIGHT OF A CURED UNSATURATED POLYESTER RESIN OF A POLYHYDRIC ALCOHOL CONSTITUENT AND A POLYCARBOXYLIC ACID CONSTITUENT, OF WHICH ANY UNSATURATED ACID CONSTITUENT CONSTITUTES AT LEAST 30 MOL PERCENT OF SUCH ACID AND ANY UNSATURATED ALCOHOL CONSTITUENT CONSTITUTES AT LEAST 40 MOL PERCENT OF SUCH ALCOHOL, AND (B2) FROM ABOUT 20 TO 40% BY WEIGHT OF AT LEAST ONE OF THE FOLLOWING ADJUVANTS SELECTED FROM THE GROUP CONSISTING OF: (A) A PREFORMED HYDROPHILIC ADDITION POLYMER DERIVED FROM AT LEAST ONE OLEFINICALLY UNSATURATED MONOMER CONTAINING A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF A CARBOXY GROUP, A TERTIARY AMINE GROUP AND AN AMIDE GROUP, SAID POLYMER, OTHER THAN FOR SAID FUNCTIONAL GROUPS, BEING ESSENTIALLY COMPOSED OF CARBON AND HYDROGEN ATOMS, AND (B) AN INERT PIGMENT.
Claim 2
Dependent Claim
201 words
A COATED OBJECT COMPRISING (A) A SHAPED OBJECT CONSISTING ESSENTIALLY OF A HIGH-MELTING CRYSTALLINE LINEAR POLYESTER SELECTED FROM THE GROUP CONSISTING OF BISPHENOL POLYCARBONATES AND POLYESTERS OF (A) DIOLS AND (B) DICARBOXYLIC BIFUNCTIONAL COMPOUNDS CONSISTING ESSENTIALLY OF HEXACARBOCYCLIC NUCLEARLY ATTACHED DICARBOXYLIC BIFUNCTIONAL COMPOUNDS WHEREIN THE CARBOXY RADICALS ARE NUCLEARLY SITUATED IN A PARA RELATIONSHIP, AND (B) A RESIN COATING ON SAID SHAPED OBJECT HAVING A COMPOSITION CONSISTING ESSENTIALLY OF (B1) FROM ABOUT 80 TO 60% BY WEIGHT OF A CURED UNSATURATED POLYESTER RESIN OF A POLYHYDRIC ALCOHOL CONSTITUENT AND A POLYCARBOXYLIC ACID CONSTITUENT, OF WHICH ANY UNSATURATED ACID CONSTITUENT CONSTITUTES AT LEAST 30 MOL PERCENT OF SUCH ACID AND ANY UNSATURATED ALCOHOL CONSTITUENT CONSTITUTES AT LEAST 40 MOL PERCENT OF SUCH ALCOHOL, AND (B2) FROM ABOUT 20 TO 40% BY WEIGHT OF AT LEAST ONE OF THE FOLLOWING ADJUVANTS SELECTED FROM THE GROUP CONSISTING OF: (A) A PREFORMED HYDROPHILIC ADDITION POLYMER DERIVED FROM AT LEAST ONE OLEFINICALLY UNSATURATED MONOMER CONTAINING A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF A CARBOXY GROUP, A TERTIARY AMINE GROUP AND AN AMIDE GROUP, SAID POLYMER, OTHER THAN FOR SAID FUNCTIONAL GROUPS, BEING ESSENTIALLY COMPOSED OF CARBON AND HYDROGEN ATOMS, AND (B) AN INERT PIGMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |