US3860674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds having peroxy and aliphatic azo groups and methods using these as initiators
Assignee: Pennwalt Corp
•
Filing: 1973-10-24
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Granted: 1975-01-14
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Expires: 1993-10-24
Abstract
Abstract I. Compounds having independent peroxidic (X) and aliphatic azo groups of the formula
Inventors
- 👤 Chester Stephen Sheppard
- 👤 Ronald Edward Macleay
- 👤 Richard Anthony Bafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:20
CPC Classifications
C; C07; C07C; C07C245/00; C07C245/02; C07C245/04; C07C247/00; C07C247/02; C07C247/04; C08; C08F; C08F293/00; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
52 words
FORMING A POLYMER HAVING PEROXY GROUPS PRESENT BY REACTING VINYL-TYPE MONOMER AND AN AZO-PEROXY COMPOUND UNDER VINYL POLYMERIZATION CONDITIONS, CONTROLLING THE CONDITIONS IN ORDER TO CAUSE THE AZO-CARBON LINKAGES TO RUPTURE PRIOR TO RUPTURE OF THE PEROXY-OXYGEN LINKAGES, SAID RUPTURE OF THE AZO-CARBON LINKAGES HAVING THE EFFECT OF INITIATING SAID POLYMERIZATION; AND
Claim 2
Dependent Claim
52 words
FORMING A POLYMER HAVING PEROXY GROUPS PRESENT BY REACTING VINYL-TYPE MONOMER AND AN AZO-PEROXY COMPOUND UNDER VINYL POLYMERIZATION CONDITIONS, CONTROLLING THE CONDITIONS IN ORDER TO CAUSE THE AZO-CARBON LINKAGES TO RUPTURE PRIOR TO RUPTURE OF THE PEROXY-OXYGEN LINKAGES, SAID RUPTURE OF THE AZO-CARBON LINKAGES HAVING THE EFFECT OF INITIATING SAID POLYMERIZATION; AND
Claim 3
Dependent Claim
51 words
FORMING A POLYMER HAVING AZO GROUPS PRESENT BY REACTING VINYL-TYPE MONOMER AND AN AZO-PEROXY COMPOUND UNDER VINYL POLYMERIZATION CONDITIONS, CONTROLLING CONDITIONS IN ORDER TO CAUSE THE PEROXYOXYGEN LINKAGES TO RUPTURE PRIOR TO RUPTURE OF THE AZO-CARBON LINKAGES, SAID RUPTURE OF THE PEROXY-OXYGEN LINKAGES HAVING THE EFFECT OF INITIATING SAID POLYMERIZATION; AND
Claim 4
Dependent Claim
51 words
FORMING A POLYMER HAVING AZO GROUPS PRESENT BY REACTING VINYL-TYPE MONOMER AND AN AZO-PEROXY COMPOUND UNDER VINYL POLYMERIZATION CONDITIONS, CONTROLLING CONDITIONS IN ORDER TO CAUSE THE PEROXYOXYGEN LINKAGES TO RUPTURE PRIOR TO RUPTURE OF THE AZO-CARBON LINKAGES, SAID RUPTURE OF THE PEROXY-OXYGEN LINKAGES HAVING THE EFFECT OF INITIATING SAID POLYMERIZATION; AND
Claim 5
Dependent Claim
9 words
REACTING STYRENE WITH AN INITIATING AMOUNT OF AN AZOPEROXIDE,
Claim 6
Dependent Claim
9 words
REACTING STYRENE WITH AN INITIATING AMOUNT OF AN AZOPEROXIDE,
Claim 7
Dependent Claim
13 words
REACTING A XYLENE SOLUTION OF STYRENE WITH AN INITIATING AMOUNT OF AN AZO-PEROXIDE,
Claim 8
Dependent Claim
13 words
REACTING A XYLENE SOLUTION OF STYRENE WITH AN INITIATING AMOUNT OF AN AZO-PEROXIDE,
Claim 9
Dependent Claim
25 words
REACTING A XYLENE SOLUTION OF METHYL METHACRYLATE AND THE PEROXIDE CONTAINING POLYSTYRENE OF STEP (1) IN A NITROGEN ATMOSPHERE AT 120*-129*C FOR ABOUT 8 HOURS.
