US4058508A
Expired / Lapsed
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Polymers containing urethane groups
Assignee: BASF SE
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Filing: 1975-11-17
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Granted: 1977-11-15
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Expires: 1995-11-17
Abstract
Abstract Polymers of which the side chains contain urethane groups and which have the reactivity of a urethane but can, in addition, contain other reactive groups. The new polymers may be used to produce moldings, coatings or adhesives.
Inventors
- 👤 Herbert Naarmann
- 👤 Heinz Pohlemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C08F20/36; C08F22/00; C08F22/10; C08F22/12; C08F22/22; C08F22/36; C08F22/38
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
65 words
A solid polymer which contains structural units of the formula ##STR6## in which R 1 is H or CH 3 , R 2 is H, COOR, COOM, CONHR or COXNH-COOR 3 , where M is a metal cation, X is CH 2 , ##STR7## n is from 1 to 50 and R is H, alkyl, cycloalkyl or aryl and R 3 is alkyl or cyclohexyl.
Claim 2
Dependent Claim
65 words
A solid polymer which contains structural units of the formula ##STR6## in which R 1 is H or CH 3 , R 2 is H, COOR, COOM, CONHR or COXNH-COOR 3 , where M is a metal cation, X is CH 2 , ##STR7## n is from 1 to 50 and R is H, alkyl, cycloalkyl or aryl and R 3 is alkyl or cyclohexyl.
Claim 3
Dependent Claim
31 words
A polymer as set forth in claim 1, where R 1 and R 2 are H, R 3 is C 2 H 5 and X is (CH 2 ) 2 .
Claim 4
Dependent Claim
34 words
A polymer as set forth in claim 1, where R 1 is CH 3 , R 2 is H, R 3 is C 2 H 5 and X is (CH 2 ) 3 .
Claim 5
Dependent Claim
34 words
A polymer as set forth in claim 1, where R 1 is H, R 2 is COOH, R 3 is CH 3 and X is CH 2 --C(CH 3 ) 2 --CH 2 .
Claim 6
Dependent Claim
35 words
A polymer as set forth in claim 1, where R 1 and R 2 are H, R 3 is C 6 H 11 and X is (CH 2 ) 2 --C(CH 3 ) 2 .
Claim 7
Dependent Claim
37 words
A polymer as set forth in claim 1, where R 1 and R 2 are H, R 3 is C 3 H 7 and X is C(CH 3 ) 2 --(CH 2 ) 3 --CH(CH 3 ).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |