Patent US2898256A successfully refreshed from Google Patents.
US2898256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a vinylidene monomer and an unsaturated polyester containing an adduct of hexahalocyclopentadiene and article incorporated therewith
Assignee: Hooker Chemical Corp
•
Filing: 1958-09-05
•
Granted: 1959-08-04
•
Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Robitschek Paul
- 👤 Bean Claude Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:27
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10S521/00; Y10S521/907; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
106 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A COPOLYMERIZABLE LINEAR POLYESTER COMPRISED OF (1) A POLYHYDRIC ALCOHOL, (2) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE AND MIXTURES THEREOF, (3) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS, ACID ANHYDRIDES; ACID HALIDES AND ACID ESTERS CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (4) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS AND SATURATED ALIPHATIC POLYCARBOXYLIC ACID ANHYDRIDES; AND (B) AROMATIC POLYCARBOXYLIC ACIDS AND AROMATIC POLYCARBOXYLIC ACID ANHYDRIDES; AND (B) A POLYMERIZABLE MONOMER CONTAINING A CH2=C=GROUP.
Claim 2
Dependent Claim
106 words
A POLYMERIZABLE MIXTURE COMPRISING (A) A COPOLYMERIZABLE LINEAR POLYESTER COMPRISED OF (1) A POLYHYDRIC ALCOHOL, (2) AN ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, FLUORINE AND MIXTURES THEREOF, (3) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS, ACID ANHYDRIDES; ACID HALIDES AND ACID ESTERS CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (4) A POLYCARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) SATURATED ALIPHATIC POLYCARBOXYLIC ACIDS AND SATURATED ALIPHATIC POLYCARBOXYLIC ACID ANHYDRIDES; AND (B) AROMATIC POLYCARBOXYLIC ACIDS AND AROMATIC POLYCARBOXYLIC ACID ANHYDRIDES; AND (B) A POLYMERIZABLE MONOMER CONTAINING A CH2=C=GROUP.
Claim 3
Dependent Claim
33 words
A LAMINATED ARTICLE COMPRISING A PLURALITY OF SHEETS OF GLASS FIBROUS MATERIAL AN AS A BINDER THEREFOR, AN INSOLUBLE, INFUSIBLE, RESINOUS COMPOSITION RESULTING FROM THE POLYMERIZATION OF A COMPOSITION DEFINED IN CLAIM 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |