US3113114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Initiator systems for acrylic polymerizations
Assignee: EIDP Inc
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Filing: 1960-02-01
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Granted: 1963-12-03
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Maginn Robert Allen
- 👤 John William Van Dyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F2/00; C08F2/38; C08F265/00; C08F265/04; C08F265/06; C08F4/00; C08F4/28; C08F4/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A SYNERGISTIC INITIATOR SYSTEM FOR THE POLYMERIZATION OF PARTIALLY POLYMERIZED METHACRYLIC ACID ESTERS WHICH COMPRISES AN INITIATOR SYSTEM CONSISTING ESSENTIALLY OF FROM 20% TO 65% BENZOYL PEROXIDE, FROM 5% TO 40% OF A MEMBER OF THE GROUP CONSISTING OF TERT-BUTYL PERACETATE, TERT-BUTYL PERISOBUTYRATE, TERT-BUTYL PERPROPIONATE, TERTBUTYL PERCARBONATE AND TERT-BUTYL PERVALERATE, AND FROM 20% TO 60% METHYL ETHYL KETONE PEROXIDE.
Claim 2
Dependent Claim
59 words
A SYNERGISTIC INITIATOR SYSTEM FOR THE POLYMERIZATION OF PARTIALLY POLYMERIZED METHACRYLIC ACID ESTERS WHICH COMPRISES AN INITIATOR SYSTEM CONSISTING ESSENTIALLY OF FROM 20% TO 65% BENZOYL PEROXIDE, FROM 5% TO 40% OF A MEMBER OF THE GROUP CONSISTING OF TERT-BUTYL PERACETATE, TERT-BUTYL PERISOBUTYRATE, TERT-BUTYL PERPROPIONATE, TERTBUTYL PERCARBONATE AND TERT-BUTYL PERVALERATE, AND FROM 20% TO 60% METHYL ETHYL KETONE PEROXIDE.
Claim 3
Dependent Claim
53 words
A SYNERGISTIC INITIATOR SYSTEM FOR THE POLYMERIZATION OF PARTIALLY POLYMERIZED METHACRYLIC ACID ESTERS WHICH CONSIST ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF BENZOYL PEROXIDE AND LAUROYL PEROXIDE; COMBINED WITH METHYL ETHYL KETONE PEROXIDE; SAID METHYL ETHYL KETONE PEROXIDE SUPPLYING FROM 20 TO 50% OF THE TOTAL AMOUNT OF PEROXIDIC OXYGEN PRESENT.
Claim 4
Dependent Claim
53 words
A SYNERGISTIC INITIATOR SYSTEM FOR THE POLYMERIZATION OF PARTIALLY POLYMERIZED METHACRYLIC ACID ESTERS WHICH CONSIST ESSENTIALLY OF A MEMBER OF THE GROUP CONSISTING OF BENZOYL PEROXIDE AND LAUROYL PEROXIDE; COMBINED WITH METHYL ETHYL KETONE PEROXIDE; SAID METHYL ETHYL KETONE PEROXIDE SUPPLYING FROM 20 TO 50% OF THE TOTAL AMOUNT OF PEROXIDIC OXYGEN PRESENT.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |