US3030327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of a polyacrylate composition of reduced combustibility and product obtained thereby
Assignee: Roehm GmbH Darmstadt
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Filing: 1958-04-11
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Granted: 1962-04-17
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Expires: 1978-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ludwig J Hosch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:26
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/62; C08F2/00; C08F2/44; C08F20/02; C08F20/04; C08F20/06; C08F20/10; C08F20/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR THE PREPARATION OF A POLYACRYLATE COMPOSITION OF REDUCED COMBUSTIBILITY WHICH COMPRISES (1) ADDING TO A MONOMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) A MONOMERIC ACRYLATE AND (B) A MIXTURE OF A MONOMERIC ACRYLATE AND AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH FROM ABOUT 0.5% TO ABOUT 20% OF A PHOSPHORIC ACID BASED ON THE WEIGHT OF THE MONOMERIC MATERIAL, AND (2) HEATING THE RESULTING MIXTURE TO POLYMERIZE THE MONOMERIC MATERIAL AND THEREBY FORM A POLYACRYLATE HAVING THE PHOSPHORIC ACID INCORPORATED THEREIN.
Claim 2
Dependent Claim
85 words
A PROCESS FOR THE PREPARATION OF A POLYACRYLATE COMPOSITION OF REDUCED COMBUSTIBILITY WHICH COMPRISES (1) ADDING TO A MONOMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) A MONOMERIC ACRYLATE AND (B) A MIXTURE OF A MONOMERIC ACRYLATE AND AN ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH FROM ABOUT 0.5% TO ABOUT 20% OF A PHOSPHORIC ACID BASED ON THE WEIGHT OF THE MONOMERIC MATERIAL, AND (2) HEATING THE RESULTING MIXTURE TO POLYMERIZE THE MONOMERIC MATERIAL AND THEREBY FORM A POLYACRYLATE HAVING THE PHOSPHORIC ACID INCORPORATED THEREIN.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |