US3264249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions of butadiene polymers used in medical applications
Assignee: Tanabe Pharma Corp
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Filing: 1962-04-02
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Granted: 1966-08-02
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Araki Chisato
- 👤 Handa Hajime
- 👤 Ohta Tomio
- 👤 Furukawa Junji
- 👤 Yamashita Shinzo
- 👤 Chihara Rokuro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:14
CPC Classifications
C; C09; C09J; C09J121/00; A; A61; A61L; A61L24/00; A61L24/04; A61L24/043; A61L24/06; C08; C08F; C08F279/00; C08F279/02; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/63; C08G18/635; C08G18/67; C08G18/69; C08K; C08K5/00; C08K5/02; C08K5/16; C08K5/29; C08K5/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, CYANOACRYLIC ACID, CYANOACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS, CYANOACRYLONITRILE, METHACRYLONITRILE, CYANOMETHAORYLIC ACID, CYANOMETHACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS AND CYANOMETHACRYLONITRILE; (2) A DIENE-TYPE POLYMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENEACRYLONITRILE COPOLYMER, NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, CHLOROPRENE POLYMER, ISOPRENE POLYMER AND ISOPRENE-ISOBUTYLENE COPOLYMER; (3) A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATE COMPOUNDS AND TRIISOCYANATE COMPOUNDS, AND (4) A MEMBER SELECTED FROM THE GROUP CONSISTING OF NITROMETHANE, TRICHLOROETHYLENE AND MIXTURES THEREOF, THE COMPOSITION BEING HOMOGENEOUS AND ANHYDROUS, THE RELATION BETWEEN THE COMPONENT AND THE COMPONENT (2) BEING 1:0.7-1.8 BY WEIGHT AND THE AMOUNT OF POLYISOCYANATE COMPOUND BEING FROM ABOUT 0.3% TO ABOUT 3% OF THE TOTAL AMOUNT OF THE COMPOSITION.
Claim 2
Dependent Claim
146 words
A COMPOSITION CONSISTING ESSENTIALLY OF (1) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, CYANOACRYLIC ACID, CYANOACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS, CYANOACRYLONITRILE, METHACRYLONITRILE, CYANOMETHAORYLIC ACID, CYANOMETHACRYLIC ACID LOWER ALKYL ESTERS WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 2 CARBON ATOMS AND CYANOMETHACRYLONITRILE; (2) A DIENE-TYPE POLYMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENEACRYLONITRILE COPOLYMER, NATURAL RUBBER, BUTADIENE-STYRENE COPOLYMER, CHLOROPRENE POLYMER, ISOPRENE POLYMER AND ISOPRENE-ISOBUTYLENE COPOLYMER; (3) A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIISOCYANATE COMPOUNDS AND TRIISOCYANATE COMPOUNDS, AND (4) A MEMBER SELECTED FROM THE GROUP CONSISTING OF NITROMETHANE, TRICHLOROETHYLENE AND MIXTURES THEREOF, THE COMPOSITION BEING HOMOGENEOUS AND ANHYDROUS, THE RELATION BETWEEN THE COMPONENT AND THE COMPONENT (2) BEING 1:0.7-1.8 BY WEIGHT AND THE AMOUNT OF POLYISOCYANATE COMPOUND BEING FROM ABOUT 0.3% TO ABOUT 3% OF THE TOTAL AMOUNT OF THE COMPOSITION.
References Cited (Backward Citations)
US3124136A
Cited
US2360867A
Cited
US2436222A
Cited
US2496267A
Cited
US2794788A
Cited
US2818865A
Cited
US2765332A
Cited
US2816093A
Cited
US2868756A
Cited
US2836181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |