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KALVAR CORP

Overview
  • Total Patents
    97
About

KALVAR CORP has a total of 97 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets optics, machines and macromolecular chemistry and polymers are KRAYN ROBERT, GASPAR BELA and HERMAN CHRISTENSEN JENS.

Patent filings in countries

World map showing KALVAR CORPs patent filings in countries
# Country Total Patents
#1 United States 31
#2 Canada 22
#3 Germany 15
#4 United Kingdom 14
#5 France 11
#6 Japan 3
#7 Switzerland 1

Patent filings per year

Chart showing KALVAR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Notley Norman T 16
#2 Senentz Irwin M Jr 12
#3 Williamson Donald E 4
#4 Baril Jr Albert 4
#5 Nieset Robert T 4
#6 Oster Gisela K 3
#7 Baril Albert Jr 3
#8 Mokler Brian V 3
#9 Notley Norman Thomas 3
#10 Parker Rienzi B 3

Latest patents

Publication Filing date Title
CA1080535A Producing a direct image in doubly exposed vesicular photographic material by pretreatment with an aqueous fluid
JPS5120819A Burendoshita jugosei matoritsukusuofukumu kankohatsuho baitai
DE2438157A1 Light-sensitive vesicular material with mixed polymer matrix - of poly-meth-acrylonitrile and vinyl, epoxide and/or polyurethane polymer
GB1483641A Light-sensitive vesicular mediums
CA1059814A Resin blends containing polymethacrylonitrile for improved vesicular systems
DE2429463A1 Microfiche copying appts - has multiple processing sections and internal transportation systems
CA984967A Color information on black and white film
CA997468A Color information on black and white film
CH548046A Copolymer carrier in vesicular recording - material
CA944603A Vesicular films containing polymethacrylonitrile vehicle
US3552961A Photographic vesicular materials and imaging process therefor
US3552963A Photographic vesicular materials and imaging process therefor
US3552965A Photographic vesicular materials and imaging process therefor
US3552962A Photographic vesicular materials and imaging process therefor
US3552964A Photographic vesicular materials and imaging process therefor
US3498786A Vesicular materials and methods of use
US3485631A Vesicular photographic materials
US3561337A Sheet material for manufacture of transparencies
US3513010A Conversion foil
GB1103975A Improved pressure-sensitive films and method of making same