"was associated for" is a perfectly grammatical part of a sentence in written English.
You could use it in a sentence such as: "He was associated for many years with the charitable organization."
He was associated for many years with Palm Bay Imports, a well known U.S. wine and spirits importer.
He was associated for several years with the Penn Mutual Life Insurance Company before resigning as financial secretary in 1959.
After two years at BBC Plymouth, she joined Nationwide, the programme with which she was associated for more than a decade.
Tobacco was associated for him with his grandfather, with a kind of ritualized cyclical time order, where the cycle of the seasons was marked by tobacco farming.
He made other pictures for a studio with which he was associated for 20 years, before getting out in the late 70s to avoid typecasting.
Jim was Senior Vice President for Public Relations - European Union for Mutual of America Life Insurance Company with whom he was associated for 22 years.
His death was announced by the University of Illinois at Chicago, with which Dr. Remini had been associated for nearly five decades.
Indeed, there were real concerns that Arshavin could be denied a transfer from the club with whom he has been associated for 20 years even on Monday.
"The army has neither the will nor the desire to take on the Taliban and extremists with whom they have been associated for the past three decades," he said.
He has been associated for many years with the Society for Archaeological Sciences, currently as the General Secretary.
He has also been associated for many years with the Australian National University and the University of Technology, Sydney.
