|
US2734043A
(en)
*
|
|
1956-02-07 |
|
Solutions of polypyrrolidone |
|
US2734004A
(en)
*
|
1952-08-25 |
1956-02-07 |
|
Water soluble n-methylol polypyrroli- |
|
US2711398A
(en)
*
|
1953-02-24 |
1955-06-21 |
Arnold Hoffman & Co Inc |
Anhydrous formic acid solutions of polypyrrolidone
|
|
US2809958A
(en)
*
|
1953-02-24 |
1957-10-15 |
Gen Aniline & Film Corp |
Polymerization procedures for 2-pyrrolidone
|
|
US2891038A
(en)
*
|
1953-09-01 |
1959-06-16 |
Gen Aniline & Film Corp |
Polymerization procedures
|
|
US2727017A
(en)
*
|
1954-03-05 |
1955-12-13 |
Olin Mathieson |
Polymerization of caprolactam
|
|
US2894925A
(en)
*
|
1954-06-24 |
1959-07-14 |
B B Chem Co |
Polyethylene containing adhesive
|
|
US2958677A
(en)
*
|
1955-05-10 |
1960-11-01 |
Phillips Petroleum Co |
Purification of polymers of the polyamide type
|
|
GB863859A
(en)
*
|
1956-07-23 |
1961-03-29 |
Monsanto Chemicals |
Polymerisation of lactams
|
|
CA607225A
(en)
*
|
1956-12-13 |
1960-10-18 |
H. Mottus Edward |
Polycaprolactam and preparation thereof
|
|
DE1183680B
(de)
*
|
1957-01-18 |
1964-12-17 |
Basf Ag |
Verfahren zur Herstellung von Polymerisationsprodukten aus Lactamen mit sechs und mehr Ringgliedern
|
|
DE1109879B
(de)
*
|
1957-11-08 |
1961-06-29 |
Minnesota Mining & Mfg |
Verfahren zum Stabilisieren von Polypyrrolidon
|
|
US3052654A
(en)
*
|
1957-11-08 |
1962-09-04 |
Minnesota Mining & Mfg |
Stabilized polypyrrolidone
|
|
US3075953A
(en)
*
|
1958-01-27 |
1963-01-29 |
Minnesota Mining & Mfg |
Catalytic polymerization of pyrrolidone
|
|
US3017393A
(en)
*
|
1958-01-27 |
1962-01-16 |
Minnesota Mining & Mfg |
Stabilization of polymers of pyrrolidone
|
|
US3072615A
(en)
*
|
1958-02-03 |
1963-01-08 |
Minnesota Mining & Mfg |
Polypyrrolidone stabilization
|
|
US2973343A
(en)
*
|
1958-03-03 |
1961-02-28 |
Minnesota Mining & Mfg |
Pyrrolidone polymerization
|
|
DE1202487B
(de)
*
|
1958-03-26 |
1965-10-07 |
Minnesota Mining & Mfg |
Aus der Schmelze verpressbare Polyamidform-massen aus Polypyrrolidon
|
|
US3009893A
(en)
*
|
1958-03-26 |
1961-11-21 |
Minnesota Mining & Mfg |
Extrudable polypyrrolidone compositions and process of extruding same
|
|
US3040004A
(en)
*
|
1958-04-04 |
1962-06-19 |
Gen Aniline & Film Corp |
N-iminopyrrolidones and polymers therefrom
|
|
DE1197227B
(de)
*
|
1958-04-09 |
1965-07-22 |
Minnesota Mining & Mfg |
Verfahren zur Herstellung von Polypyrrolidon mit verbesserter Waermestabilitaet
|
|
NL301969A
(US07122603-20061017-C00294.png)
*
|
1958-04-16 |
|
|
|
|
NL243723A
(US07122603-20061017-C00294.png)
*
|
1958-09-25 |
|
|
|
|
US3042647A
(en)
*
|
1959-04-09 |
1962-07-03 |
Monsanto Chemicals |
Composition consisting of polypyrrolidone and a chlorinated phenol and process for preparing same
|
|
US3033813A
(en)
*
|
1959-06-22 |
1962-05-08 |
Gen Aniline & Film Corp |
Mixtures of acrylonitrile polymers with polypyrrolidone and fiber made from same
|
|
US3076774A
(en)
*
|
1959-09-21 |
1963-02-05 |
Monsanto Chemicals |
Solution of polypyrrolidone in superheated water
|
|
US3097181A
(en)
*
|
1959-11-24 |
1963-07-09 |
Gen Aniline & Film Corp |
Composition comprising polypyrrolidone and another polyamide
|
|
NL266091A
(US07122603-20061017-C00294.png)
*
|
1960-06-22 |
1900-01-01 |
|
|
|
US3185677A
(en)
*
|
1960-07-08 |
1965-05-25 |
Minnesota Mining & Mfg |
Sulfonyl azetidinone compounds
|
|
DE1143814B
(de)
*
|
1961-01-11 |
1963-02-21 |
Minnesota Mining & Mfg |
Verfahren zur Reinigung von 2-Pyrrolidon
|
|
US3890280A
(en)
*
|
1969-04-07 |
1975-06-17 |
Chevron Res |
Polymerization of 2-pyrrolidone with alkali metal bicarbonate as catalyst
|
|
DE2230732C3
(de)
*
|
1972-06-23 |
1982-03-25 |
Bayer Ag, 5090 Leverkusen |
Verfahren zur Herstellung von Polyamiden durch die Polymerisation von Lactamen und Katalysatorlösungen hierfür
|
|
US4125523A
(en)
*
|
1975-06-11 |
1978-11-14 |
Chevron Research Company |
Catalyst for polymerization of 2-pyrrolidone
|
|
US4075182A
(en)
*
|
1975-08-25 |
1978-02-21 |
Chevron Research Company |
Process for the preparation of a catalyst containing pyrrolidone composition
|
|
US4098774A
(en)
*
|
1976-05-19 |
1978-07-04 |
Chevron Research Company |
Quaternary ammonium catalyst system for the polymerization of 2-pyrrolidone
|
|
US4174366A
(en)
*
|
1977-03-28 |
1979-11-13 |
Chevron Research Company |
Method of making reinforced concrete
|
|
US4217442A
(en)
*
|
1978-04-24 |
1980-08-12 |
Barnes Arthur C |
Polymerization of 2-pyrrolidone with alkali metal pyrrolidonates and certain quaternary ammonium salts
|
|
US4269665A
(en)
*
|
1979-05-17 |
1981-05-26 |
Barnes Carl E |
Drying quaternary ammonium compounds
|
|
US4247683A
(en)
*
|
1979-10-15 |
1981-01-27 |
Barnes Carl E |
Polymerization of 2-pyrrolidone with quaternary ammonium accelerator by recovering and reusing same
|
|
US4268660A
(en)
*
|
1979-10-15 |
1981-05-19 |
Barnes Carl E |
Accelerated polymerization of 2-pyrrolidone
|
|
US4247684A
(en)
*
|
1979-10-15 |
1981-01-27 |
Barnes Carl E |
Polymerization of 2-pyrrolidone with cesium or rubidium catalyst
|
|
US4281105A
(en)
*
|
1979-12-17 |
1981-07-28 |
Barnes Carl E |
Formation of particulate polypyrrolidone
|
|
US4247685A
(en)
*
|
1980-01-21 |
1981-01-27 |
Barnes Carl E |
Continuous bulk polymerization of 2-pyrrolidone
|
|
US5051256A
(en)
*
|
1988-02-16 |
1991-09-24 |
Barnes Carl E |
Biocidal complex and dressing formed therefrom
|