Claim 10
Dependent Claim
25 words
REACTING A XYLENE SOLUTION OF METHYL METHACRYLATE AND THE PEROXIDE CONTAINING POLYSTYRENE OF STEP (1) IN A NITROGEN ATMOSPHERE AT 120*-129*C FOR ABOUT 8 HOURS.
Claim 11
Independent Claim
12 words
A METHOD OF PREPARING A POLYSTYRENE-POLY(METHYL METHACRYLATE) BLOCK COPOLYMER WHICH METHOD COMPRISES:
Claim 12
Independent Claim
12 words
A METHOD OF PREPARING A POLYSTYRENE-POLY(METHYL METHACRYLATE) BLOCK COPOLYMER WHICH METHOD COMPRISES:
Claim 13
Dependent Claim
21 words
REACTING METHYL METHACRYLATE WITH THE AZO CONTAINING POLYSTYRENE OF STEP (1) IN A NITROGEN ATMOSPHERE AT 75*C FOR ABOUT 7 HOURS.
Claim 14
Dependent Claim
21 words
REACTING METHYL METHACRYLATE WITH THE AZO CONTAINING POLYSTYRENE OF STEP (1) IN A NITROGEN ATMOSPHERE AT 75*C FOR ABOUT 7 HOURS.
Claim 15
Dependent Claim
34 words
REACTING VINYL-TYPE MONOMER WITH THE POLYMER OF STEP (1) UNDER CONDITIONS TO RUPTURE THE AZO-CARBON LINKAGES OF SAID STEP (1) POLYMER TO PRODUCE A BLOCK POLYMER PRODUCT, SAID AZO-PEROXY COMPOUND HAVING THE FORMULA: ((R-N=N-R'')M-X)N
Claim 16
Dependent Claim
34 words
REACTING VINYL-TYPE MONOMER WITH THE POLYMER OF STEP (1) UNDER CONDITIONS TO RUPTURE THE AZO-CARBON LINKAGES OF SAID STEP (1) POLYMER TO PRODUCE A BLOCK POLYMER PRODUCT, SAID AZO-PEROXY COMPOUND HAVING THE FORMULA: ((R-N=N-R'')M-X)N
Claim 17
Dependent Claim
34 words
REACTING VINYL-TYPE MONOMER WITH THE POLYMER OF STEP (1) UNDER CONDITIONS TO RUPTURE THE PEROXY-OXYGEN LINKAGES OF SAID STEP (1) POLYMER TO PRODUCE A BLOCK POLYMER PRODUCT, SAID AZO-PEROXY COMPOUND HAVING THE FORMULA: ((R-N=N-R'')M-X)N
Claim 18
Dependent Claim
34 words
REACTING VINYL-TYPE MONOMER WITH THE POLYMER OF STEP (1) UNDER CONDITIONS TO RUPTURE THE PEROXY-OXYGEN LINKAGES OF SAID STEP (1) POLYMER TO PRODUCE A BLOCK POLYMER PRODUCT, SAID AZO-PEROXY COMPOUND HAVING THE FORMULA: ((R-N=N-R'')M-X)N
Claim 19
Independent Claim
10 words
A METHOD OF PREPARING A BLOCK POLYMER WHICH METHOD COMPRISES:
Claim 20
Independent Claim
10 words
A METHOD OF PREPARING A BLOCK POLYMER WHICH METHOD COMPRISES:
Claim 21
Independent Claim
11 words
A METHOD OF PREPARING A POLYSTYRENE-POLY(METHYL METHACRYLATE) BLOCK COPOLYMER WHICH COMPRISES:
Claim 22
Independent Claim
11 words
A METHOD OF PREPARING A POLYSTYRENE-POLY(METHYL METHACRYLATE) BLOCK COPOLYMER WHICH COMPRISES:
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |