US3914337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyblends comprising S-A copolymer and graft copolymer of S-A-acrylate onto a diene rubber
Assignee: Standard Oil Co
•
Filing: 1973-05-02
•
Granted: 1975-10-21
•
Expires: 1993-05-02
Abstract
Abstract Clear, impact-resistant polymers having low permeability to gases and vapors are prepared by blending a resinous copolymer of acrylonitrile and styrene with a copolymer of acrylonitrile, styrene, and an acrylate ester prepared in the presence of a diene elastomer.
Inventors
- 👤 Brandford E Giddings
- 👤 Irving Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:03
CPC Classifications
C; C08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08F; C08F220/00; C08F220/02; C08F220/42; C08F279/00; C08F279/02; C08L51/00; C08L51/04; Y; Y10; Y10S; Y10S525/00; Y10S525/942
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
19 words
THE POYMERIC COMPOSITION RESULTING FROM BLENDING A. A POLYMER RESULTING FROM THE POLYMERIZATION OF A MONOMER COMPONENT CONSISTING OF
Claim 2
Dependent Claim
19 words
THE POYMERIC COMPOSITION RESULTING FROM BLENDING A. A POLYMER RESULTING FROM THE POLYMERIZATION OF A MONOMER COMPONENT CONSISTING OF
Claim 3
Dependent Claim
16 words
FROM ABOUT 70 TO 90% BY WEIGHT OF AN ALPHA, BETAOLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 4
Dependent Claim
16 words
FROM ABOUT 70 TO 90% BY WEIGHT OF AN ALPHA, BETAOLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 5
Dependent Claim
15 words
FROM 50 TO 90% BY WEIGHT OF A ALPHA, BETA-OLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 6
Dependent Claim
15 words
FROM 50 TO 90% BY WEIGHT OF A ALPHA, BETA-OLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 7
Dependent Claim
31 words
FROM 10 TO 30% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF (1) AND (2) OF STYRENE WITH B. A POLYMER RESULTING FROM THE POLYMERIZATION OF 100 PARTS BY WEIGHT OF
Claim 8
Dependent Claim
31 words
FROM 10 TO 30% BY WEIGHT BASED ON THE COMBINED WEIGHTS OF (1) AND (2) OF STYRENE WITH B. A POLYMER RESULTING FROM THE POLYMERIZATION OF 100 PARTS BY WEIGHT OF
Claim 9
Dependent Claim
9 words
FROM 1 TO 35% BY WEIGHT OF STYRENE, AND
Claim 10
Dependent Claim
9 words
FROM 1 TO 35% BY WEIGHT OF STYRENE, AND
Claim 11
Dependent Claim
10 words
The composition of claim 1 wherein (A) (1) is acrylonitrile.
Claim 12
Dependent Claim
35 words
from 10 to 30% by weight based on the combined weights of (1) and (2) of styrene with B. a polymer resulting from the polymerization in an aqueous medium of 100 parts by weight of
Claim 13
Dependent Claim
35 words
from 10 to 30% by weight based on the combined weights of (1) and (2) of styrene with B. a polymer resulting from the polymerization in an aqueous medium of 100 parts by weight of
Claim 14
Dependent Claim
31 words
from 10 to 30% by weight based on the combined weights of (1) and (2) of styrene with B. a polymer resulting from the polymerization of 100 parts by weight of
Claim 15
Dependent Claim
31 words
from 10 to 30% by weight based on the combined weights of (1) and (2) of styrene with B. a polymer resulting from the polymerization of 100 parts by weight of
Claim 16
Dependent Claim
9 words
from 1 to 35% by weight of styrene, and
Claim 17
Dependent Claim
9 words
from 1 to 35% by weight of styrene, and
Claim 18
Dependent Claim
9 words
from 1 to 35% by weight of styrene, and
Claim 19
Dependent Claim
9 words
from 1 to 35% by weight of styrene, and
Claim 20
Dependent Claim
18 words
from 2 to 29% by weight of an ester of an olefinically unsaturated carboxylic acid having the structure
Claim 21
Dependent Claim
18 words
from 2 to 29% by weight of an ester of an olefinically unsaturated carboxylic acid having the structure
Claim 22
Dependent Claim
18 words
from 2 to 29% by weight of an ester of an olefinically unsaturated carboxylic acid having the structure
Claim 23
Dependent Claim
18 words
from 2 to 29% by weight of an ester of an olefinically unsaturated carboxylic acid having the structure
Claim 24
Dependent Claim
10 words
The composition of claim 2 wherein (B) (1) is acrylonitrile.
Claim 25
Dependent Claim
18 words
FROM 2 TO 29% BY WEIGHT OF AN ESTER OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID HVING THE STRUCTURE
Claim 26
Dependent Claim
18 words
FROM 2 TO 29% BY WEIGHT OF AN ESTER OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID HVING THE STRUCTURE
Claim 27
Dependent Claim
35 words
A RUBBERY COPOLYMER OF A CONJUGATED DIENE MONOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE AND ISOPRENE AND AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AN OLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 28
Dependent Claim
35 words
A RUBBERY COPOLYMER OF A CONJUGATED DIENE MONOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE AND ISOPRENE AND AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF AN OLEFINICALLY UNSATURATED MONONITRILE HAVING THE STRUCTURE
Claim 29
Dependent Claim
35 words
a rubbery copolymer of a conjugated diene monomer selected from the group consisting of butadiene and isoprene and at least one member selected from the group consisting of an olefinically unsaturated mononitrile having the structure
Claim 30
Dependent Claim
35 words
a rubbery copolymer of a conjugated diene monomer selected from the group consisting of butadiene and isoprene and at least one member selected from the group consisting of an olefinically unsaturated mononitrile having the structure
Claim 31
Dependent Claim
11 words
The composition of claim 3 wherein (B) (3) is methyl acrylate.
Claim 32
Dependent Claim
35 words
a rubbery copolymer of a conjugated diene monomer selected from the group consisting of butadiene and isoprene and at least one member selected from the group consisting of an olefinically unsaturated mononitrile having the structure
Claim 33
Dependent Claim
35 words
a rubbery copolymer of a conjugated diene monomer selected from the group consisting of butadiene and isoprene and at least one member selected from the group consisting of an olefinically unsaturated mononitrile having the structure
Claim 34
Dependent Claim
14 words
The composition of claim 4 wherein (B) (4) is a rubbery copolymer of butadiene.
Claim 35
Dependent Claim
21 words
The process comprising blending A. a polymer resulting from the polymerization in an aqueous medium of a monomer component consisting of
Claim 36
Dependent Claim
21 words
The process comprising blending A. a polymer resulting from the polymerization in an aqueous medium of a monomer component consisting of
Claim 37
Dependent Claim
9 words
The process of claim 6 wherein (A)(1) is acrylonitrile.
Claim 38
Dependent Claim
9 words
The process of claim 7 wherein (B)(1) is acrylonitrile.
Claim 39
Dependent Claim
10 words
The process of claim 8 wherein (B)(3) is methyl acrylate.
Claim 40
Dependent Claim
13 words
The process of claim 9 wherein (B)(4) is a rubbery copolymer of butadiene.
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) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |