Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Continuous or indefinite length
Patent
1997-07-31
1999-11-02
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Continuous or indefinite length
264 17, 264 19, 26417312, 26417315, 264216, B29D 1100, B29C 4706
Patent
active
059764244
ABSTRACT:
A method for making multilayer optical films is provided in which the degradation of the optical extinction of the thinnest optical layers is avoided by casting these layers close to the casting wheel.
REFERENCES:
patent: Re34605 (1994-05-01), Schrenk et al.
patent: 3051452 (1962-08-01), Nobel
patent: 3051453 (1962-08-01), Sluijters
patent: 3182965 (1965-05-01), Sluijters
patent: 3195865 (1965-07-01), Harder
patent: 3308508 (1967-03-01), Schrenk
patent: 3315306 (1967-04-01), Ladner et al.
patent: 3321804 (1967-05-01), Breidt, Jr. et al.
patent: 3327349 (1967-06-01), Lennox
patent: 3334382 (1967-08-01), Lefevre
patent: 3397428 (1968-08-01), Donald
patent: 3399105 (1968-08-01), Breidt, Jr. et al.
patent: 3400190 (1968-09-01), Donald
patent: 3415920 (1968-12-01), Lee et al.
patent: 3423498 (1969-01-01), Lefevre
patent: 3442755 (1969-05-01), Walters et al.
patent: 3448183 (1969-06-01), Chisholm
patent: 3479425 (1969-11-01), Lefevre et al.
patent: 3480502 (1969-11-01), Schrenk
patent: 3487505 (1970-01-01), Chisholm et al.
patent: 3511903 (1970-05-01), Glass et al.
patent: 3549405 (1970-12-01), Schrenk et al.
patent: 3555128 (1971-01-01), Schrenk
patent: 3557265 (1971-01-01), Chisholm et al.
patent: 3565985 (1971-02-01), Schrenk et al.
patent: 3576707 (1971-04-01), Schrenk et al.
patent: 3579416 (1971-05-01), Schrenk
patent: 3610729 (1971-10-01), Rogers
patent: 3645837 (1972-02-01), Chisholm et al.
patent: 3647612 (1972-03-01), Schrenk et al.
patent: 3687589 (1972-08-01), Schrenk
patent: 3711176 (1973-01-01), Alfrey, Jr. et al.
patent: 3716612 (1973-02-01), Schrenk et al.
patent: 3737263 (1973-06-01), Schrenk et al.
patent: 3743459 (1973-07-01), Schrenk et al.
patent: 3759647 (1973-09-01), Schrenk et al.
patent: 3773882 (1973-11-01), Schrenk
patent: 3801429 (1974-04-01), Schrenk et al.
patent: 3847585 (1974-11-01), Chisholm
patent: 3860036 (1975-01-01), Newman, Jr.
patent: 3860372 (1975-01-01), Newman, Jr.
patent: 3884606 (1975-05-01), Schrenk
patent: 3924990 (1975-12-01), Schrenk
patent: 4094947 (1978-06-01), Alfrey, Jr. et al.
patent: 4162343 (1979-07-01), Wilcox et al.
patent: 4310584 (1982-01-01), Cooper et al.
patent: 4393194 (1983-07-01), Gaudiana et al.
patent: 4446305 (1984-05-01), Rogers et al.
patent: 4520189 (1985-05-01), Rogers et al.
patent: 4521588 (1985-06-01), Rogers et al.
patent: 4525413 (1985-06-01), Rogers et al.
patent: 4540623 (1985-09-01), Im et al.
patent: 4627138 (1986-12-01), Im
patent: 4636442 (1987-01-01), Beavers et al.
patent: 4643927 (1987-02-01), Luecke et al.
patent: 4661303 (1987-04-01), Chum et al.
patent: 4756953 (1988-07-01), Utsumi
patent: 4797308 (1989-01-01), Mattin
patent: 4799772 (1989-01-01), Utsumi
patent: 4824882 (1989-04-01), Nakamura et al.
patent: 4873037 (1989-10-01), Chau et al.
patent: 4874568 (1989-10-01), Chau et al.
patent: 4895769 (1990-01-01), Land et al.
patent: 4937134 (1990-06-01), Schrenk et al.
patent: 4963304 (1990-10-01), Im et al.
patent: 4965135 (1990-10-01), Im et al.
patent: 5059356 (1991-10-01), Nakamura et al.
