Inventor
ROGERS HOWARD G
US35 patents
⚠️ This page may combine multiple inventors who share the name “ROGERS HOWARD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLAROID CORP
33 patentsUS4525413AJun 25, 1985
Optical device including birefringent polymer
POLAROID CORP299 citations99
US4521588AJun 4, 1985
Optical device including birefringent polyhydrazide polymer
POLAROID CORP236 citations99
US4520189AMay 28, 1985
Optical device including birefringent aromatic amino carboxylic acid polymer
POLAROID CORP251 citations99
US4446305AMay 1, 1984
Optical device including birefringent polymer
POLAROID CORP446 citations99
US5132430AJul 21, 1992
High refractive index polymers
POLAROID CORP52 citations96
US4640482AFeb 3, 1987
Foldable tripod
POLAROID CORP61 citations96
US4514048AApr 30, 1985
Variable focus elastomeric lens system
POLAROID CORP86 citations96
US4444471AApr 24, 1984
Variable focus lens system employing elastomeric lens
POLAROID CORP168 citations94
US4461886AJul 24, 1984
Substituted birefringent polyamide
POLAROID CORP35 citations92
US4433132AFeb 21, 1984
Polyesters containing bis(trifluoromethyl)biphenylene radicals
POLAROID CORP31 citations92
US4384107AMay 17, 1983
Polyamide comprising substituted biphenylene or substituted stilbene radicals
POLAROID CORP37 citations92
US4098783AJul 4, 1978
Dye substituted cyclic 1,3-sulfur-nitrogen compounds as dye image-forming materials in photography
POLAROID CORP44 citations89
US4269916AMay 26, 1981
Photographic prints utilizing lamellar pigment materials
POLAROID CORP26 citations82
US4046457ASep 6, 1977
Polymeric film base carrying fluoropolymer anti-reflection coating
POLAROID CORP20 citations82
US4040830AAug 9, 1977
Photographic products comprising embossed supports
POLAROID CORP25 citations82
US4468448AAug 28, 1984
Photographic products and processes
POLAROID CORP15 citations74
US4288524ASep 8, 1981
Image-receiving elements utilizing lamellar pigment materials
POLAROID CORP15 citations73
US4216018AAug 5, 1980
Photographic products and processes employing lamellar pigments
POLAROID CORP14 citations73
US4264701AApr 28, 1981
Magenta dye developers
POLAROID CORP13 citations72
US4060417ANov 29, 1977
Diffusion transfer elements comprising color-providing compounds capable of cleavage upon reaction with silver ions and silver ion barrier layers
POLAROID CORP14 citations70
US4843141AJun 27, 1989
Melt-processable aromatic polyesteramide having repeating 2,2'-substituted biphenylene radicals
POLAROID CORP2 citations63
US4792597ADec 20, 1988
Melt-processable polyesteramides having para-linked, substituted-phenylene radicals
POLAROID CORP4 citations63
US4575547AMar 11, 1986
Low-melting aromatic polyesters of trifluoromethyl terephthalic acid or ester forming derivatives thereof
POLAROID CORP3 citations63
US4138254AFeb 6, 1979
Photographic products comprising anti-light piping dyes
POLAROID CORP2 citations63
US4088487AMay 9, 1978
Diffusion transfer integral film units with flare reducing layers
POLAROID CORP4 citations63
US4461887AJul 24, 1984
Birefringent polymer containing recurring units from dienoic acid
POLAROID CORP3 citations62
US4461888AJul 24, 1984
Substituted birefringent polyhydrazide
POLAROID CORP4 citations62
US4393196AJul 12, 1983
Polymers containing recurring units from dienoic acid
POLAROID CORP4 citations62
US4057425ANov 8, 1977
2-Substituted benzimidazoles in multicolor diffusion transfer
POLAROID CORP2 citations62
US4386216AMay 31, 1983
Magenta dye developers
POLAROID CORP5 citations61
US4597891AJul 1, 1986
Liquid crystal compositions and devices and novel compounds
POLAROID CORP4 citations56
US4418139ANov 29, 1983
Film units containing thermally induced water-releasing benzotriazole complex
POLAROID CORP1 citations48
US4359397ANov 16, 1982
Benzotriazole complexes and film units employing same
POLAROID CORP0 citations48