patent: 5077121 (1991-12-01), Harrison et al.
patent: 5089318 (1992-02-01), Shetty et al.
patent: 5094788 (1992-03-01), Schrenk et al.
patent: 5094793 (1992-03-01), Schrenk et al.
patent: 5095210 (1992-03-01), Wheatley et al.
patent: 5103337 (1992-04-01), Schrenk et al.
patent: 5122905 (1992-06-01), Wheatley et al.
patent: 5122906 (1992-06-01), Wheatley et al.
patent: 5126880 (1992-06-01), Wheatley et al.
patent: 5149578 (1992-09-01), Wheatley et al.
patent: 5202074 (1993-04-01), Schrenk et al.
patent: 5217794 (1993-06-01), Schrenk
patent: 5233465 (1993-08-01), Wheatley et al.
patent: 5234729 (1993-08-01), Wheatley et al.
patent: 5269995 (1993-12-01), Ramanathan et al.
patent: 5278694 (1994-01-01), Wheatley et al.
patent: 5316703 (1994-05-01), Schrenk
patent: 5339198 (1994-08-01), Wheatly et al.
patent: 5360659 (1994-11-01), Arends et al.
patent: 5389324 (1995-02-01), Lewis et al.
patent: 5424119 (1995-06-01), Phillips et al.
patent: 5448404 (1995-09-01), Schrenk et al.
patent: 5451449 (1995-09-01), Shetty et al.
patent: 5486949 (1996-01-01), Schrenk et al.
patent: 5540978 (1996-07-01), Schrenk
patent: 5552927 (1996-09-01), Wheatly et al.
patent: 5568316 (1996-10-01), Schrenk et al.
patent: 5759467 (1998-06-01), Carter et al.
patent: 5783120 (1998-07-01), Ouderkirk et al.
Schrenk, W. et al., "Coextruded Elastomeric Optical Interference Film", SPE Annual Technical Conference, Atlanta, GA, pp. 1703-1707 (1988).
Schrenk, W. et al., "Coextruded Infrared Reflecting Films", 7th Annual Meeting Polymer Processing Society, Hamilton, Ontario, Canada, pp. 222-223 (Apr. 1991).
Schrenk, W. et al., "Coextruded Iridescent Film", TAPPI Paper Synthetics Conference, Atlanta, Georgia, pp. 141-145 (Sep. 27-29 1976).
Im, J. et al., "Coextruded Microlayer Film and Sheet", Journal of Plastic Film and Sheeting, vol. 4, pp. 104-115 (Apr., 1988).
Schrenk et al., "Coextruded Multilayer Polymer Films and Sheet", Chapt. 15, Polymer Blends, vol. 2, 129, Academic Press, Inc. (1978).
Hodgkinson, I. et al., "Effective Principal Refractive Indices and Column Angles for Periodic Stacks of Thin Birefringent Films", J. Opt. Soc. Am. A, vol. 10, No. 9, pp. 2065-2071 (1993).
Pollock, et al., "Interdiffusion in Microlayered Polymer Composites of Polycarbonate and a Copolyester", Journal of App. Polymer Science, vol. 52, pp. 163-176 (1994).
Schrenk et al., "Interfacial Flow Instability in Mulilayer Coextrusion", Polymer Engineering and Science, vol. 18 (8), pp. 620-623 (Jun. 1978).
Schrenk, W., "New Developments in Coextrusion", International Conference on Advances In Polymer Processing, New Orleans, Louisiana, (Apr., 1991).
Alfrey, Jr. et al., "Physical Optics of Iridescent Multilayered Plastic Films", Polymer Engineering and Science,, vol. 9, No. 6, pp. 400-404 (Nov. 1969).
Radford et al., "Reflectivity of Iridescent Coextruded Multilayered Plastic Films," Polymer Engineering and Science, vol. 13, No. 3, (May 1973); Dow Chemical Co., American Chemical Society Symposium on Coextruded Plastic Films, Fibers, Composites, Apr. 9-14, 1972.
Merrill William W.
Ouderkirk Andrew J.
Stover Carl A.
Weber Michael F.
Fortkort John A.
Minnesota Mining and Manufacturing Company
Vargot Mathieu D.
LandOfFree
Method for making multilayer optical films having thin optical l does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for making multilayer optical films having thin optical l, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for making multilayer optical films having thin optical l will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2130678